Unio manca Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 80, sp. 43.
Type(s): LECTOTYPE MNHN_MPL_0033, Bourgogne dans le Dree.

Unio manca — Lamarck (1819)
Unio crassus — Menke (1828), Menke (1830)
Unio pictorum — Lea (1829), Lea (1834), Hanley (1843)
Margarita (Unio) pictorum — Lea (1836), Lea (1838)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Batavi) mancus — Dupuy (1852)
Unio (Lymnium) batavus var. F mancus — Moquin-Tandon (1855)
Unio batavus var. mancus — de Joannis (1859)
Unio (Groupe de l’U. mancus) mancus — Locard (1882), Locard (1893)
Unio (Mancusiana) mancus — Locard (1889), Germain (1904)
Unio (sec. Hyridella) batavus vr. mancus — Paetel (1890)
Unio mancus — Westerlund (1890), Kobelt & Haas (1910), Germain (1931), Nagel et al. (1998), ..., Wu et al. (2023), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio (Groupe des Mancusiana) mancus — Caziot (1907)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio (s.s.) mancus — Falkner (1994)
Unio pictorum mancus — Nagel (2000), Nagel & Badino (2001)
Unio (s.s.) mancus mancus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus mancus — Prie (2012), Prie et al. (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019)

Unio turtonii Payraudeau, 1826
Payraudeau, 1826, Cat. Méthod. Descr. Annélides Mollusques Corse: 65, pl. 2, figs. 2-3.

Unio turtonii — Payraudeau (1826), Rossmässler (1838)
Unio turtoni — Menke (1830), Drouët (1889), Westerlund (1890), Germain (1931), IUCN (1996)
Margarita (Unio) pictorum — Lea (1836), Lea (1838)
Unio pictorum — Hanley (1843), Reeve (1865)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Rostrati) turtonii — Dupuy (1852)
Unio (Lymnium) requienii var. G turtonii — Moquin-Tandon (1855)
Unio requienii var. turtonii — de Joannis (1859)
Unio siculus — Sowerby (1868)
Unio (Groupe de l’U. pornæ) turtoni — Locard (1882)
Unio (Turtoniana) turtoni — Locard (1889)
Unio (Groupe de l’U. turtoni) turtoni — Locard (1893)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio turtonii turtonii — Haas (1924)
Unio elongatulus turtoni — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus turtonii — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus turtonii — Prie (2012), Prie et al. (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Lyubas et al. (2022)
Unio mancus — Araujo et al. (2018)

Unio requienii Michaud, 1831
Michaud, 1831, Compl. Hist. Nat. Moll., Draparnaud: 106, pl. 16, fig. 24.

Unio requienii — Michaud (1831), Rossmässler (1836), Rossmässler (1844), C.B. Adams (1847), Gassies (1849), Küster (1855), de Joannis (1859), Gredler (1859), Westerlund (1890)
Unio réquéni — Jay (1835)
Margarita (Unio) pictorum — Lea (1836), Lea (1838)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Rostrati) requienii — Dupuy (1852)
Unio limosus — Küster (1853)
Unio (Lymnium) requienii — Moquin-Tandon (1855)
Unio (Limnium) requienii — Stabile (1859)
Unio pictorum — Reeve (1865)
Unio elongatulus — Sowerby (1868)
Unio requienii var. — Kobelt (1876)
Unio requieni var. — Kobelt (1879)
Unio (Groupe de l’U. falsus) requieni — Locard (1882)
Unio requieni — Drouët (1889), Germain (1931)
Unio (Requieniana) requieni — Locard (1889), Germain (1904)
Unio (Groupe de l’U. requieni) requieni — Locard (1893)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio (Groupe des Requieniana) requieni — Caziot (1907)
Unio elongatulus requienii — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus requienii — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus requienii — Prie (2012), Prie et al. (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Lyubas et al. (2022)
Unio mancus — Araujo et al. (2018)

Unio gargottae Philippi, 1836
Philippi, 1836, Enum. Moll. Siciliae 1: 66.

Unio gargottae — Philippi (1836), Rossmässler (1838), Benoit (1875)
Margaron (Unio) elongatus — Lea (1852)
Margaron (Unio) elongatulus — Lea (1870)
Unio gargottæ — Drouët (1881), Bourguignat (1883), Westerlund (1890)
Unio (Groupe de l’U. renei) gargottæ — Locard (1882)
Unio (Jacqueminiana) gargottæ — Locard (1889)
Margaritana crassa — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus gargottae — Lopes-Lima et al. (2017)
Unio mancus — Araujo et al. (2018)

Unio moquinianus Dupuy, 1843
Dupuy, 1843, Essai Moll. Terr. Fluv. du Gers: 80, text figs. 1-2. [in part]
Dupuy, 1852, Hist. Natur. Moll. France (6): 644, pl. 26, fig. 18.
(renamed Unio consentaneus var. moquini Germain, 1931)
Type(s): SYNTYPES UMMZ_113537,  l’Echez a Bigen, Bigorre, France.

Unio moquinianus — Dupuy (1843), Rossmässler (1844), Küster (1854), Drouët (1889), Westerlund (1890)
Margaron (Unio) batavus — Lea (1852), Lea (1870)
Unio (Batavi) moquinianus — Dupuy (1852)
Unio (Lymnium) moquinianus — Moquin-Tandon (1855)
Unio (Groupe de l’U. moquinianus) moquinianus — Locard (1882)
Unio (Moquiniana) moquinianus — Locard (1889), Fagot (1892)
Unio brevierei — Westerlund (1890)
Unio (Groupe de l’U. ater) moquinianus — Locard (1893)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio consentaneus var. moquini — Germain (1931)
Unio elongatulus moquinianus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus moquinianus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus — Araujo et al. (2009), Araujo et al. (2018)
Unio mancus moquinianus — Prie (2012), Prié & Puillandre (2014)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio aleronii Companyo & Massot, 1845
Companyo & Massot, 1845, Bull. Soc. Agricult. Sci. Lettr. Pyrén.-Orient. 6: 234, text fig. 2.

Unio aleronii — Companyo & Massot (1845)
Unio (Lymnium) requienii var. D aleronii — Moquin-Tandon (1855)
Unio pictorum — Reeve (1865)
Unio aleroni — Kobelt (1876), Drouët (1889), Paetel (1890), Westerlund (1890)
Unio (Groupe de l’U. saint-simonianus) aleroni — Locard (1882)
Unio (Turtoniana) aleroni — Locard (1889), Fagot (1892)
Unio (Groupe de l’U. turtoni) alleroni — Locard (1893)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio turtoni var. aleroni — Germain (1931)
Unio elongatulus aleroni — Haas (1940), Haas (1969)
Unio (s.s.) mancus aleronii — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus — Araujo et al. (2009), Araujo et al. (2018)
Unio mancus aleronii — Prie (2012)
Unio mancus var. aleronii — Prié & Puillandre (2014)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio bourgeticus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 291, 359.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 130 [24].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 156.
Type(s): POSSIBLE SYNTYPES MNHN_22139, lac du Bourget (Savoie).

Unio bourgeticus — Locard (1882)
Unio (Groupe de l’U. mancus) bourgeticus — Locard (1882), Locard (1893)
Unio (Mancusiana) bourgeticus — Locard (1889)
Unio mancus var. bourgeticus — Westerlund (1890)
Unio mancus bourgeticus — Kobelt & Haas (1910), Prie (2012), Prié & Puillandre (2014)
Unio mancus — Germain (1931)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus bourgeticus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus mancus — Lopes-Lima et al. (2017)
Unio pictorum — Araujo et al. (2018)

Unio rousii Dupuy, 1849
Dupuy, 1849, Cat. Extramar. Galliae Test.: no. 340.
Dupuy, 1852, Hist. Natur. Moll. France (6): 653, pl. 28, fig. 18.

Unio rousii — Dupuy (1849)
Unio (Rostrati) requienii form ronsii — Dupuy (1852)
Unio (Lymnium) requienii var. C rousii — Moquin-Tandon (1855)
Unio pictorum — Reeve (1865), Araujo et al. (2018)
Margaron (Unio) pictorum — Lea (1870)
Unio (Groupe de l’U. rousi) rousi — Locard (1882)
Unio rousi — Drouët (1889), Westerlund (1890)
Unio (Courquiniana) rousi — Locard (1889)
Unio (Groupe de l’U. tumens) rousi — Locard (1893)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio requieni var. rousi — Germain (1931)
Unio elongatulus rousii — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio lawleyianus Gentiluomo, 1868
Gentiluomo, 1868, Boll. Malac. Ital. 1: 54, pl. 4, figs. 1-3.

Unio lawleyianus — Gentiluomo (1868), Drouët (1883), Bourguignat (1883), Westerlund (1890)
Unio requienii var. lawleyanus — Kobelt (1884)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969), Fauna Europaea (2012)
Unio mancus — Araujo et al. (2005), IUCN (2014), Araujo et al. (2018)
Unio cf. elongatulus — Lopes-Lima et al. (2017)

Unio moreleti var. brindosiana Folin & Bérillon, 1874
Folin & Bérillon, 1874, Bull. Soc. Bayonne: 95.
(intro'd as intra-sp. of Unio moreleti Folin & Bérillon, 1874)

Unio moreleti var. brindosiana — Folin & Bérillon (1874)
Unio (Groupe de l’U. saint-simonianus) brindosianus — Locard (1882)
Unio (Villæana) brindosianus — Servain (1888)
Unio (Turtoniana) brindosianus — Locard (1889), Fagot (1892)
Unio brindosianus — Westerlund (1890)
Unio (Groupe de l’U. amblyus) brindosianus — Locard (1893)
Unio (groupe de l’U. turtoni) brindosianus — Locard (1899)
Unio villae var. brindosianus — Germain (1931)
Unio pictorum platyrhynchoideus — Haas (1940), Haas (1969)
Unio (s.s.) mancus brindosianus — Falkner et al. (2001), Falkner et al. (2002)
Unio mancus brindosianus — Prie (2012)
Unio pictorum — Prié & Puillandre (2014)
Unio mancus mancus — Lopes-Lima et al. (2017)

Unio valentinus Rossmässler, 1854
Rossmässler, 1854, Icon. Land- und Süssw.-Moll. 3 (1-2): 37, pl. 69, fig. 852.

Unio valentinus — Rossmässler (1854), Westerlund (1890)
Margaron (Unio) valentinus — Lea (1870)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio turtonii valentinus — Haas (1924)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2005), Araujo et al. (2009), Fauna Europaea (2012), Araujo et al. (2018)
Unio mancus mancus — Prie (2012), Lopes-Lima et al. (2017)

Unio pictorum Draparnaud, 1806
Draparnaud, 1806, Hist. Moll. France: 131, pl. 11, figs. 4 [var. c]. [in part]
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio pictorum — Draparnaud (1806), Nilsson (1822), Deshayes (1832), Rossmässler (1835), Dupuy (1843), Hanley (1843), Malzine (1867)
Margarita (Unio) pictorum — Lea (1838)
Unio requienii — Gassies (1849)
Unio occidaneus — Drouët (1889)
Unio (Requieniana) salmurensis — Locard (1889), Germain (1904)
Unio vinceleus — Westerlund (1890)
Unio requieni — Germain (1931)

Unio pictorum Draparnaud, 1806
‘Linn.’ Draparnaud, 1806, Hist. Moll. France: 131, pl. 11, figs. 1-2. [in part]
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio pictorum — Draparnaud (1806), Deshayes (1832), Dupuy (1843)
Unio inflatus — Studer (1820)
Margarita (Unio) pictorum — Lea (1838)
Unio requienii — Gassies (1849)
Unio (Rostrati) requienii — Dupuy (1852)
Unio (Lymnium) requienii — Moquin-Tandon (1855)
Unio (Requieniana) hydrelus — Locard (1889)
Unio requieni — Germain (1931)

Unio pictorum Guérin-Méneville, 1823
‘Linnaeus’ of Authors.
Guérin-Méneville, 1823, Icon. Règne Animal Cuvier 2: pl. 28, fig. 16.
Reeve, 1865, Conch. Icon. 16: pl. 25, sp. 123.
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio pictorum — Guérin-Méneville (1823)
Margaron (Unio) pictorum — Lea (1870)
Unio aradasi var. bivonianus — Westerlund (1890)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)

Unio capigliolo Payraudeau, 1826
Payraudeau, 1826, Cat. Méthod. Descr. Annélides Mollusques Corse: 66, pl. 2, fig. 4.

Unio capigliolo — Payraudeau (1826), Rossmässler (1844), Küster (1855), Sowerby (1868), Paetel (1890), Westerlund (1890), Germain (1931)
Margarita (Unio) pictorum — Lea (1836), Lea (1838)
Unio pictorum — Hanley (1843)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Batavi) capigliolo — Dupuy (1852)
Unio (Lymnium) capigliolo — Moquin-Tandon (1855)
Unio (Moquiniana) capigliolo — Locard (1889)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus turtoni — Haas (1940), Haas (1969)
Unio mancus turtonii — Prie (2012)

Unio emarginatus Lea, 1834
Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 62 [174], pl. 9, fig. 22.
Type(s): HOLOTYPE USNM_86159, [no locality available - Europe].

Unio emarginatus — Lea (1834), Hanley (1843), Sowerby (1868), de Gregorio (1914)
Margarita (Unio) emarginatus — Lea (1838)
Margaron (Unio) emarginatus — Lea (1852), Lea (1870)
Unio (Bariosta) emarginatus — Adams & Adams (1857)
Unio (sec. Lymnium) emarginatus — Simpson (1900), Simpson (1914)
Unio (Nephronaias) aztecorum — Martens (1900)
Unio elongatulus durieui — Haas (1940), Haas (1969)

Unio arcuata Jacquemin, 1835
Jacquemin, 1835, Guide Ror. Arles: 123.
(reference to Unio arcuata Bouchard-Chantereaux, 1838)

Unio arcuata — Jacquemin (1835)
Unio (Batavi) jacqueminii — Dupuy (1852)
Unio (Lymnium) batavus var. K arcuatus — Moquin-Tandon (1855)
Unio batavus var. arcuatus — de Joannis (1859)
Unio jacquemini — Kobelt (1879), Drouët (1889), Westerlund (1890)
Unio (Groupe de l’U. renei) jacquemini — Locard (1882)
Unio (Jacqueminiana) jacquemini — Locard (1889)
Unio (sec. Hyridella) batavus vr. arcuata — Paetel (1890)
Unio consentaneus var. jacquemini — Germain (1931)

Unio requeni Jay, 1835
Jay, 1835, Cat. Rec. Shells: 16 [as ‘réquéni’].
(error for Unio requienii Michaud, 1831)

Unio requeni — Jay (1835)

Unio lobata Philippi, 1836
Cristofori & Jan, 1830, Cat. Rer. Nat. Mus. 2: 7. [nomen nudum]
Philippi, 1836, Enum. Moll. Siciliae 1: 67.

Unio lobata — Philippi (1836)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio aradasi — Bourguignat (1883), Westerlund (1890)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio turtoni Philippi, 1836
Philippi, 1836, Enum. Moll. Siciliae 1: 67.
Philippi, 1844, Enum. Moll. Siciliae 2: 49.
(reference to Unio turtonii Payraudeau, 1826)

Unio turtoni — Philippi (1836)
Unio bivonianus — Bourguignat (1883)
Unio (Gallicusiana) gallicus — Locard (1889)
Unio aradasi var. bivonianus — Westerlund (1890)
Unio requieni — Germain (1931)

Unio bandini Küster, 1837
Küster, 1837, Icones Moll. Test. 5-6: 22, pl. 24, fig. 341.
(reference to Unio bandinii Rossmässler, 1837)

Unio bandini — Küster (1837)
Unio capigliolo vr. bandini — Paetel (1890)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio elongatulus turtoni — Haas (1940)

Unio bandinii Rossmässler, 1837
‘Küster’ Rossmässler, 1837, Icon. Land- und Süssw.-Moll. 1 (5-6): 22, pl. 24, fig. 341.

Unio bandinii — Rossmässler (1837)
Unio capigliolo — Rossmässler (1844), Küster (1855)
Margaron (Unio) batavus — Lea (1852), Lea (1870)
Unio (Batavi) capigliolo — Dupuy (1852)
Unio (Lymnium) capigliolo — Moquin-Tandon (1855)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus turtoni — Haas (1969), Fauna Europaea (2012)
Unio mancus turtonii — Prie (2012)

Unio subdentatus Rossmässler, 1837
‘Ziegl.’ Rossmässler, 1837, Icon. Land- und Süssw.-Moll. 1 (5-6): 22.
(intro'd as syn of Unio bandinii Rossmässler, 1837)

Unio subdentatus — Rossmässler (1837)
Unio bandinii — Rossmässler (1837)
Margaron (Unio) batavus — Lea (1870)

Unio arcuata Bouchard-Chantereaux, 1838
Bouchard-Chantereaux, 1838, Cat. Moll. Terr. Fluv. Départ. Pas-de-Calais: 91, pl. 1, fig. 1-2.
(renamed Unio bouchardi Locard, 1889)

Unio arcuata — Bouchard-Chantereaux (1838)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Rostrati) pictorum — Dupuy (1852)
Unio (Lymnium) tumidus var. C arcuatus — Moquin-Tandon (1855)
Unio (Ateriana) bouchardi — Locard (1889)
Unio arcuatus — Westerlund (1890)
Margaritana auricularia — Germain (1931)
Unio consentaneus var. moquini — Germain (1931)
Unio crassus batavus — Haas (1940), Haas (1969)
Unio mancus moquinianus — Prie (2012)

Unio ardusianus Reyniès, 1843
Reyniès, 1843, Lettre à Moquin-Tandon: 5, pl. 1, fig. 7-8.
Dupuy, 1852, Hist. Natur. Moll. France (6): 653, pl. 28, fig. 17.

Unio ardusianus — Reyniès (1843), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Rostrati) requienii form ardusianus — Dupuy (1852)
Unio (Lymnium) requienii var. F ardusianus — Moquin-Tandon (1855)
Unio pictorum — Reeve (1865)
Unio (Groupe de l’U. ardusianus) ardusianus — Locard (1882)
Unio (Holandriana) ardusianus — Locard (1889)
Unio (s.s.) ardusianus — Paetel (1890)
Unio (Groupe de l’U. tumens) ardusianus — Locard (1893)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio consentaneus var. ardusianus — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio moquinianus Dupuy, 1843
Dupuy, 1843, Essai Moll. Terr. Fluv. du Gers: fig. 3. [in part]
(reference to Unio moquinianus Dupuy, 1843)

Unio moquinianus — Dupuy (1843)
Unio (Batavi) moquinianus — Dupuy (1852)
Unio (Moquiniana) antimoquinianus — Locard (1889)

Unio aradae Philippi, 1844
Philippi, 1844, Enum. Moll. Siciliae 3: 49.

Unio aradae — Philippi (1844), Küster (1854), Benoit (1875), Kobelt (1876), Paetel (1890), Kobelt (1912)
Margaron (Unio) elongatus — Lea (1852)
Margaron (Unio) elongatulus — Lea (1870)
Unio aradæ — Drouët (1881)
Unio aradasi — Bourguignat (1883), Westerlund (1890)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio turtoni Rossmässler, 1844
Rossmässler, 1844, Icon. Land- und Süssw.-Moll. 2 (6): 25, pl. 35, fig. 492.
(reference to Unio turtonii Payraudeau, 1826)

Unio turtoni — Rossmässler (1844)
Unio capigliolo — Rossmässler (1844), Küster (1855)
Unio (Batavi) capigliolo — Dupuy (1852)

Unio longirostris Stabile, 1845
Stabile, 1845, Faun. Lug.: 60, fig. 72.
(misidentified reference to Unio longirostris Rossmässler, 1836)

Unio longirostris — Stabile (1845)
Unio (Limnium) requienii var. vulgaris — Stabile (1859)
Unio vulgaris — Bourguignat (1883)

Unio requieni Stabile, 1845
Stabile, 1845, Faun. Lug.: 62, fig. 76.
(reference to Unio requienii Michaud, 1831)

Unio requieni — Stabile (1845), Germain (1931)
Unio meretrix — Bourguignat (1883)
Unio (Meretricisiana) meretricis — Locard (1889)

Unio tumidus Stabile, 1845
Stabile, 1845, Faun. Lug.: 61, fig. 74.
(misidentified reference to Unio tumidus Retzius, 1788)

Unio tumidus — Stabile (1845)
Unio (Limnium) requienii var. oriliensis — Stabile (1859)
Unio oriliensis — Bourguignat (1883)

Unio jacqueminii Dupuy, 1849
Dupuy, 1849, Cat. Extramar. Galliae Test.: no. 328.
Dupuy, 1852, Hist. Natur. Moll. France (6): 643, pl. 25, fig. 17.

Unio jacqueminii — Dupuy (1849)
Unio (Batavi) jacqueminii — Dupuy (1852)
Unio (Lymnium) batavus var. K arcuatus — Moquin-Tandon (1855)
Unio jacquemini — Kobelt (1879), Drouët (1889), Westerlund (1890)
Unio (Groupe de l’U. renei) jacquemini — Locard (1882)
Unio (Jacqueminiana) jacquemini — Locard (1889)
Unio (Groupe de l’U. platyrhynchoideus) jacquemini — Locard (1893)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio consentaneus var. jacquemini — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio turtoni Dupuy, 1850
Dupuy, 1850, Hist. Natur. Moll. France (4): pl. 27, fig. 17.
(reference to Unio turtonii Payraudeau, 1826)

Unio turtoni — Dupuy (1850), Germain (1931)
Unio (Berenguieriana) berenguieri — Locard (1889)
Unio berenguieri — Westerlund (1890)

Unio lobatata Lea, 1852
‘De Cr. and J.’ Lea, 1852, Synopsis Fam. Naiades: 37.
‘De Cr. and J.’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio lobata Philippi, 1836)

Unio lobatata — Lea (1852)

Unio turtoni Drouët, 1852
Drouët, 1852, Etudes Nayades de la France: pl. 6, fig. 1.
(reference to Unio turtonii Payraudeau, 1826)

Unio turtoni — Drouët (1852)
Unio plebeius — Drouët (1889)
Unio (Holandriana) ardusianus — Locard (1889)
Unio consentaneus var. ardusianus — Germain (1931)

Unio ronsii Dupuy, 1852
Dupuy, 1852, Hist. Natur. Moll. France (6): 653.
‘Dup.’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio rousii Dupuy, 1849)

Unio ronsii — Dupuy (1852)
Unio requieni var. rousi — Germain (1931)

Unio moquinianus var. oblongus Moquin-Tandon, 1855
Moquin-Tandon, 1855, Hist. Natur. Moll. France 2: 573.
(intro'd as intra-sp. of Unio moquinianus Dupuy, 1843)

Unio moquinianus var. oblongus — Moquin-Tandon (1855)
Unio (Lymnium) moquinianus var. C oblongus — Moquin-Tandon (1855)

Unio moquinianus var. subtriangularis Moquin-Tandon, 1855
‘Dup.!, fig. 2’ Moquin-Tandon, 1855, Hist. Natur. Moll. France 2: 573.
(intro'd as intra-sp. of Unio moquinianus Dupuy, 1843)

Unio moquinianus var. subtriangularis — Moquin-Tandon (1855)
Unio (Lymnium) moquinianus var. B subtriangularis — Moquin-Tandon (1855)
Unio moquinianus — Westerlund (1890)

Unio siculus Hanley, 1856
‘Swainson’ Hanley, 1856, Cat. Rec. Bivalve Shells, Suppl.: 383, pl. 20, fig. 19.
(misidentified reference to Potomida sicula Swainson, 1840)

Unio siculus — Hanley (1856)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus gargottae — Haas (1969)

Unio requienii var. minima Drouët, 1857
Drouët, 1857, Étud. Naïades. France, Unio: 97, pl. 7, fig. 2.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. minima — Drouët (1857)
Unio (Groupe de l’U. falsus) fascellinus — Locard (1882)
Unio jacquemini — Drouët (1889)
Unio (Mucidusiana) talus — Locard (1889)
Unio talus — Westerlund (1890), Baichère (1890)
Unio requieni — Germain (1931)

Unio pictorum var. compressus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 295, pl. 12, fig. 7.
(intro'd as intra-sp. of Mya pictorum Linnaeus, 1758; homonym of Unio compressus Sowerby, 1829; renamed Unio joannisi Locard, 1882)

Unio pictorum var. compressus — de Joannis (1859)
Unio (Groupe de l’U. Gallicus) joannisi — Locard (1882)
Unio (Joannisiana) joannisi — Locard (1889), Germain (1904)
Unio requieni — Germain (1931)

Unio requieni var. minima l’Hôpital, 1859
‘Drouët’ l’Hôpital, 1859, Cat. moll. Caen: 61.
(reference to Unio requienii var. minima Drouët, 1857)

Unio requieni var. minima — l’Hôpital (1859)
Unio (Brebissoniana) hopitali — Locard (1889)
Unio villae — Germain (1931)

Unio requienii var. abbreviatus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 290, pl. 11, fig. 7.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. abbreviatus — de Joannis (1859)

Unio requienii var. calami de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 11, fig. 3.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. calami — de Joannis (1859)

Unio requienii var. cuneatus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 10, fig. 7.
(homonym of Unio cuneatus Barnes, 1823; intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. cuneatus — de Joannis (1859)

Unio requienii var. cuneolus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 292, pl. 11, fig. 5.
(intro'd as intra-sp. of Unio requienii Michaud, 1831; homonym of Unio cuneolus Lea, 1840)

Unio requienii var. cuneolus — de Joannis (1859)

Unio requienii var. rhyncoideus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 290, pl. 11, fig. 1.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. rhyncoideus — de Joannis (1859)

Unio requienii var. rostratus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 291, pl. 10, fig. 6.
(homonym of Unio rostrata Lamarck, 1819)

Unio requienii var. rostratus — de Joannis (1859)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio amnicus var. sabaudina Bourguignat, 1864
Bourguignat, 1864, Malac. Aix-les-Baines: pl. 3, figs. 9-11.

Unio amnicus var. sabaudina — Bourguignat (1864)
Unio (Groupe de l’U. mancus) mancus — Locard (1882)
Unio (Mancusiana) mancus var. b. sabaudina — Locard (1889)
Unio mancus — Westerlund (1890), Kobelt & Haas (1910)

Unio courquinianus Bourguignat, 1865
Bourguignat, 1865, Moll. Nouv. Litig. Peu Connus: 149, pl. 26.

Unio courquinianus — Bourguignat (1865), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1870)
Unio (Courquiniana) courquinianus — Locard (1889)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio graellsianus Bourguignat, 1865
Bourguignat, 1865, Moll. Nouv. Litig. Peu Connus: 147, pl. 23, figs. 4-7.

Unio graellsianus — Bourguignat (1865)
Margaron (Unio) pictorum — Lea (1870)
Unio grællsianus — Westerlund (1890)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009), Fauna Europaea (2012)
Unio mancus mancus — Prie (2012)

Unio requienii crassulus Drouët, 1867
Drouët, 1867, Moll. Terr. Fluv. Code-d’Or: 102.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii crassulus — Drouët (1867)

Unio siculus Sowerby, 1868
‘Swainson’ Sowerby, 1868, Conch. Icon. 16: pl. 71, sp. 364.
(misidentified reference to Potomida sicula Swainson, 1840)

Unio siculus — Sowerby (1868)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)

Unio larderelianus Pecchioli, 1869
Pecchioli, 1869, Boll. Malac. Ital. 2: 163, pl. 5.

Unio larderelianus — Pecchioli (1869), Drouët (1883), Westerlund (1890)
Unio laderelianus — Bourguignat (1883)
Unio requienii var. larderelianus — Kobelt (1884)
Unio (Jacqueminiana) larderelianus — Locard (1889)
Unio (sec. Lymnium) platyrinchoideus — Simpson (1900), Simpson (1914)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio moreleti Folin & Bérillon, 1874
Folin & Bérillon, 1874, Bull. Soc. Bayonne: 95.
(homonym of Unio moreleti Deshayes, 1847; renamed Unio moreletianus Folin & Bérillon, 1877)

Unio moreleti — Folin & Bérillon (1874)
Unio (Groupe de l’U. villæ) bayonnensis — Locard (1882)
Unio bayonnensis — Kobelt (1886), Westerlund (1890)
Unio (Turtoniana) bayonnensis — Locard (1889)
Unio (Turtoniana) bayonensis — Fagot (1892)
Unio villae var. brindosianus — Germain (1931)
Unio pictorum platyrhynchoideus — Haas (1940), Haas (1969)
Unio mancus brindosianus — Prie (2012)

Unio pictorum Benoit, 1875
‘Lamarck’ Benoit, 1875, Boll. Soc. Malac. Ital. 1: 163.
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio pictorum — Benoit (1875)
Unio bivonianus — Bourguignat (1883)

Unio aradasii Kobelt, 1876
Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: pl. 117, fig. 1147. [in part]
(error for Unio aradae Philippi, 1844; reference to Unio aradae Philippi, 1844)

Unio aradasii — Kobelt (1876)
Unio aradasi — Bourguignat (1883), Westerlund (1890)
Unio elongatulus gargottae — Haas (1940)

Unio aradasii Kobelt, 1876
Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: pl. 117, fig. 1146. [in part]
(error for Unio aradae Philippi, 1844; reference to Unio aradae Philippi, 1844)

Unio aradasii — Kobelt (1876)
Unio bivonianus — Bourguignat (1883)

Unio blauneri Kobelt, 1876
‘Shuttleworth’ Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: 63, pl. 118, 1149.
(misidentified reference to Unio requienii var. blauneri Stabile, 1859)

Unio blauneri — Kobelt (1876), Bourguignat (1883), Paetel (1890), Westerlund (1890)

Unio requieni Kobelt, 1876
Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: 63, pl. 117, fig. 1148.
(reference to Unio requienii Michaud, 1831)

Unio requieni — Kobelt (1876)
Unio pedemontanus — Bourguignat (1883)
Unio fluminalis — Drouët (1883)

Unio requieni var. romana Kobelt, 1876
Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: 61, pl. 116, fig. 1145 [as ‘Unio romanus’ on plate].
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requieni var. romana — Kobelt (1876)
Unio requieni var. var. romana — Kobelt (1876)
Unio romanus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)

Unio bayonnensis Folin & Bérillon, 1877
Folin & Bérillon, 1877, Bull. Trimest. Sci. Soc. Borda: 29, pl. 1, figs. 1, 3.

Unio bayonnensis — Folin & Bérillon (1877), Kobelt (1886), Paetel (1890), Westerlund (1890)
Unio bayonensis — Drouët (1879)
Unio (Groupe de l’U. villæ) bayonnensis — Locard (1882)
Unio (Villæana) bayonnensis — Servain (1888)
Unio (Turtoniana) bayonnensis — Locard (1889)
Unio (Turtoniana) bayonensis — Fagot (1892)
Unio (Groupe de l’U. amblyus) bayonnensis — Locard (1893)
Unio villae var. brindosianus — Germain (1931)
Unio pictorum platyrhynchoideus — Haas (1940), Haas (1969)
Unio mancus brindosianus — Prie (2012)

Unio moreletianus Folin & Bérillon, 1877
Folin & Bérillon, 1877, Bull. Trimest. Sci. Soc. Borda: 29.
(new name for Unio moreleti Folin & Bérillon, 1874)

Unio moreletianus — Folin & Bérillon (1877)
Unio (Groupe de l’U. villæ) bayonnensis — Locard (1882)
Unio bayonnensis — Kobelt (1886), Westerlund (1890)
Unio (Turtoniana) bayonnensis — Locard (1889)
Unio (Turtoniana) bayonensis — Fagot (1892)
Unio pictorum platyrhynchoideus — Haas (1940), Haas (1969)

Unio requienii var. permaxima Dupuy, 1877
Dupuy, 1877, J. de Conch. 25: 18, 22.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. permaxima — Dupuy (1877)
Unio (Groupe de l’U. rostratus) malafossianus — Locard (1882)
Unio tumidus var. maximus — Germain (1931)

Unio bayonensis Drouët, 1879
‘Folin & Bérillon’ Drouët, 1879, J. de Conch. 27: 332.
‘De Folin & Bérillon’ Fagot, 1892, Bull. Soc. Ramond 27: 38.
(error for Unio bayonnensis Folin & Bérillon, 1877)

Unio bayonensis — Drouët (1879)

Unio cumensis Kobelt, 1879
Kobelt, 1879, Icon. Land- und Süssw.-Moll. 7: 33, pl. 192, fig. 1952-1953.

Unio cumensis — Kobelt (1879)
Unio cumanus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio lusitanus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 327.

Unio lusitanus — Kobelt (1879), Drouët (1879)
Unio (Turtoniana) brindosianus — Locard (1889)
Unio brindosianus — Westerlund (1890)
Unio (groupe de l’U. turtoni) brindosianus — Locard (1899)
Unio villae var. brindosianus — Germain (1931)
Unio pictorum delphinus — Haas (1940), Haas (1969)
Unio delphinus — Araujo et al. (2009)
Unio mancus brindosianus — Prie (2012)

Unio cumanus Kobelt, 1881
Kobelt, 1881, Cat. Binnenconch.: 160.
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 31.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 159.
(error for Unio cumensis Kobelt, 1879)

Unio cumanus — Kobelt (1881)

Unio berenguieri Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 292, 361.
Bourguignat in Bérenguier, 1882, Faune malac. Var: 100.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 153 [47].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 182.
Type(s): SYNTYPES MNHN_22129, Canal des Moulins à Roquebrune (Var).

Unio berenguieri — Locard (1882), Bérenguier (1882), Westerlund (1890)
Unio (Groupe de l’U. Bereguieri) berenguieri — Locard (1882)
Unio (Berenguieriana) berenguieri — Locard (1889)
Unio (Groupe de l’U. turtoni) berenguieri — Locard (1893)
Unio (Berenguieriane) berenguieri — Caziot (1910)
Unio turtoni — Germain (1931)
Unio mancus turtonii — Prie (2012)

Unio condatinus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 287, 356.
‘Letourneux’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 158 [52].
‘Letourneux’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 189.
Type(s): IDIOTYPE MNHN_22180, La Marne, à Cholet (Maine-et-Loire).

Unio condatinus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. saint-simonianus) condatinus — Locard (1882)
Unio (Saint-Simoniana) condatinus — Locard (1889)
Unio (Groupe de l’U. gallicus) condatinus — Locard (1893)
Unio (Saint-simoniana) condatinus — Germain (1904)
Unio requieni — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio dolfusianus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 299, 366.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 167 [61; as ‘dollfusianus’].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 200, fig. 214.
Type(s): IDIOTYPE MNHN_22197, l’Oise à Creil.

Unio dolfusianus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. bardus) dolfusianus — Locard (1882)
Unio (Holandriana) dollfusianus — Locard (1889)
Unio (Groupe de l’U. danielis) dolfusianus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio fabaeformis Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 294, 362 [as ‘fabæformis’].
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 156 [50], 230 [124] [as ‘fabæformis’].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 188 [as ‘fabiformis’].
Type(s): POSSIBLE SYNTYPE MNHN_22208, La Rhône à Arles.

Unio fabaeformis — Locard (1882)
Unio (Groupe de l’U. renei) fabæformis — Locard (1882)
Unio (Jacqueminiana) fabæformis — Locard (1889)
Unio fabæformis — Westerlund (1890)
Unio (Groupe de l’U. platyrhynchoideus) fabiformis — Locard (1893)
Unio consentaneus var. jacquemini — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio fascellinus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 295, 364.
‘Servain’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 162 [56].
‘Servain’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 196.
Type(s): SYNTYPE MNHN_22213, l’Étang de Veaux (Nièvre).

Unio fascellinus — Locard (1882), Baichère (1890)
Unio (Groupe de l’U. falsus) fascellinus — Locard (1882)
Unio (Falsusiana) fascellinus — Locard (1889)
Unio falsus var. fascellinus — Westerlund (1890)
Unio (Groupe de l’U. gestroianus) fascellinus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio foroguliensis Locard, 1882
‘Bérenguier’ of Authors.
Locard, 1882, Prodr. Malac. Franç. 1: 293.
Haas, 1969, Das Tierreich 88: 37.
Prie, 2012, MalaCo 8: 431.
(incorrect original spelling of Unio forojuliensis Locard, 1882)
Type(s): AUTOMATIC MNHN_22223, Fréjus (Var).

Unio foroguliensis — Locard (1882)
Unio forojuliensis — Bérenguier (1882)

Unio forojuliensis Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 293, 361 [as ‘foroguliensis’].
Bérenguier, 1882, Faune malac. Var: 95.
‘Bérenguier’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 150 [44].
‘Bérenguier’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 181.
(correct name for Unio foroguliensis Locard, 1882)
Type(s): LECTOTYPE MNHN_22223, Fréjus (Var).

Unio forojuliensis — Locard (1882), Bérenguier (1882), Westerlund (1890)
Unio (Groupe de l’U. foroguliensis) foroguliensis — Locard (1882)
Unio (Turtoniana) forojuliensis — Locard (1889), Caziot (1910)
Unio (Groupe de l’U. turtoni) forojuliensis — Locard (1893)
Unio turtoni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus turtonii — Prie (2012)

Unio gallicus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 296, 365.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 154 [48].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 189, fig. 203.
Type(s): POSSIBLE SYNTYPES MNHN_22231, Le lac du Bourget (Savoie).

Unio gallicus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. Gallicus) gallicus — Locard (1882)
Unio (Gallicusiana) gallicus — Locard (1889)
Unio (Groupe de l’U. gallicus) gallicus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio gobionum Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 296, 364.
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 158 [52].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 193.
Type(s): IDIOTYPE MNHN_22253, canal du Midi, à Carcassonne.

Unio gobionum — Locard (1882), Westerlund (1890), Baichère (1890)
Unio (Groupe de l’U. falsus) gobionum — Locard (1882)
Unio (Saint-Simoniana) gobionum — Locard (1889)
Unio (Groupe de l’U. requieni) gobionum — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)
Unio mancus requienii — Prie (2012)

Unio holandrei Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 299, 366.
‘de Saulcy’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 167 [61] [as ‘hollandrei’].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 201 [as ‘hollandrei’].
Type(s): IDIOTYPE MNHN_22262, Lagny (Seine-et-Marne).

Unio holandrei — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. bardus) holandrei — Locard (1882)
Unio (Holandriana) hollandrei — Locard (1889)
Unio (Groupe de l’U. danielis) hollandrei — Locard (1893)
Unio (Hollandriana) hollandrei — Germain (1904)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio joannisi Locard, 1882
‘Bourguignat’ Locard, 1882, Prodr. Malac. Franç. 1: 296.
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 163 [57].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 196.
(new name for Unio pictorum var. compressus de Joannis, 1859)
Type(s): IDIOTYPE MNHN_22287, la Seine, au Pecq (Seine-et-Oise).

Unio joannisi — Locard (1882), Westerlund (1890), Rochebrune (1903)
Unio (Groupe de l’U. Gallicus) joannisi — Locard (1882)
Unio (Joannisiana) joannisi — Locard (1889), Germain (1904)
Unio (Groupe de l’U. gestroianus) joannisi — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio jourdheuili Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 296, 364.
‘Ray’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 163 [57].
‘Ray’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 198, fig. 212.
Type(s): IDIOTYPE MNHN_22288, canal de Givors, à Givors (Rhône).

Unio jourdheuili — Locard (1882)
Unio (Galliciana) jourdheuili — Servain (1882)
Unio (Groupe de l’U. Gallicus) jourdheuili — Locard (1882)
Unio (Falsusiana) jourdheuili — Locard (1889)
Unio jourdeuilhi — Westerlund (1890), Baichère (1890)
Unio (Groupe de l’U. gestroianus) jourdheuili — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio malafossianus Locard, 1882
‘P. Fagot’ Locard, 1882, Prodr. Malac. Franç. 1: 297.
‘Fagot’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 175 [69].
‘P. Fagot’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 211.

Unio malafossianus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. rostratus) malafossianus — Locard (1882)
Unio (Rostratiana) malafossianus — Locard (1889)
Unio (Groupe de l’U. maximus) malafossianus — Locard (1893)
Unio tumidus var. maximus — Germain (1931)
Unio elongatulus rousii — Haas (1940), Haas (1969)

Unio meretricis Locard, 1882
Stabile, 1845, Faun. Lug.: 62, fig. 76.
‘Bourguignat’ Locard, 1882, Prodr. Malac. Franç. 1: 295, 363.
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 53 [as ‘meretrix’].
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 156 [50].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 91, fig. 205.
Type(s): IDIOTYPE MNHN_22364, La Drée, à Épinac (Saône-et-Loire).

Unio meretricis — Locard (1882), Westerlund (1890), Baichère (1890), Rochebrune (1903)
Unio (Groupe de l’U. pornæ) meretricis — Locard (1882)
Unio meretrix — Bourguignat (1883)
Unio (Meretricisiana) meretricis — Locard (1889)
Unio (Groupe de l’U. requieni) meretricis — Locard (1893)
Unio (Meretricisiana) meretrecis — Germain (1904)
Unio requieni — Germain (1931)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)
Unio mancus requienii — Prie (2012)

Unio moltenii Adami, 1882
Adami, 1882, Boll. Soc. Malac. Ital. 8: 131, pl. 0, figs. 3, 5, 7.

Unio moltenii — Adami (1882), Bourguignat (1883), Westerlund (1890)
Unio requienii var. moltenii — Kobelt (1884)
Unio (Jacqueminiana) moltenii — Locard (1889)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio mucidulus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 298, 366.
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 168 [62].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 206, fig. 219.
Type(s): IDIOTYPE MNHN_22384, La Saône, à St-Germain-au-Mont-d'Or.

Unio mucidulus — Locard (1882), Westerlund (1890), Germain (1904)
Unio (Groupe de l’U. rostratus) mucidulus — Locard (1882)
Unio (Muciduliana) mucidulus — Servain (1888)
Unio (Asticusiana) mucidulus — Locard (1889)
Unio (Groupe de l’U. tumens) mucidulus — Locard (1893)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio orthellus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 288, 357.
Bérenguier, 1882, Faune malac. Var: 97.
‘Bérenguier’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 140 [34].
Bérenguier in Locard, 1893, Coqu. Eau Douce Saumâtre France: 166.
Type(s): LECTOTYPE MNHN_22433, La Grande-Garonne, à Fréjus (Var).

Unio orthellus — Locard (1882), Bérenguier (1882), Westerlund (1890)
Unio (Groupe de l’U. elongatulus) orthellus — Locard (1882), Locard (1893)
Unio (Elongatulusiana) orthellus — Locard (1889)
Unio mancus var. elongatulus — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio orthus Locard, 1882
Coutagne in Locard, 1882, Prodr. Malac. Franç. 1: 288, 357.
‘Coutagne’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 139 [33].
‘Coutagne’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 166.
Type(s): POSSIBLE SYNTYPE MNHN_22435, l’Albane (Côte-d’Or).

Unio orthus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. elongatulus) orthus — Locard (1882), Locard (1893)
Unio (Elongatulusiana) orthus — Locard (1889)
Unio mancus var. elongatulus — Germain (1931)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969)
Unio mancus bourgeticus — Prie (2012)

Unio pinciacus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 294, 362.
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 167 [61].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 201.
Type(s): IDIOTYPE MNHN_22461, La Marne à Châlons (Marne).

Unio pinciacus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. danielis) pinciacus — Locard (1882), Locard (1893)
Unio (Holandriana) pinciacus — Locard (1889)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio pornae Locard, 1882
‘Bourguignat’ Locard, 1882, Prodr. Malac. Franç. 1: 295, 363 [as ‘pornæ’].
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 52 [as ‘pornæ’].
Type(s): LECTOTYPE MNHN_22465, La Saône, à Mâcon (Saône-et-Loire).

Unio pornae — Locard (1882)
Unio (Groupe de l’U. pornæ) pornæ — Locard (1882)
Unio pornæ — Bourguignat (1883), Westerlund (1890), Rochebrune (1903)
Unio (Porniana) pornæ — Locard (1889)
Unio (Groupe de l’U. gestroianus) pornæ — Locard (1893)
Unio (Porniana) pornae — Germain (1904)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio riciacensis Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 288, 357.
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 139 [33].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 166.
Type(s): IDIOTYPE MNHN_22493, Mont-sous-Vaudrey (Jura).

Unio riciacensis — Locard (1882), Rochebrune (1903)
Unio (Groupe de l’U. elongatulus) riciacensis — Locard (1882), Locard (1893)
Unio (Elongatulusiana) riciacensis — Locard (1889)
Unio ricianensis — Westerlund (1890)
Unio mancus var. elongatulus — Germain (1931)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969)
Unio mancus bourgeticus — Prie (2012)

Unio saintsimonianus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 287, 357 [as ‘saint-simonianus’].
‘P. Fagot’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 158 [52] [as ‘Saint-Simonianus’].
‘P. Fagot’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 192 [as ‘saint-simonianus’].
(renamed Unio saintsimoni Germain, 1904)
Type(s): POSSIBLE SYNTYPES MNHN_22511, Le canal du Midi, à Villefranche-Lauraguais.

Unio saintsimonianus — Locard (1882)
Unio (Groupe de l’U. saint-simonianus) saint-simonianus — Locard (1882)
Unio saint-simonianus — Bérenguier (1882), Baichère (1890), Westerlund (1890)
Unio (Saint-Simoniana) saint-simonianus — Locard (1889)
Unio (Groupe de l’U. requieni) saint-simonianus — Locard (1893)
Unio (Saint-simoniana) saint-simoni — Germain (1904)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio torsatellus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 294, 363.
‘Berthier’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 167 [61].
‘Berthier’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 201.

Unio torsatellus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. renei) torsatellus — Locard (1882)
Unio (Holandriana) torsatellus — Locard (1889)
Unio (Groupe de l’U. danielis) torsatellus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio moltenii var. umbrica Adami, 1882
Adami, 1882, Boll. Soc. Malac. Ital. 8: 132, pl. 0, figs. 4, 6, 8.
(intro'd as intra-sp. of Unio moltenii Adami, 1882)

Unio moltenii var. umbrica — Adami (1882)
Unio umbricus — Bourguignat (1883), Westerlund (1890)
Unio (Jacqueminiana) umbricus — Locard (1889)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio aradasi Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 42.

Unio aradasi — Bourguignat (1883), Westerlund (1890)
Unio (Jacqueminiana) aradasi — Locard (1889)
Unio (s.s.) aradasi — Paetel (1890)
Unio elongatulus gargottae — Haas (1969)

Unio benoiti Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 26.

Unio benoiti — Bourguignat (1883), Paetel (1890), Westerlund (1890)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bivonianus Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 43.

Unio bivonianus — Bourguignat (1883), Paetel (1890)
Unio aradasi var. bivonianus — Westerlund (1890)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio blanci Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 44.

Unio blanci — Bourguignat (1883), Paetel (1890), Westerlund (1890)
Unio elongatulus lawleyianus — Haas (1969)

Unio caficianus Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 55.

Unio caficianus — Bourguignat (1883), Westerlund (1890)
Unio (Meretricisiana) caficianus — Locard (1889)
Unio (Groupe de l’U. requieni) caficianus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus gargottae — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio campanus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 49.

Unio campanus — Drouët (1883), Kobelt (1886)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio campanus Bourguignat, 1883
H. Blanc in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 46.
(homonym of Unio campanus Drouët, 1883)

Unio campanus — Bourguignat (1883), Westerlund (1890)

Unio campsus Bourguignat, 1883
Uzielli in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 17.

Unio campsus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio danconae Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 54 [as ‘d’anconæ’].

Unio danconae — Bourguignat (1883)
Unio d’anconæ — Bourguignat (1883), Westerlund (1890)
Unio (Meretricisiana) d’anconæ — Locard (1889)
Unio anconae — Paetel (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio etruscus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 48.

Unio etruscus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio gentiluomoi Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 35.

Unio gentiluomoi — Bourguignat (1883), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio isseli Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 47.

Unio isseli — Bourguignat (1883), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio laderelianus Bourguignat, 1883
‘Pecchioli’ Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 36.
(error for Unio larderelianus Pecchioli, 1869)

Unio laderelianus — Bourguignat (1883)

Unio latinus Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 12.

Unio latinus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio meretrix Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 53.
(error for Unio meretricis Locard, 1882)

Unio meretrix — Bourguignat (1883)
Unio (Meretricisiana) meretricis — Locard (1889)
Unio meretricis — Westerlund (1890)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio meridionalis Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 51.

Unio meridionalis — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio monterosati Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 40.

Unio monterosati — Bourguignat (1883)
Unio (Jacqueminiana) monterosatoi — Locard (1889)
Unio monterosatoi — Westerlund (1890)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio pecchiolii Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 37.

Unio pecchiolii — Bourguignat (1883), Westerlund (1890)
Unio (Jacqueminiana) pecchiolii — Locard (1889)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio pisanus Bourguignat, 1883
Uzielli in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 29.

Unio pisanus — Bourguignat (1883), Westerlund (1890)
Unio (Pisaniana) pisanus — Locard (1889)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio polii Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 27.

Unio polii — Drouët (1883), Kobelt (1886)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio uziellii Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 27.

Unio uziellii — Bourguignat (1883), Westerlund (1890)
Unio (Pisaniana) uziellii — Locard (1889)
Unio elongatulus lawleyanus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio lawleyanus Kobelt, 1884
‘Gentiluomo’ of Authors.
Kobelt, 1884, Icon. Land- und Süssw.-Moll. 1: 65.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 683.
Simpson, 1914, Descr. Cat. Naiades: 533.
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 127.
(error for Unio lawleyianus Gentiluomo, 1868)

Unio lawleyanus — Kobelt (1884)

Unio asticus Servain, 1887
Servain, 1887, Bull. Soc. Malac. France 4: 259.
Servain, 1888, Bull. Soc. Malac. France 5: 320.

Unio asticus — Servain (1887), Westerlund (1890)
Unio (Muciduliana) asticus — Servain (1888)
Unio (Asticusiana) asticus — Locard (1889)
Unio (Groupe de l’U. tumens) asticus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio eutrapelus Servain, 1887
Servain, 1887, Bull. Soc. Malac. France 4: 260.
Servain, 1888, Bull. Soc. Malac. France 5: 320.

Unio eutrapelus — Servain (1887), Westerlund (1890)
Unio (Muciduliana) eutrapelus — Servain (1888)
Unio (Asticusiana) eutrapelus — Locard (1889)
Unio (Groupe de l’U. tumens) eutrapelus — Locard (1893)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio mongazonae Servain, 1887
Servain, 1887, Bull. Soc. Malac. France 4: 253 [as ‘mongazonæ’].

Unio mongazonae — Servain (1887), Westerlund (1890)
Unio (Penchinatiana) mongazonæ — Locard (1889)
Unio (Groupe de l’U. amblyus) mongazonæ — Locard (1893)
Unio mongazonæ — Rochebrune (1903)
Unio villae var. brindosianus — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio hammoniensis Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 319.

Unio hammoniensis — Servain (1888), Westerlund (1890)
Unio (Muciduliana) hammoniensis — Servain (1888)
Unio (Asticusiana) hammonis — Locard (1889)

Unio lacustris Drouët, 1888
Drouët, 1888, J. de Conch. 36: 106.
Drouët, 1889, Mém. Acad. Sci. Dijon 1: 67, pl. 2, fig. 2.
(homonym of Unio tumidus var. lacustris Rossmässler, 1854; renamed Unio limnaeus Westerlund, 1890)

Unio lacustris — Drouët (1888), Drouët (1889)
Unio limnæus — Westerlund (1890)

Unio plebeius Drouët, 1888
Drouët, 1888, J. de Conch. 36: 105.
Type(s): SYNTYPE MNHN_MP_0082, [no locality available - Europe].

Unio plebeius — Drouët (1888), Drouët (1889)
Unio (Falsusiana) falsus — Locard (1889), Germain (1904)
Unio falsus — Westerlund (1890)
Unio requieni var. pornae — Germain (1931)

Unio suborbicularis Drouët, 1888
Drouët, 1888, J. de Conch. 36: 107.
Drouët, 1889, Mém. Acad. Sci. Dijon 1: 77, pl. 1, fig. 5.
Type(s): SYNTYPE MNHN_MP_0113, Troyes [in shell].

Unio suborbicularis — Drouët (1888), Drouët (1889)
Unio (Nanusiana) lagnysicus — Locard (1889)
Unio lagnysicus — Westerlund (1890)
Unio mancus — Germain (1931)
Unio mancus mancus — Prie (2012)

Unio aegericus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 169 [63], 250 [144] [as ‘ægericus’].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 203 [as ‘ægericus’].
Type(s): HOLOTYPE (MONOTYPY) MNHN_22086, La Baise, à Valence (Gers).

Unio aegericus — Locard (1889)
Unio (Aegericiana) ægericus — Locard (1889)
Unio ægericus — Westerlund (1890)
Unio (Groupe de l’U. tumens) ægericus — Locard (1893)
Unio tumidus var. maximus — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio albanorum Locard, 1889
‘F. Pacôme’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 151 [45], 222 [116].
‘F. Pacôme’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 184.
Type(s): LECTOTYPE MNHN_22088, La Grande-Garonne, à Fréjus (Var).

Unio albanorum — Locard (1889), Westerlund (1890)
Unio (Turtoniana) albanorum — Locard (1889)
Unio (Groupe de l’U. turtoni) albanorum — Locard (1893)
Unio (Berenguieriane) albanorum — Caziot (1910)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio amblyus Locard, 1889
‘Castro’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 152 [46], 225 [119].
‘Castro’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 184, fig. 198.
‘Castro’ Locard, 1899, Conchyliol. Portug.: 224.
Type(s): LECTOTYPE MNHN_22097, La Loire, à Balbigny (Loire).

Unio amblyus — Locard (1889), Westerlund (1890)
Unio (Moreletiana) amblyus — Locard (1889), Germain (1904)
Unio (Groupe de l’U. amblyus) amblyus — Locard (1893)
Unio (groupe de l’U. amblyus) amblyus — Locard (1899)
Unio villae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio antimoquinianus Locard, 1889
Dupuy, 1843, Essai Moll. Terr. Fluv. du Gers: fig. 3 [as ‘moquinianus’]. [in part]
Locard, 1889, Contr. Faune Malacol. Franc. 13: 153 [47], 227 [121].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 179.
Type(s): SYNTYPE MNHN_22106, l'Echez, à Vic-de-Bigorre.

Unio antimoquinianus — Locard (1889)
Unio (Moquiniana) antimoquinianus — Locard (1889)
Unio moquinianus var. antimoquinianus — Westerlund (1890)
Unio (Groupe de l’U. ater) antimoquinianus — Locard (1893)
Unio consentaneus var. moquini — Germain (1931)
Unio elongatulus moquinianus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus — Araujo et al. (2009)
Unio mancus moquinianus — Prie (2012)

Unio aramonensis Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 156 [50], 231 [125].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 191.
Type(s): LECTOTYPE MNHN_22107, le Rhône, Aramon (Gard).

Unio aramonensis — Locard (1889), Westerlund (1890)
Unio (Meretricisiana) aramonensis — Locard (1889)
Unio (Groupe de l’U. requieni) aramonensis — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio ararisianus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 155 [49], 229 [123].
‘Coutagne’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 190.
Type(s): SYNTYPE MNHN_22109, La Saône à Lyon.

Unio ararisianus — Locard (1889), Westerlund (1890)
Unio (Gallicusiana) ararisianus — Locard (1889)
Unio (Groupe de l’U. gallicus) ararisianus — Locard (1893)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio arcuatulus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 165 [59], 244 [138].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 197.

Unio arcuatulus — Locard (1889), Westerlund (1890)
Unio (Cyrtusiana) arcuatulus — Locard (1889), Germain (1904)
Unio (Groupe de l’U. gestroianus) arcuatulus — Locard (1893)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio atharsus Locard, 1889
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 169 [63], 251 [145].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 204.
Type(s): LECTOTYPE MNHN_22117, Varennes (Jura).

Unio atharsus — Locard (1889), Westerlund (1890)
Unio (Jousseaumeana) atharsus — Locard (1889)
Unio (Groupe de l’U. tumens) atharsus — Locard (1893)
Unio requieni var. pornae — Germain (1931)
Unio pictorum ravoisieri — Haas (1940)
Unio elongatulus requienii — Haas (1969)
Unio mancus requienii — Prie (2012)

Unio campylus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 165 [59], 243 [137].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 197.
Type(s): LECTOTYPE MNHN_22157, [illegible] Mortagne (Vendrée).

Unio campylus — Locard (1889), Westerlund (1890)
Unio (Cyrtusiana) campylus — Locard (1889), Germain (1904)
Unio (Groupe de l’U. gestroianus) campylus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio dollfusianus Locard, 1889
‘Bourguignat’ of Authors.
Locard, 1889, Contr. Faune Malacol. Franc. 13: 167 [61].
Germain, 1931, Faune de France 22: 736.
Prie, 2012, MalaCo 8: 431.
(error for Unio dolfusianus Locard, 1882)

Unio dollfusianus — Locard (1889)

Unio exauratus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 145 [39], 210 [104].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 175.
Type(s): LECTOTYPE MNHN_22206, La Siagne, à Cannes (Alpes-Maritimes).

Unio exauratus — Locard (1889), Westerlund (1890)
Unio (Lemotheuxiana) exauratus — Locard (1889), Caziot (1910)
Unio (Groupe de l’U. adonus) exauratus — Locard (1893)
Unio capigliolo — Germain (1931)
Unio elongatulus turtoni — Haas (1940), Haas (1969)
Unio mancus turtonii — Prie (2012)

Unio frayssianus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 155 [49], 227 [121].
‘Coutagne’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 189.
Type(s): SYNTYPES MNHN_22226, Étang de Meyranne (Bouches-du-Rhône).

Unio frayssianus — Locard (1889), Westerlund (1890)
Unio (Gallicusiana) frayssianus — Locard (1889)
Unio (Groupe de l’U. gallicus) frayssianus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio germanjanicus Locard, 1889
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 139 [33], footnote. [nomen nudum]

Unio germanjanicus — Locard (1889)
Unio (Elongatulusiana) germanjanicus — Locard (1889)

Unio hammonis Locard, 1889
‘Servain’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 168 [62].
(error for Unio hammoniensis Servain, 1888)

Unio hammonis — Locard (1889)

Unio hollandrei Locard, 1889
‘de Saulcy’ of Authors.
Locard, 1889, Contr. Faune Malacol. Franc. 13: 167 [61].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 201.
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 278.
Germain, 1931, Faune de France 22: 736.
Prie, 2012, MalaCo 8: 431.
(error for Unio holandrei Locard, 1882)

Unio hollandrei — Locard (1889)

Unio hydrelus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 157 [51], 235 [129].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 192, fig. 206.
Type(s): LECTOTYPE MNHN_22264, Brainans (Jura).

Unio hydrelus — Locard (1889), Westerlund (1890)
Unio (Requieniana) hydrelus — Locard (1889)
Unio (Groupe de l’U. requieni) hydrelus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio lagnysicus Locard, 1889
‘Bourguignat’ of Authors.
Locard, 1889, Contr. Faune Malacol. Franc. 13: 127 [21].
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 84.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 154.
Dumas, 1895, Rev. Sci. Bourbonnais, Suppl.: 47.
Rochebrune, 1903, Bull. Mus. Hist. Nat. 9: 389.
Kobelt & Haas, 1910, Icon. Land- und Süssw.-Moll. 17: 37.
(error for Unio lagnisicus Locard, 1882)

Unio lagnysicus — Locard (1889)

Unio meyrannicus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 155 [49], 228 [122].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 190.
Type(s): POSSIBLE SYNTYPES MNHN_22367, Étang de Meyranne (Bouches-du-Rhône).

Unio meyrannicus — Locard (1889), Westerlund (1890)
Unio (Gallicusiana) meyrannicus — Locard (1889)
Unio (Groupe de l’U. gallicus) meyrannicus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio mucidulinus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 168 [62], 249 [143].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 206.
Type(s): LECTOTYPE MNHN_22382, Varennes (Jura).

Unio mucidulinus — Locard (1889), Westerlund (1890)
Unio (Asticusiana) mucidulinus — Locard (1889)
Unio (Groupe de l’U. tumens) mucidulinus — Locard (1893)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio nuperus Locard, 1889
‘Parreys’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 139 [33], footnote. [nomen nudum]

Unio nuperus — Locard (1889)
Unio (Elongatulusiana) nuperus — Locard (1889)
Unio elongatulus sandrii — Haas (1940)

Unio oberthurianus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 168 [62], 248 [142].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 206.
Type(s): IDIOTYPE MNHN_22421, La Grosne, à la Ferté (Saône-et-Loire).

Unio oberthurianus — Locard (1889), Westerlund (1890)
Unio (Holandriana) oberthurianus — Locard (1889)
Unio (Groupe de l’U. tumens) oberthurianus — Locard (1893)
Unio requieni var. pornae — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012)

Unio oesiacus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 164 [58], 241 [135] [as ‘œsiacus’].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 198 [as ‘œsiacus’].
Type(s): LECTOTYPE MNHN_22425, L’Oise, à Pontoise.

Unio oesiacus — Locard (1889), Westerlund (1890)
Unio (Desfontainiana) œsiacus — Locard (1889)
Unio (Groupe de l’U. gestroianus) œsiacus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio royanus Locard, 1889
‘Locard’ of Authors.
Locard, 1889, Contr. Faune Malacol. Franc. 13: 171 [65].
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 110.
Germain, 1931, Faune de France 22: 737.
Prie, 2012, MalaCo 8: 432.
(error for Unio royianus Locard, 1889)

Unio royanus — Locard (1889)

Unio royianus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 171 [65], 255 [149].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 202, fig. 215 [as ‘royianus’].
Type(s): LECTOTYPE MNHN_22509, fossés du fort de la Vitriolerie, à Lyon.

Unio royianus — Locard (1889)
Unio (Hispaniana) royianus — Locard (1889)
Unio royanus — Westerlund (1890)
Unio (Groupe de l’U. danielis) royianus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio salmurensis Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 157 [51], 234 [128].
‘Servain’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 192.
Type(s): SYNTYPE MNHN_22512, La Loire, à Orléans (Loiret).

Unio salmurensis — Locard (1889), Westerlund (1890)
Unio (Requieniana) salmurensis — Locard (1889), Germain (1904)
Unio (Groupe de l’U. requieni) salmurensis — Locard (1893)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)

Unio talus Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 161 [55], 240 [134].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 193.
Type(s): IDIOTYPE MNHN_22571, canal de Fresquel (Aude).

Unio talus — Locard (1889), Westerlund (1890), Baichère (1890)
Unio (Mucidusiana) talus — Locard (1889)
Unio (Groupe de l’U. requieni) talus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio triffoiricus Locard, 1889
‘Bourguignat’ Schröder, 1885, Bull. Soc. Malac. France 2: 229. [nomen nudum]
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 171 [65], 252 [146].
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 199.
Type(s): LECTOTYPE MNHN_22576, le Rhône, à Beaucaire (Gard).

Unio triffoiricus — Schröder (1885), Locard (1889), Westerlund (1890), Germain (1931)
Unio (Hispaniana) triffoiricus — Locard (1889), Germain (1904)
Unio (Groupe de l’U. danielis) triffoiricus — Locard (1893)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio vardonicus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 157 [51], 232 [126].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 192.
Type(s): LECTOTYPE MNHN_22596, Aramon (Gard).

Unio vardonicus — Locard (1889), Westerlund (1890)
Unio (Meretricisiana) vardonicus — Locard (1889)
Unio (Groupe de l’U. requieni) vardonicus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio mancus var. minor Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 130 [24], footnote. [nomen nudum]

Unio mancus var. minor — Locard (1889)
Unio (Mancusiana) mancus var. minor — Locard (1889)

Unio mucidulinus var. curta Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 250 [144].
(homonym of Unio curtus Lea, 1859; intro'd as intra-sp. of Unio mucidulinus Locard, 1889)

Unio mucidulinus var. curta — Locard (1889)
Unio (Asticusiana) mucidulinus var. curta — Locard (1889)

Unio requieni var. elongata Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 157 [51], footnote. [nomen nudum]
(homonym of Unio elongata Lamarck, 1819; intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requieni var. elongata — Locard (1889)
Unio (Requieniana) requieni var. elongata — Locard (1889)

Unio monterosatoi Locard, 1889
‘Bourguignat’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 156 [50].
‘Bgt.’ Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 157.
(error for Unio monterosati Bourguignat, 1883)

Unio monterosatoi — Locard (1889)

Unio anconae Paetel, 1890
‘Bourguignat’ Paetel, 1890, Cat. Conch.-Samml. 3: 144.
(error for Unio danconae Bourguignat, 1883)

Unio anconae — Paetel (1890)

Unio aradasis Westerlund, 1890
‘Kob.’ Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 157.
(error for Unio aradasii Kobelt, 1876)

Unio aradasis — Westerlund (1890)

Unio baicheri Baichère, 1890
‘Locard’ Baichère, 1890, Bull. Soc. Malac. France 7: 119.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 186.

Unio baicheri — Baichère (1890)
Unio (Groupe de l’U. amblyus) baicheri — Locard (1893)
Unio villae — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio bramicus Baichère, 1890
Baichère, 1890, Bull. Soc. Malac. France 7: 125.

Unio bramicus — Baichère (1890)
Unio (Groupe de l’U. gestroianus) bramicus — Locard (1893)
Unio requieni — Germain (1931)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio jourdeuilhi Westerlund, 1890
‘Ray in Locard’ of Authors.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 138.
Baichère, 1890, Bull. Soc. Malac. France 7: 124.
(error for Unio jourdheuili Locard, 1882)

Unio jourdeuilhi — Westerlund (1890)

Unio limnaeus Westerlund, 1890
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 136 [as ‘limnæus’].
(new name for Unio lacustris Drouët, 1888)

Unio limnaeus — Westerlund (1890)
Unio limnæus — Westerlund (1890)

Unio ricianensis Westerlund, 1890
‘Bgt.’ Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 165.
(error for Unio riciacensis Locard, 1882)

Unio ricianensis — Westerlund (1890)

Unio alleroni Locard, 1893
‘Companyo et Massot’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 182.
(error for Unio aleronii Companyo & Massot, 1845)

Unio alleroni — Locard (1893)

Unio almenarensis Drouët, 1893
Drouët, 1893, J. de Conch. 41: 171.
Drouët, 1893, Mém. Acad. Sci. Dijon 4: 62, pl. 1, fig. 2.

Unio almenarensis — Drouët (1893)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009), Fauna Europaea (2012)
Unio mancus mancus — Prie (2012)

Unio arelatus Locard, 1893
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 188.

Unio arelatus — Locard (1893)
Unio (Groupe de l’U. platyrhynchoideus) arelatus — Locard (1893)
Unio consentaneus var. jacquemini — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio fabiformis Locard, 1893
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 188.
(error for Unio fabaeformis Locard, 1882)

Unio fabiformis — Locard (1893)

Unio linguiformis Locard, 1893
‘Wilcock’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 182.

Unio linguiformis — Locard (1893)
Unio (Groupe de l’U. turtoni) linguiformis — Locard (1893)
Unio turtoni — Germain (1931)
Unio mancus turtonii — Prie (2012)

Unio prolatus Locard, 1893
‘Bourguignat’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 182.

Unio prolatus — Locard (1893)
Unio (Groupe de l’U. turtoni) prolatus — Locard (1893)
Unio turtoni — Germain (1931)
Unio mancus turtonii — Prie (2012)

Unio biformis Monterosato, 1896
Monterosato, 1896, Naturalista Siciliano 15: 13, text fig.

Unio biformis — Monterosato (1896)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bipartitus Monterosato, 1896
Monterosato, 1896, Naturalista Siciliano 15: 18, text fig.

Unio bipartitus — Monterosato (1896)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bitortus Monterosato, 1896
Monterosato, 1896, Naturalista Siciliano 15: 12, text fig.

Unio bitortus — Monterosato (1896)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio bivonianus var. cuspidata Monterosato, 1896
Monterosato, 1896, Naturalista Siciliano 15: 16, text fig.
(homonym of Unio cuspidatus Lea, 1872; intro'd as intra-sp. of Unio bivonianus Bourguignat, 1883)

Unio bivonianus var. cuspidata — Monterosato (1896)
Unio aradae var. cuspidata — Kobelt (1912)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio valens Drouët, 1897
Drouët, 1897, J. de Conch.: 122.
Drouët, 1898, Mém. Acad. Sci. Dijon ??: 50, pl. 1, fig. 5.

Unio valens — Drouët (1897)
Unio triffoiricus — Germain (1931)

Unio gibberulus Drouët, 1898
Drouët, 1898, Mém. Acad. Sci. Dijon ??: 55.

Unio gibberulus — Drouët (1898)
Unio requieni — Germain (1931)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)

Unio rostratus var. amplus Drouët, 1898
Drouët, 1898, Mém. Acad. Sci. Dijon ??: 89.
(intro'd as intra-sp. of Unio rostrata Lamarck, 1819; homonym of Unio amplus Lea, 1872)

Unio rostratus var. amplus — Drouët (1898)
Unio tumidus var. maximus — Germain (1931)

Unio bandanii Simpson, 1900
‘Küster’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 686.
(error for Unio bandinii Rossmässler, 1837)

Unio bandanii — Simpson (1900)

Unio meretrecis Germain, 1904
‘Bourguignat’ of Authors.
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 267, footnote.
Germain, 1931, Faune de France 22: 737.
Prie, 2012, MalaCo 8: 432.
(error for Unio meretricis Locard, 1882)

Unio meretrecis — Germain (1904)

Unio pleibeius Germain, 1904
‘Drouet’ Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 273 [35].
(error for Unio plebeius Drouët, 1888)

Unio pleibeius — Germain (1904)

Unio saintsimoni Germain, 1904
‘Fagot’ Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 270 [32] [as ‘saint-simoni’].
(new name for Unio saintsimonianus Locard, 1882)

Unio saintsimoni — Germain (1904)
Unio (Saint-simoniana) saint-simoni — Germain (1904)

Unio subniger Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 269 [31], footnote.
(homonym of Unio subniger Lea, 1857)

Unio subniger — Germain (1904)

Unio amblyus var. nigerrimus Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 266 [28].
(homonym of Unio nigerrimus Lea, 1852; intro'd as intra-sp. of Unio amblyus Locard, 1889)

Unio amblyus var. nigerrimus — Germain (1904)
Unio (Moreletiana) amblyus nigerrimus — Germain (1904)

Unio gestroianus var. rubiginosus Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 271 [33].
(homonym of Unio rubiginosus Lea, 1829; intro'd as intra-sp. of Unio gestroianus Locard, 1882)

Unio gestroianus var. rubiginosus — Germain (1904)
Unio (Porniana) gestroianus rubiginosus — Germain (1904)

Unio pornae var. viridis Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 272 [34].
(homonym of Unio (Elliptio) viridis Rafinesque, 1820; intro'd as intra-sp. of Unio pornae Locard, 1882)

Unio pornae var. viridis — Germain (1904)
Unio (Porniana) pornae viridis — Germain (1904)

Unio triffoiricus var. mayennensis Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 279 [41], pl. 2, fig. 38.
(intro'd as intra-sp. of Unio triffoiricus Locard, 1889)

Unio triffoiricus var. mayennensis — Germain (1904)
Unio (Hispaniana) triffoiricus mayennensis — Germain (1904)

Unio voltzii var. ursanensis Kobelt & Haas, 1910
Kobelt & Haas, 1910, Icon. Land- und Süssw.-Moll. 17: 35.
(error for Unio voltzii var. ursannensis Kobelt & Haas, 1910)

Unio voltzii var. ursanensis — Kobelt & Haas (1910)

Unio voltzii var. ursannensis Kobelt & Haas, 1910
Kobelt & Haas, 1910, Icon. Land- und Süssw.-Moll. 17: 35, pl. 467, fig. 2518.
(intro'd as intra-sp. of Unio (? requienii var.) voltzii Kobelt & Haas, 1910)

Unio voltzii var. ursannensis — Kobelt & Haas (1910)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969)
Unio mancus bourgeticus — Prie (2012)

Unio subindentatus Kobelt, 1912
Adami in Kobelt, 1912, Icon. Land- und Süssw.-Moll. 19: 40, pl. 501, fig. 2648.

Unio subindentatus — Kobelt (1912)
Unio elongatulus gargottae — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969)

Unio fascinellus Germain, 1931
‘Servain’ of Authors.
Germain, 1931, Faune de France 22: 736.
Prie, 2012, MalaCo 8: 431.
(error for Unio fascellinus Locard, 1882)

Unio fascinellus — Germain (1931)

Unio lagnysiacus Germain, 1931
‘Bourguignat in Locard’ of Authors.
Germain, 1931, Faune de France 22: 724.
Prie, 2012, MalaCo 8: 430.
(error for Unio lagnisicus Locard, 1882)

Unio lagnysiacus — Germain (1931)

Unio lusitanicus Germain, 1931
‘Drouët’ of Authors.
Germain, 1931, Faune de France 22: 736.
Prie, 2012, MalaCo 8: 434.
(error for Unio lusitanus Drouët, 1879)

Unio lusitanicus — Germain (1931)

Unio orbus Germain, 1931
‘Locard’ Germain, 1931, Faune de France 22: 727.
(error for Unio orthus Locard, 1882)

Unio orbus — Germain (1931)

Unio consentaneus var. moquini Germain, 1931
Germain, 1931, Faune de France 22: 734, text fig. 829.
(new name for Unio moquinianus Dupuy, 1843)

Unio consentaneus var. moquini — Germain (1931)
Unio elongatulus moquinianus — Haas (1940), Haas (1969)
Unio mancus — Araujo et al. (2009)
Unio mancus moquinianus — Prie (2012)

Unio hydrellus Haas, 1940
‘Locard’ Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 122.
(error for Unio hydrelus Locard, 1889)

Unio hydrellus — Haas (1940)

Unio pincianus Haas, 1940
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 121.
Haas, 1969, Das Tierreich 88: 23.
(error for Unio pinciacus Locard, 1882)

Unio pincianus — Haas (1940)

Unio ricconianus Haas, 1940
‘Monterosato’ Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 127.
(intro'd as syn of Unio gargottae Philippi, 1836)

Unio ricconianus — Haas (1940)
Unio elongatulus gargottae — Haas (1940), Haas (1969)

Unio zoasthenicus Haas, 1940
‘Locard’ Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 131.
(error for Unio zoasthenus Locard, 1889)

Unio zoasthenicus — Haas (1940)

Unio baudinii Haas, 1969
‘Rossmässler’ of Authors.
Haas, 1969, Das Tierreich 88: 35.
Fauna Europaea, 2012, Fauna Europa: [web].
Prie, 2012, MalaCo 8: 430.
(error for Unio bandinii Rossmässler, 1837)

Unio baudinii — Haas (1969)

Unio bramichus Prie, 2012
‘Baichère’ Prie, 2012, MalaCo 8: 431.
(error for Unio bramicus Baichère, 1890)

Unio bramichus — Prie (2012)

Unio lingulformis Prie, 2012
‘Wilcock, Locard’ Prie, 2012, MalaCo 8: 431.
(error for Unio linguiformis Locard, 1893)

Unio lingulformis — Prie (2012)

Unio passaranti Prie, 2012
‘Bourguignat in Locard’ Prie, 2012, MalaCo 8: 433.
(error for Unio passavanti Locard, 1889)

Unio passaranti — Prie (2012)

Taxonomic History (since 1900)

Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) emarginatus — Simpson (1900), Simpson (1914)
Unio (Nephronaias) aztecorum — Martens (1900)
Margaritana crassa — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) platyrinchoideus — Simpson (1900), Simpson (1914)
Unio bandanii — Simpson (1900)
Unio joannisi — Rochebrune (1903)
Unio meretricis — Rochebrune (1903)
Unio pornæ — Rochebrune (1903)
Unio riciacensis — Rochebrune (1903)
Unio mongazonæ — Rochebrune (1903)
Unio (Requieniana) salmurensis — Germain (1904)
Unio (Mancusiana) mancus — Germain (1904)
Unio (Requieniana) requieni — Germain (1904)
Unio (Joannisiana) joannisi — Germain (1904)
Unio (Saint-simoniana) condatinus — Germain (1904)
Unio (Hollandriana) hollandrei — Germain (1904)
Unio (Meretricisiana) meretrecis — Germain (1904)
Unio mucidulus — Germain (1904)
Unio (Porniana) pornae — Germain (1904)
Unio (Saint-simoniana) saint-simoni — Germain (1904)
Unio (Falsusiana) falsus — Germain (1904)
Unio (Moreletiana) amblyus — Germain (1904)
Unio (Cyrtusiana) arcuatulus — Germain (1904)
Unio (Cyrtusiana) campylus — Germain (1904)
Unio (Hispaniana) triffoiricus — Germain (1904)
Unio meretrecis — Germain (1904)
Unio pleibeius — Germain (1904)
Unio saintsimoni — Germain (1904)
Unio subniger — Germain (1904)
Unio amblyus var. nigerrimus — Germain (1904)
Unio (Moreletiana) amblyus nigerrimus — Germain (1904)
Unio gestroianus var. rubiginosus — Germain (1904)
Unio (Porniana) gestroianus rubiginosus — Germain (1904)
Unio pornae var. viridis — Germain (1904)
Unio (Porniana) pornae viridis — Germain (1904)
Unio triffoiricus var. mayennensis — Germain (1904)
Unio (Hispaniana) triffoiricus mayennensis — Germain (1904)
Unio (Groupe des Mancusiana) mancus — Caziot (1907)
Unio (Groupe des Requieniana) requieni — Caziot (1907)
Unio mancus — Kobelt & Haas (1910), Germain (1931), Nagel et al. (1998), Bába (2000), ..., Wu et al. (2023), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Unio (Berenguieriane) berenguieri — Caziot (1910)
Unio mancus bourgeticus — Kobelt & Haas (1910), Prie (2012), Prié & Puillandre (2014)
Unio (Turtoniana) forojuliensis — Caziot (1910)
Unio (Berenguieriane) albanorum — Caziot (1910)
Unio (Lemotheuxiana) exauratus — Caziot (1910)
Unio voltzii var. ursanensis — Kobelt & Haas (1910)
Unio voltzii var. ursannensis — Kobelt & Haas (1910)
Unio aradae — Kobelt (1912)
Unio aradae var. cuspidata — Kobelt (1912)
Unio subindentatus — Kobelt (1912)
Unio emarginatus — de Gregorio (1914)
Unio turtonii turtonii — Haas (1924)
Unio turtonii valentinus — Haas (1924)
Unio requieni — Germain (1931)
Unio capigliolo — Germain (1931)
Unio turtoni — Germain (1931), IUCN (1996)
Unio consentaneus var. jacquemini — Germain (1931)
Margaritana auricularia — Germain (1931)
Unio consentaneus var. moquini — Germain (1931)
Unio consentaneus var. ardusianus — Germain (1931)
Unio turtoni var. aleroni — Germain (1931)
Unio requieni var. rousi — Germain (1931)
Unio villae — Germain (1931)
Unio villae var. brindosianus — Germain (1931)
Unio tumidus var. maximus — Germain (1931)
Unio requieni var. pornae — Germain (1931)
Unio mancus var. elongatulus — Germain (1931)
Unio triffoiricus — Germain (1931)
Unio fascinellus — Germain (1931)
Unio lagnysiacus — Germain (1931)
Unio lusitanicus — Germain (1931)
Unio orbus — Germain (1931)
Unio elongatulus mancus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus turtoni — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus requienii — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus durieui — Haas (1940), Haas (1969)
Unio elongatulus gargottae — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio crassus batavus — Haas (1940), Haas (1969)
Unio elongatulus moquinianus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus aleroni — Haas (1940), Haas (1969)
Unio elongatulus rousii — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus valentinus — Haas (1940), Haas (1969)
Unio elongatulus lawleyanus — Haas (1940)
Unio pictorum platyrhynchoideus — Haas (1940), Haas (1969)
Unio pictorum delphinus — Haas (1940), Haas (1969)
Unio elongatulus bourgeticus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio pictorum pictorum — Haas (1940), Haas (1969)
Unio pictorum ravoisieri — Haas (1940)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio elongatulus sandrii — Haas (1940)
Unio hydrellus — Haas (1940)
Unio pincianus — Haas (1940)
Unio ricconianus — Haas (1940)
Unio zoasthenicus — Haas (1940)
Unio elongatulus lawleyianus — Haas (1969), Fauna Europaea (2012)
Unio baudinii — Haas (1969)
Unio (s.s.) mancus — Falkner (1994)
Unio pictorum mancus — Nagel (2000), Nagel & Badino (2001)
Unio (s.s.) mancus mancus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) mancus turtonii — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) mancus requienii — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) mancus moquinianus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) mancus aleronii — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) mancus brindosianus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) mancus bourgeticus — Falkner et al. (2001), Falkner et al. (2002)
Unio delphinus — Araujo et al. (2009)
Unio mancus mancus — Prie (2012), Prie et al. (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019)
Unio mancus turtonii — Prie (2012), Prie et al. (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Lyubas et al. (2022)
Unio mancus requienii — Prie (2012), Prie et al. (2012), Prié & Puillandre (2014), Lopes-Lima et al. (2017), Marrone et al. (2019), Lyubas et al. (2022)
Unio mancus moquinianus — Prie (2012), Prié & Puillandre (2014)
Unio mancus aleronii — Prie (2012)
Unio mancus brindosianus — Prie (2012)
Unio bramichus — Prie (2012)
Unio lingulformis — Prie (2012)
Unio passaranti — Prie (2012)
Unio pictorum — He & Zhuang (2013), Prié & Puillandre (2014), Araujo et al. (2018)
Unio mancus var. aleronii — Prié & Puillandre (2014)
Unio mancus gargottae — Lopes-Lima et al. (2017)
Unio cf. elongatulus — Lopes-Lima et al. (2017)