Unio elongatula C. Pfeiffer, 1825
C. Pfeiffer, 1825, Natur. Deutsch. Land Sussw. Moll. 2: 35, pl. 8, figs. 5-6.
Type(s): NEOTYPE MZUF_BC_53138, Vipava (Vipacco) River, Savogna d’Isonzo, Gorizia, Friuli-Venezia Giulia, Italy.

Unio elongatula — C. Pfeiffer (1825), Férussac (1827), Drouët (1879)
Unio elongatulus — Rossmässler (1835), Rossmässler (1844), Küster (1854), Colbeau (1868), ..., Wu et al. (2023), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Margarita (Unio) elongatus — Lea (1836), Lea (1838)
Mysca elongatula — Schlüter (1838)
Unio pictorum — Hanley (1843)
Margaron (Unio) elongatus — Lea (1852)
Unio elongatus — Adams & Adams (1857), Haas (1952)
Margaron (Unio) elongatulus — Lea (1870)
Unio elongatulus var. — Kobelt (1879)
Unio elongatula sec. — Kobelt (1879)
Unio (Elongatulusiana) elongatulus — Locard (1889)
Unio (sec. Lymnium) elongatulus — Simpson (1900), Simpson (1914)
Unio (Groupe des Elongatulusiana) elongatulus — Caziot (1907)
Unio elongatulus elongatulus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus — Nagel et al. (1998), Araujo et al. (2005), Graf & Cummings (2007), Graf & Cummings (2011), IUCN (2014)
Unio cf. elongatulus — Lopes-Lima et al. (2017)

Unio pallens Rossmässler, 1842
‘Parr.’ Rossmässler, 1842, Icon. Land- und Süssw.-Moll. 2 (5): 13, pl. 54, fig. 740.

Unio pallens — Rossmässler (1842), Küster (1854), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1852)
Unio (Meretricisiana) palleus — Locard (1889)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio elongatulus pallens — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio mancus pallens — Lopes-Lima et al. (2017)
Unio elongatulus — Araujo et al. (2018), Marrone et al. (2019)

Unio glaucinus Porro, 1838
Porro, 1838, Malacol. Prov. Comasca: 115.

Unio glaucinus — Porro (1838), Bourguignat (1883), Kobelt (1886), Westerlund (1890)
Unio (Amniciana) glaucinus — Servain (1888)
Unio (Amnicusiana) glaucinus — Locard (1889)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio elongatulus glaucinus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio (s.s.) mancus glaucinus — Falkner et al. (2001)
Unio mancus — Araujo et al. (2005), IUCN (2014), Araujo et al. (2018)
Unio cf. elongatulus — Lopes-Lima et al. (2017)
Unio elongatulus — Marrone et al. (2019)

Unio kruperi Drouët, 1879
Kob. fig. 1644-1645 of Authors.
Drouët, 1879, J. de Conch. 27: 140.

Unio kruperi — Drouët (1879)
Unio krüperi — Westerlund (1890)
Unio elongatulus kruperi — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio (s.s.) mancus kruperi — Falkner (1994), Bank (2006)

Unio quellenneci Drouët, 1895
Drouët, 1895, J. de Conch. 43: 26, sp. 101.

Unio quellenneci — Drouët (1895)
Unio quelleneci — Kobelt (1896)
Unio elongatulus quelleneci — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio (s.s.) mancus kruperi — Bank (2006)

Unio elongatulus Rossmässler, 1835
‘Mühlf.’ Rossmässler, 1835, Icon. Land- und Süssw.-Moll. 1 (2): 23, pl. 9, fig. 132.
Rossmässler, 1844, Icon. Land- und Süssw.-Moll. 2 (6): 27, pl. 56, fig. 751.
(reference to Unio elongatula C. Pfeiffer, 1825)

Unio elongatulus — Menke (1830), Rossmässler (1835), Küster (1854), Sowerby (1868), Westerlund (1890), Rochebrune (1903), Haas (1924)
Margarita (Unio) pictorum — Lea (1836), Lea (1838)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Batavi) mancus — Dupuy (1852)
Unio (Groupe de l’U. elongatulus) elongatulus — Locard (1882), Locard (1893)
Unio (Elongatulusiana) elongatulus — Locard (1889)
Unio mancus — Westerlund (1890)
Unio (sec. Lymnium) elongatulus — Simpson (1900)
Unio mancus var. elongatulus — Germain (1931)

Unio elongatus Lea, 1836
‘Pfeiffer’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 37.
Lea, 1838, Synopsis Fam. Naiades: 24.
Lea, 1852, Synopsis Fam. Naiades: 37.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 491.
Haas, 1952, Nautilus 65(4): 118.
Bogan, 1993, Amer. Zool. 33: 602.
(error for Unio elongatula C. Pfeiffer, 1825)

Unio elongatus — Lea (1836)
Unio (Lymnium) batavus var. F mancus — Moquin-Tandon (1855)

Potomida sicula Swainson, 1840
Swainson, 1840, Treat. Malacol.: 282, fig. 58.
Type(s): POSSIBLE SYNTYPE BMNH_1907-10-28-255, Lake Leontini, Sicily.

Potomida sicula — Swainson (1840)
Mysca (Potomida) sicula — Swainson (1840)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio siculus — Hanley (1856), Sowerby (1868)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio pictorum — He & Zhuang (2013)

Unio corrosus Villa, 1841
Villa, 1841, Dispos. Syst. Conchyl.: 61.

Unio corrosus — Villa (1841), Spinelli (1851), Bourguignat (1883), Kobelt (1886), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Groupe de l’U. crassus) corrosus — Locard (1882)
Unio (Socardiana) corrosus — Locard (1889)
Unio (Groupe de l’U. feliciani) corrosus — Locard (1893)
Unio crassus — Germain (1931)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio sandrii Rossmässler, 1844
‘Villa’ Rossmässler, 1844, Icon. Land- und Süssw.-Moll. 2 (6): 26, pl. 56, fig. 748-749.

Unio sandrii — Rossmässler (1844), Küster (1854), Gredler (1859), Sowerby (1868), Westerlund (1890)
Margaron (Unio) batavus — Lea (1852), Lea (1870)
Unio (Groupe de l’U. sandrii) sandrii — Locard (1882)
Unio (Sandriana) sandrii — Locard (1889)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio sandrii var. sericatus Rossmässler, 1844
‘Parreyss’ Rossmässler, 1844, Icon. Land- und Süssw.-Moll. 2 (6): 27, pl. 56, fig. 750.
(intro'd as intra-sp. of Unio sandrii Rossmässler, 1844)

Unio sandrii var. sericatus — Rossmässler (1844), Westerlund (1890)
Unio (Sandriana) sericatus — Locard (1889)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio pictorum var. parva Stabile, 1845
Stabile, 1845, Faun. Lug.: 61, f. 73.
(homonym of Unio parvus Barnes, 1823; renamed Unio eucallistellus Bourguignat, 1883)

Unio pictorum var. parva — Stabile (1845)
Unio eucallistellus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio spinellii Spinelli, 1851
‘Villa’ Spinelli, 1851, Cat. Moll. Terr. Fluv. Prov. Brescia: 20, figs. 7-8.

Unio spinellii — Spinelli (1851), Bourguignat (1883), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1870)
Unio (Groupe de l’U. Bereguieri) spinellii — Locard (1882)
Unio requienii var. spinellii — Kobelt (1884)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio vindiflavus Lea, 1852
‘Küster’ Lea, 1852, Synopsis Fam. Naiades: 37.
‘Küster’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio viridiflavus Küster, 1854)

Unio vindiflavus — Lea (1852)

Unio petrovichii Küster, 1854
Küster, 1854, Conchyl. Cab. 9(2): 98, pl. 26, figs. 5-6; pl. 27, fig. 1.

Unio petrovichii — Küster (1854), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus pallens — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio petterianus Küster, 1854
Küster, 1854, Conchyl. Cab. 9(2): 97, pl. 26, fig. 4.

Unio petterianus — Küster (1854), Westerlund (1890)
Margaron (Unio) petterianus — Lea (1852), Lea (1870)
Unio (Hyridella) petterianus — Adams & Adams (1857)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio elongatulus pallens — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio viridiflavus Küster, 1854
Küster, 1854, Conchyl. Cab. 9(2): 96, pl. 26, figs. 2-3.

Unio viridiflavus — Küster (1854), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio elongatulus pallens — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio requienii var. blauneri Stabile, 1859
‘Shuttleworth’ Stabile, 1859, Atti soc. geol. Milano 1: 170, 185, sp. 51.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. blauneri — Stabile (1859)
Unio (Limnium) requienii var. blauneri — Stabile (1859)
Margaron (Unio) pictorum — Lea (1870)
Unio blauneri — Kobelt (1876), Drouët (1883), Bourguignat (1883), Haas (1924)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio requienii var. oriliensis Stabile, 1859
Stabile, 1859, Atti soc. geol. Milano 1: 170, 184, sp. 50.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. oriliensis — Stabile (1859)
Unio (Limnium) requienii var. oriliensis — Stabile (1859)
Unio oriliensis — Drouët (1883), Bourguignat (1883), Kobelt (1886), Westerlund (1890)
Unio (Socardiana) oriliensis — Locard (1889)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio requienii var. vulgaris Stabile, 1859
Stabile, 1859, Atti soc. geol. Milano 1: 170, 184, sp. 49.
(intro'd as intra-sp. of Unio requienii Michaud, 1831)

Unio requienii var. vulgaris — Stabile (1859)
Unio (Limnium) requienii var. vulgaris — Stabile (1859)
Margaron (Unio) pictorum — Lea (1870)
Unio vulgaris — Bourguignat (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio ovalis var. intercedens Gredler, 1860
‘Moll. Tirol II’ Gredler, 1860, unknown publication: 58. [nomen nudum]
(homonym of Unio intercedens Lea, 1857)

Unio ovalis var. intercedens — Gredler (1860)
Unio gredleri — Kobelt (1886), Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio villae Issel, 1872
Issel, 1872, Mem. Soc. Ital. Sci. Nat. 2: 35.

Unio villae — Issel (1872), Kobelt (1886), Germain (1931)
Unio (Groupe de l’U. villæ) villæ — Locard (1882)
Unio villæ — Bourguignat (1883), Rochebrune (1903)
Unio (Villæana) villæ — Servain (1888)
Unio (Villœana) villæ — Locard (1889)
Unio vilæ — Westerlund (1890)
Unio (Villanana) villæ — Fagot (1892)
Unio (Groupe de l’U. amblyus) villæ — Locard (1893)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)

Unio fiscallianus Kobelt, 1873
Kleciach in Kobelt, 1873, Malak. Blatt. 20: 92, text fig.

Unio fiscallianus — Kobelt (1873), Kobelt (1876), Drouët (1879), Westerlund (1890)
Unio (Groupe de l’U. platyrhynchoideus) fiscallianus — Locard (1882)
Unio (Berenguieriana) fiscallianus — Locard (1889)
Unio (sec. Lymnium) platyrhynchus — Simpson (1900), Simpson (1914)
Unio elongatulus fiscallianus — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio ceratinus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 328.

Unio ceratinus — Kobelt (1879), Drouët (1879), Westerlund (1890)
Unio (Elongatulusiana) ceratinus — Locard (1889)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio dalmaticus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 141.

Unio dalmaticus — Kobelt (1879), Drouët (1879)
Unio (Groupe de l’U. sandrii) sandrii — Locard (1882)
Unio (Sandriana) sandrii — Locard (1889)
Unio sandrii — Westerlund (1890)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio kleciaki Drouët, 1879
Drouët, 1879, J. de Conch. 27: 328.

Unio kleciaki — Kobelt (1879), Drouët (1879)
Unio (Berenguieriana) kleciaki — Locard (1889)
Unio klecaki — Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio nitidosus Drouët, 1879
Drouët, 1879, J. de Conch. 27: 140.

Unio nitidosus — Drouët (1879), Kobelt (1886), Westerlund (1890)
Unio elongatulus pallens — Haas (1940), Haas (1969)
Unio (s.s.) mancus kruperi — Bank (2006)

Unio robustus Drouët, 1879
‘Villa, in sched.’ Drouët, 1879, J. de Conch. 27: 141.
(homonym of Unio robustus Sowerby, 1840; renamed Unio larius Drouët, 1883)

Unio robustus — Drouët (1879)
Unio larius — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio brachyrhynchus Drouët, 1881
Drouët, 1881, J. de Conch. 29: 246.

Unio brachyrhynchus — Drouët (1881), Bourguignat (1883), Kobelt (1884), Paetel (1890), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio decipiens Drouët, 1881
Drouët, 1881, J. de Conch. 29: 23.

Unio decipiens — Drouët (1881), Kobelt (1886), Westerlund (1890)
Margaron (Unio) pictorum — Lea (1870)
Unio decipiens var. ? — Kobelt (1896)
Unio elongatulus decipiens — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio succineus Drouët, 1881
Drouët, 1881, J. de Conch. 29: 245.

Unio succineus — Drouët (1881), Kobelt (1886), Westerlund (1890)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio opisodartos Adami, 1882
Adami, 1882, Boll. Soc. Malac. Ital. 8: 134, pl. 0, figs. 9-10.

Unio opisodartos — Adami (1882), Bourguignat (1883), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio stephaninii Adami, 1882
Adami, 1882, Boll. Soc. Malac. Ital. 8: 129, pl. 0, figs. 1-2.

Unio stephaninii — Adami (1882), Drouët (1883), Bourguignat (1883), Westerlund (1890)
Unio stephanini — Kobelt (1886)
Unio (Holandriana) stephaninii — Locard (1889)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio veillanensis Locard, 1882
‘H. Blanc’ Locard, 1882, Prodr. Malac. Franç. 1: 292, 361.
‘H. Blanc’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 154 [48].
‘H. Blanc’ Locard, 1893, Coqu. Eau Douce Saumâtre France: 185.
Type(s): LECTOTYPE MNHN_22601, Montpellier.

Unio veillanensis — Locard (1882), Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio (Groupe de l’U. villæ) veillanensis — Locard (1882)
Unio veillanicus — Bourguignat (1883)
Unio (Villæana) veillanensis — Servain (1888)
Unio (Villœana) veillanensis — Locard (1889)
Unio (Groupe de l’U. amblyus) veilanensis — Locard (1893)
Unio villae — Germain (1931)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)

Unio benacinus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 74.

Unio benacinus — Drouët (1883), Kobelt (1886), Paetel (1890), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio brianteus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 35.

Unio brianteus — Drouët (1883), Kobelt (1886), Paetel (1890), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio callichrous Bourguignat, 1883
Letourneux in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 49.

Unio callichrous — Bourguignat (1883), Westerlund (1890)
Unio (Porniana) callichrous — Locard (1889)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)

Unio delpretei Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 23.

Unio delpretei — Bourguignat (1883), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio eucallistellus Bourguignat, 1883
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 48.
(new name for Unio pictorum var. parva Stabile, 1845)

Unio eucallistellus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio fluminalis Drouët, 1883
Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: 63, pl. 117, fig. 1148 [as ‘U. requieni’].
Drouët, 1883, Unionidae de l’Italie: 35.

Unio fluminalis — Drouët (1883)
Unio pedemontanus — Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio gredleri Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 68.

Unio gredleri — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio gurkensis Bourguignat, 1883
Ziegler in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 21.

Unio gurkensis — Bourguignat (1883), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio idrinus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 42.

Unio idrinus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio larius Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 26.
(new name for Unio robustus Drouët, 1879)

Unio larius — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio longobardus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 54.

Unio longobardus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio minusculus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 77.

Unio minusculus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio nitidus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 57.

Unio nitidus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio padanus Bourguignat, 1883
H. Blanc in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 57.

Unio padanus — Bourguignat (1883), Westerlund (1890), Baichère (1890)
Unio (Falsusiana) padanus — Locard (1889)
Unio (Groupe de l’U. gestroianus) padanus — Locard (1893)
Unio requieni — Germain (1931)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio mancus requienii — Prie (2012)
Unio elongatulus — Marrone et al. (2019)

Unio pedemontanus Bourguignat, 1883
Kobelt, 1876, Icon. Land- und Süssw.-Moll. 4: 63, pl. 117, fig. 1148 [as ‘U. requienii].
Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 60.

Unio pedemontanus — Bourguignat (1883), Westerlund (1890)
Unio (Rostratiana) pedemontanus — Locard (1889)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)

Unio sebinensis Bourguignat, 1883
Uzielli in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 13.

Unio sebinensis — Bourguignat (1883), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio siliquatus Drouët, 1883
Drouët, 1883, Unionidae de l’Italie: 66.

Unio siliquatus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio strobeli Bourguignat, 1883
Uzielli in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 58.

Unio strobeli — Bourguignat (1883), Westerlund (1890)
Unio (Falsusiana) strobeli — Locard (1889)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio subcylindricus Drouët, 1883
‘Pini, in sched.’ Drouët, 1883, Unionidae de l’Italie: 34.

Unio subcylindricus — Drouët (1883), Kobelt (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio veillanicus Bourguignat, 1883
‘H. Blanc’ Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 32.
(error for Unio veillanensis Locard, 1882)

Unio veillanicus — Bourguignat (1883)
Unio elongatulus — Marrone et al. (2019)

Unio verbanicus Bourguignat, 1883
Letourneux in Bourguignat, 1883, Aperçu Unionid. Pénins. Ital.: 18.

Unio verbanicus — Bourguignat (1883), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio cusianus Pini, 1884
Pini, 1884, Atti Soc. Ital. Sci. Nat. 27: 82, text fig.

Unio cusianus — Pini (1884), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio rusticus Pini, 1884
Pini, 1884, Atti Soc. Ital. Sci. Nat. 27: 80, text figs.
(homonym of Unio rusticus Lea, 1856)

Unio rusticus — Pini (1884), Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio athesinus Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 236, figs. 16-17.

Unio athesinus — Kobelt (1886), Adami (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio bourguignatianus Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 234, figs. 13-14.
(homonym of Unio bourguignatianus Lea, 1863; renamed Unio magistri Westerlund, 1890)

Unio bourguignatianus — Adami (1886)
Unio magistri — Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio cristophori Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 242, figs. 24-25.

Unio cristophori — Adami (1886)
Unio (Villæana) christophori — Servain (1888)
Unio (Villœana) cristoforii — Locard (1889)
Unio christophori — Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio gredleri Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 245, fig. 22.
(homonym of Unio gredleri Drouët, 1883; renamed Unio humerosus Westerlund, 1890)

Unio gredleri — Adami (1886)
Unio humerosus — Westerlund (1890)

Unio piccinellii Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 239, figs. 18-19.

Unio piccinellii — Adami (1886), Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio ruffonii Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 248, figs. 26-27.

Unio ruffonii — Kobelt (1886), Adami (1886), Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio tommasii Adami, 1886
Adami, 1886, Boll. Soc. Malac. Ital. 11: 241, figs. 20-21.

Unio tommasii — Adami (1886)
Unio gredleri — Westerlund (1890)
Unio elongatulus — Marrone et al. (2019)

Unio christophori Servain, 1888
‘Adam’ of Authors.
Servain, 1888, Bull. Soc. Malac. France 5: 319.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 168.
(error for Unio cristophori Adami, 1886)

Unio christophori — Servain (1888)

Unio cristoforii Locard, 1889
‘Adami’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 153 [47].
(error for Unio cristophori Adami, 1886)

Unio cristoforii — Locard (1889)

Unio palleus Locard, 1889
‘Parreys’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 156 [50].
(error for Unio pallens Rossmässler, 1842)

Unio palleus — Locard (1889)

Unio humerosus Westerlund, 1890
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 136.
(homonym of Unio humerosus Lea, 1868; new name for Unio gredleri Adami, 1886)

Unio humerosus — Westerlund (1890)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio klecaki Westerlund, 1890
‘Drouët’ Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 114.
(error for Unio kleciaki Drouët, 1879)

Unio klecaki — Westerlund (1890)

Unio lijacensis Kobelt, 1890
Kobelt, 1890, Icon. Land- und Süssw.-Moll. 4: 94, pl. 117, figs. 706, 708.

Unio lijacensis — Kobelt (1890)
Unio elongatulus elongatulus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio magistri Westerlund, 1890
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 132.
(new name for Unio bourguignatianus Adami, 1886)

Unio magistri — Westerlund (1890)

Unio lijacensis var. gallensteini Kobelt, 1890
Kobelt, 1890, Icon. Land- und Süssw.-Moll. 4: 94, pl. 117, fig. 707.
(intro'd as intra-sp. of Unio lijacensis Kobelt, 1890)
Type(s): TYPE SMF_4353, Gösselsdorfer See, Kärnten [Austria].

Unio lijacensis var. gallensteini — Kobelt (1890)
Unio elongatulus elongatulus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio veilanensis Locard, 1893
‘Blanc’ of Authors.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 185.
Germain, 1931, Faune de France 22: 735.
(error for Unio veillanensis Locard, 1882)

Unio veilanensis — Locard (1893)

Unio athesinus var. trilacensis Gredler, 1894
Gredler, 1894, Slebstvelag der Lehranstalt 8: ??.
(intro'd as intra-sp. of Unio athesinus Adami, 1886)

Unio athesinus var. trilacensis — Gredler (1894)
Unio elongatulus — Marrone et al. (2019)

Unio humerosus var. monticellensis Gredler, 1894
Gredler, 1894, Slebstvelag der Lehranstalt 8: ??.
(intro'd as intra-sp. of Unio humerosus Westerlund, 1890)

Unio humerosus var. monticellensis — Gredler (1894)
Unio elongatulus — Marrone et al. (2019)

Unio limosus var. arcensis Gredler, 1894
Gredler, 1894, Slebstvelag der Lehranstalt 8: ??.
(intro'd as intra-sp. of Unio limosus Nilsson, 1822)

Unio limosus var. arcensis — Gredler (1894)
Unio elongatulus — Marrone et al. (2019)

Unio limosus var. costanus Gredler, 1894
Tiesenhausen in Gredler, 1894, Slebstvelag der Lehranstalt 8: 35.
(intro'd as intra-sp. of Unio limosus Nilsson, 1822)

Unio limosus var. costanus — Gredler (1894)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio copaisanus Drouët, 1895
‘Clessin, in sched.’ Drouët, 1895, J. de Conch. 43: 27, sp. 102.

Unio copaisanus — Drouët (1895)
Unio copaïsanus — Kobelt (1896)
Unio elongatulus quelleneci — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio (s.s.) mancus kruperi — Bank (2006)

Unio directus Drouët, 1895
Drouët, 1895, J. de Conch. 43: 30, sp. 106.

Unio directus — Drouët (1895), Kobelt (1896)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio palustris Drouët, 1895
Drouët, 1895, J. de Conch. 43: 31, sp. 107.

Unio palustris — Drouët (1895), Kobelt (1896)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio segregatus Drouët, 1895
‘Monterosato, in sched.’ Drouët, 1895, J. de Conch. 43: 29, sp. 104.

Unio segregatus — Drouët (1895), Kobelt (1896)
Unio elongatulus — Marrone et al. (2019)

Unio thermalis Drouët, 1895
‘Monterosato, in sched.’ Drouët, 1895, J. de Conch. 43: 29, sp. 105.

Unio thermalis — Drouët (1895), Kobelt (1896)
Unio (Porniana) gestroianus — Locard (1889)
Unio elongatulus rousii — Haas (1940)
Unio elongatulus — Marrone et al. (2019)

Unio quellencci Kobelt, 1896
‘Drouët’ Kobelt, 1896, Icon. Land- und Süssw.-Moll. 7: 100.
(error for Unio quellenneci Drouët, 1895)

Unio quellencci — Kobelt (1896)

Unio quelleneci Kobelt, 1896
‘Drouët’ Kobelt, 1896, Icon. Land- und Süssw.-Moll. 7: 100.
‘Drouet’ Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 125.
(error for Unio quellenneci Drouët, 1895)

Unio quelleneci — Kobelt (1896)

Unio istrianus Stossich, 1899
Stossich, 1899, Boll. Soc. adriatica scienze nat. Trieste 19: 50, text fig.

Unio istrianus — Stossich (1899)
Unio elongatulus — Marrone et al. (2019)

Unio destructilis Kobelt, 1915
‘Villa’ Rossmässler, 1844, Icon. Land- und Süssw.-Moll. 2 (6): 31. [nomen nudum]
Villa in Kobelt, 1915, Icon. Land- und Süssw.-Moll. 20: 14, pl. 545, fig. 2781.

Unio destructilis — Kobelt (1915)
Unio moquinianus — 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 elongatulus glaucinus — Haas (1940), Haas (1969)

Unio morlachicus Kobelt, 1915
Kobelt, 1915, Icon. Land- und Süssw.-Moll. 20: 11, pl. 544, figs. 2774-2776.

Unio morlachicus — Kobelt (1915)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus pallens — Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio humerosus var. elongata Kobelt, 1915
Kobelt, 1915, Icon. Land- und Süssw.-Moll. 20: 9, pl. 542, fig. 2770.
(homonym of Unio elongata Lamarck, 1819; intro'd as intra-sp. of Unio humerosus Westerlund, 1890)

Unio humerosus var. elongata — Kobelt (1915)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio humerosus var. roboretana Kobelt, 1915
Kobelt, 1915, Icon. Land- und Süssw.-Moll. 20: 8, pl. 542, fig. 2769.
(intro'd as intra-sp. of Unio humerosus Westerlund, 1890)

Unio humerosus var. roboretana — Kobelt (1915)
Unio elongatulus glaucinus — Haas (1940), Haas (1969)
Unio elongatulus — Marrone et al. (2019)

Unio mancus var. elongatus Germain, 1931
‘Mühlfeld’ Germain, 1931, Faune de France 22: 725.
(error for Unio elongatulus Rossmässler, 1835)

Unio mancus var. elongatus — Germain (1931)

Unio sabinensis Haas, 1940
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 127.
(error for Unio sebinensis Bourguignat, 1883)

Unio sabinensis — Haas (1940)

Taxonomic History (since 1900)

Unio (sec. Lymnium) elongatulus — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) batavus — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) turtoni — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) platyrhynchus — Simpson (1900), Simpson (1914)
Unio elongatulus — Rochebrune (1903), Haas (1924), Van Damme (1984), Mandahl-Barth (1988), ..., Wu et al. (2023), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Unio villæ — Rochebrune (1903)
Unio (Groupe des Elongatulusiana) elongatulus — Caziot (1907)
Unio destructilis — Kobelt (1915)
Unio morlachicus — Kobelt (1915)
Unio humerosus var. elongata — Kobelt (1915)
Unio humerosus var. roboretana — Kobelt (1915)
Unio blauneri — Haas (1924)
Unio mancus var. elongatulus — Germain (1931)
Unio crassus — Germain (1931)
Unio villae — Germain (1931)
Unio requieni — Germain (1931)
Unio mancus var. elongatus — Germain (1931)
Unio elongatulus elongatulus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus glaucinus — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus pallens — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio elongatulus sandrii — Haas (1940)
Unio elongatulus fiscallianus — Haas (1940)
Unio elongatulus kruperi — Haas (1940)
Unio elongatulus decipiens — Haas (1940)
Unio elongatulus requienii — Haas (1940), Haas (1969)
Unio elongatulus quelleneci — Haas (1940)
Unio elongatulus rousii — Haas (1940)
Unio sabinensis — Haas (1940)
Unio elongatus — Haas (1952)
Unio (s.s.) mancus kruperi — Falkner (1994), Bank (2006)
Unio mancus — Nagel et al. (1998), Araujo et al. (2005), Graf & Cummings (2007), Graf & Cummings (2011), IUCN (2014), Araujo et al. (2018)
Unio (s.s.) mancus glaucinus — Falkner et al. (2001)
Unio mancus requienii — Prie (2012)
Unio pictorum — He & Zhuang (2013)
Unio cf. elongatulus — Lopes-Lima et al. (2017)
Unio mancus pallens — Lopes-Lima et al. (2017)