Unio Retzius, 1788
Philipsson in Retzius, 1788, Diss. Nat.-Hist. Test. Gen.: 16.
(renamed Unionea Rafinesque, 1815)
Type species: Mya pictorum Linnaeus, 1758 (subsequent designation) = Unio pictorum

Limnaea Poli, 1791
Poli, 1791, Testacea Utriusque Siciliae 1: 31.
(renamed Limella Rafinesque, 1815)
Type species: Mya pictorum Linnaeus, 1758 (original designation) = Unio pictorum

Limnaeoderma Poli, 1795
Poli, 1795, Testacea Utriusque Siciliae 2: 253, 259.
Type species: Mya pictorum Linnaeus, 1758 (herein) = Unio pictorum

Uniigenus Renier, 1807
Renier, 1807, Tav. Class. Anim.: tab. vii. [suppressed]

Limella Rafinesque, 1815
Rafinesque, 1815, Analyse Nat.: 147.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 20.
(new name for Limnaea Poli, 1791)

Lymnea Rafinesque, 1815
‘Poli’ of Authors.
Rafinesque, 1815, Analyse Nat.: 147.
Gray, 1847, Proc. Zool. Soc. London 15: 196.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 20.
(error for Limnaea Poli, 1791)

Lymnium Oken, 1815
Oken, 1815, Lehrb. Naturg. 3: 237.
Type species: Mya pictorum Linnaeus, 1758 (original designation) = Unio pictorum

Unionea Rafinesque, 1815
Rafinesque, 1815, Analyse Nat.: 147.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 20.
(new name for Unio Retzius, 1788)

Mysca Turton, 1822
Turton, 1822, Conch. Ins. Brit.: 243.
(renamed Myisca Agassiz, 1846)

Unino Fabricus, 1823
Fabricus, 1823, Fortegnelse: 53.
(error for Unio Retzius, 1788)

Unico Reider & Hahn, 1831
Reider & Hahn, 1831, F. Boica (Gewürme): ??.
(error for Unio Retzius, 1788)

Margarita Lea, 1836
Lea, 1836, Synopsis Fam. Naiades: 10.
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 118.
Lea, 1838, Synopsis Fam. Naiades: 13.
(homonym of Leach, 1814 [Pteriidae]; renamed Margaron Lea, 1852)
Type species: Mya pictorum Linnaeus, 1758 (herein) = Unio pictorum

Luticola Agassiz, 1845
‘Goldfuss’ Agassiz, 1845, Nom. Syst. Gen. Moll.: 51.
‘Goldfuss’ Agassiz, 1846, Nomencl. Zool. Index Univ.: 217.
(intro'd as syn. of Unio Retzius, 1788)

Limnium Agassiz, 1846
‘Oken’ Agassiz, 1846, Nomencl. Zool. Index Univ.: 211.
‘Oken’ Stabile, 1859, Atti soc. geol. Milano 1: 170.
‘Oken’ Pallary, 1939, Mém. Inst. Égypte 39: 120.
(error for Lymnium Oken, 1815)

Limnoderma Herrmannsen, 1846
Herrmannsen, 1846, Ind. Gener. Malacol. 1: 58.
(error for Limnaeoderma Poli, 1795)

Myisca Agassiz, 1846
Agassiz, 1846, Nomencl. Zool. Index Univ.: 242.
(new name for Mysca Turton, 1822)

Chondrostes Gistl, 1847
Gistl, 1847, Naturgesch. Thierreich Höhere Schulen 1850: 617.
Gistl, 1848, Naturgesch. Thierreich Höhere Schulen: 188.
Type species: Mya pictorum Linnaeus, 1758 (original designation) = Unio pictorum

Diconcha Herrmannsen, 1847
Klein, 1753, Tent. Method. Ostrac., etc.: 145. [pre-linnaean]
Herrmannsen, 1847, Ind. Gener. Malacol. 1: 386.
(intro'd as syn. of Unio Retzius, 1788)

Lymneum Gray, 1847
‘Oken’ Gray, 1847, Proc. Zool. Soc. London 15: 196.
(error for Lymnium Oken, 1815)

Lymnoderma Gray, 1847
‘Poli’ Gray, 1847, Proc. Zool. Soc. London 15: 196.
(error for Limnaeoderma Poli, 1795)

Mysia Gray, 1847
‘Turton’ Gray, 1847, Proc. Zool. Soc. London 15: 196.
(error for Mysca Turton, 1822)

Limnea Dupuy, 1852
Dupuy, 1852, Hist. Natur. Moll. France (6): 598.
(error for Limnaea Poli, 1791)
Type species: Mya pictorum Linnaeus, 1758 () = Unio pictorum

Margaron Lea, 1852
Lea, 1852, Synopsis Fam. Naiades: 17.
Lea, 1870, Synopsis Fam. Naiades: 25.
(new name for Margarita Lea, 1836)
Type species: Mya pictorum Linnaeus, 1758 (herein) = Unio pictorum

Mysea Dupuy, 1852
‘Turton’ of Authors.
Dupuy, 1852, Hist. Natur. Moll. France (6): 637.
Germain, 1931, Faune de France 22: 721.
(error for Mysca Turton, 1822)

Limnoica Gray, 1857
Gray, 1857, Fig. Moll. Animals 5: 37.
Type species: Limnoica linearis Gray, 1857 (monotypy) = Unio pictorum

Limnaeodorma Schaufuss, 1869
Schaufuss, 1869, Moll. Syst. Cat. Paetel 7: 21.
(error for Limnaeoderma Poli, 1795)

Bataviana Servain, 1882
Servain, 1882, Hist. Moll. Acéph. Francfort: 21.
Servain, 1888, Bull. Soc. Malac. France 5: 316.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio matronicus Locard, 1882 (sub. desig. by Graf, 2010: 8) = Unio crassus

Crassiana Servain, 1882
Servain, 1882, Hist. Moll. Acéph. Francfort: 21.
Servain, 1888, Bull. Soc. Malac. France 5: 315.
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 29 [135].
(homonym of Bourguignat, 1884 [Thiaridae]; intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio crassus Retzius, 1788 (sub. desig. by Locard, 1889: 29) = Unio crassus

Galliciana Servain, 1882
Servain, 1882, Hist. Moll. Acéph. Francfort: 21.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio jourdheuili Locard, 1882 (monotypy) = Unio mancus

Limosiana Servain, 1882
Servain, 1882, Hist. Moll. Acéph. Francfort: 21.
(homonym of Servain, 1881 [Lymnaeidae]; intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio limosus Nilsson, 1822 (monotypy) = Unio pictorum

Rostratiana Servain, 1882
Servain, 1882, Hist. Moll. Acéph. Francfort: 21.
Servain, 1888, Bull. Soc. Malac. France 5: 322.
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 65 [171].
(intro'd as sub-gen. of Unio Retzius, 1788; homonym of Bourguignat, 1881)
Type species: Unio rostrata Lamarck, 1819 (sub. desig. by Locard, 1889: 65) = Unio pictorum

Tumidiana Servain, 1882
Servain, 1882, Hist. Moll. Acéph. Francfort: 21.
Servain, 1888, Bull. Soc. Malac. France 5: 323.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio tumidus Retzius, 1788 (sub. desig. by Kantor & Sysoev, 2005: 327) = Unio tumidus

Unis Hutton, 1882
Hutton, 1882, New Zealand J. Sci. Techn. 1: 478.
(error for Unio Retzius, 1788)

Amniciana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 315.
(intro'd as sub-gen. of Unio Retzius, 1788; homonym of Servain, 1888)
Type species: Unio amnicus Rossmässler, 1836 (sub. desig. by Graf, 2010: 7) = Unio nanus

Falsiana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 319.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio falsus Locard, 1882 (sub. desig. by Graf, 2010: 11) = Unio pictorum

Muciduliana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 319.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio mucidulus Locard, 1882 (sub. desig. by Graf, 2010: 15) = Unio mancus

Schroederiana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 321.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio schroederi Schröder, 1885 (sub. desig. by Graf, 2010: 18) = Unio tumidus

Villaeana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 318.
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 47 [153] [as ‘Villœana’].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio villae Issel, 1872 (sub. desig. by Locard, 1889: 47) = Unio elongatulus

Aegericiana Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 63 [169].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio aegericus Locard, 1889 (monotypy) = Unio mancus

Alpecanusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 71 [177].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio alpecanus Locard, 1882 (orig. desig.) = Unio tumidus

Amnicusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 30 [136].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio amnicus Rossmässler, 1836 (orig. desig.) = Unio nanus

Asticusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 62 [168].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio asticus Servain, 1887 (orig. desig.) = Unio mancus

Ateriana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 40 [146].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio ater Nilsson, 1822 (orig. desig.) = Unio crassus

Batavusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 35 [141].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Mya batava Maton & Rackett, 1807 (orig. desig.) = Unio crassus

Berenguieriana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 47 [153].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio berenguieri Locard, 1882 (orig. desig.) = Unio mancus

Brebissoniana Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 152.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio brebissoni Locard, 1889 (orig. desig.) = Unio pictorum

Courquiniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 58 [164].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio courquinianus Bourguignat, 1865 (orig. desig.) = Unio mancus

Cyrtusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 59 [165].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio campylus Locard, 1889 (sub. desig. by Graf, 2010: 10) = Unio mancus

Desfontainiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 58 [164].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio oesiacus Locard, 1889 (monotypy) = Unio mancus

Ellipsopsisiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 34 [140].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio ryckholtii Malzine, 1867 (sub. desig. by Graf, 2010: 10) = Unio crassus

Elongatulusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 33 [139].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio elongatula C. Pfeiffer, 1825 (orig. desig.) = Unio elongatulus

Eydyusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 71 [177].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio edyus Locard, 1882 (orig. desig.) = Unio tumidus

Falsusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 55 [161].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio falsus Locard, 1882 (orig. desig.) = Unio pictorum

Fusculusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 26 [132].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio fusculus Rossmässler, 1836 (orig. desig.) = Unio nanus

Gallicusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 48 [154].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio gallicus Locard, 1882 (orig. desig.) = Unio mancus

Granigeriana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 63 [169].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio graniger J.F. Schmidt, 1840 (orig. desig.) = Unio pictorum

Heckingiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 72 [178].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio tumidus var. heckingi Colbeau, 1868 (orig. desig.) = Unio tumidus

Hispaniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 64 [170].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio hispanus Rossmässler, 1844 (orig. desig.) = Unio delphinus

Holandriana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 61 [167].
(homonym of Bourguignat, 1884 [Thiaridae]; intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio holandrei Locard, 1882 (orig. desig.) = Unio mancus

Jacqueminiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 49 [155].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio jacqueminii Dupuy, 1849 (orig. desig.) = Unio mancus

Joannisiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 57 [163].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio joannisi Locard, 1882 (orig. desig.) = Unio mancus

Jousseaumeana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 63 [169].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio jousseaumei Locard, 1882 (orig. desig.) = Unio pictorum

Lemotheuxiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 39 [145].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio lemotheuxi Locard, 1889 (orig. desig.) = Unio crassus

Locardiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 32 [138].
(homonym of Bourguignat, 1884 [Gastrop.]; intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio locardianus Locard, 1882 (orig. desig.) = Unio crassus

Mancusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 22 [128].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio manca Lamarck, 1819 (orig. desig.) = Unio mancus

Mariana Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 159.
(homonym of Quoy & Gaimard, 1825 [Tunicata]; intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio mariae Locard, 1889 (orig. desig.) = Unio crassus

Melasiana Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 22 [128].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio melas Locard, 1882 (orig. desig.) = Unio nanus

Meretricisiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 50 [156].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio meretricis Locard, 1882 (orig. desig.) = Unio mancus

Moquiniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 46 [152].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio moquinianus Dupuy, 1843 (orig. desig.) = Unio mancus

Moreletiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 46 [152].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio moreleti Deshayes, 1847 (sub. desig. by Graf, 2010: 15) = Unio ravoisieri

Mucidusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 54 [160].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio mucidus Morelet, 1845 (orig. desig.) = Unio delphinus

Nanusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 21 [127].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio nana Lamarck, 1819 (orig. desig.) = Unio nanus

Nubilusiana Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 32 [138].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio nubilus Locard, 1889 (orig. desig.) = Unio nanus

Penchinatiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 25 [131].
(homonym of Fagot, 1891 [Clausiliidae & Helicidae]; intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio penchinatianus Bourguignat, 1865 (orig. desig.) = Unio ravoisieri

Pisaniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 40 [146].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio pisanus Bourguignat, 1883 (orig. desig.) = Unio mancus

Platyrhynchoidiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 48 [154].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio platyrinchoideus Dupuy, 1849 (orig. desig.) = Unio pictorum

Porniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 53 [159].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio pornae Locard, 1882 (orig. desig.) = Unio mancus

Requieniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 51 [157].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio requienii Michaud, 1831 (orig. desig.) = Unio mancus

Saintsimoniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 52 [158] [as ‘Saint-Simoniana’].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio saintsimonianus Locard, 1882 (orig. desig.) = Unio mancus

Sandriana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 25 [131].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio sandrii Rossmässler, 1844 (sub. desig. by Graf, 2010: 18) = Unio elongatulus

Socardiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 28 [134].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio socardianus Locard, 1882 (orig. desig.) = Unio nanus

Sperchinusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 35 [141].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio nicolloni Locard, 1889 (monotypy) = Unio crassus

Tumidusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 69 [175].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio tumidus Retzius, 1788 (orig. desig.) = Unio tumidus

Turtoniana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 43 [149].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio turtonii Payraudeau, 1826 (orig. desig.) = Unio mancus

Vinceleusiana Locard, 1889
‘Bourguignat MS’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 59 [165].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio pictorum var. vinceleus de Joannis, 1859 (orig. desig.) = Unio tumidus

Villanana Fagot, 1892
Fagot, 1892, Bull. Soc. Ramond 27: 38.
Fagot, 1893, Bull. Soc. Ramond 28: 258.
(error for Villaeana Servain, 1888)

Cafferia Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 824.
Simpson, 1914, Descr. Cat. Naiades: 574.
(intro'd as sub-gen. of Nodularia Conrad, 1853)
Type species: Unio caffer Krauss, 1848 (orig. desig.) = Unio caffer

Hollandriana Germain, 1904
‘Bourguignat’ Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 278.
(error for Holandriana Locard, 1889)

Vincelotiana Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 276 [38].
(new name for Vinceleusiana Locard, 1889)

Ninusiana Caziot, 1907
‘Bourg.’ Caziot, 1907, Bull. Soc. Sci. Hist. Nat. Yonne 60: 276.
(error for Nanusiana Locard, 1889)

Vincelensiana Caziot, 1907
‘Bourg.’ Caziot, 1907, Bull. Soc. Sci. Hist. Nat. Yonne 60: 276.
(error for Vinceleusiana Locard, 1889)

Berenguiereana Caziot, 1910
Caziot, 1910, Étude Moll. Princip. Monaco: 543.
(error for Berenguieriana Locard, 1889)

Berenguieriane Caziot, 1910
Caziot, 1910, Étude Moll. Princip. Monaco: 483.
(error for Berenguieriana Locard, 1889)

Eolymnium Prashad, 1919
Prashad, 1919, Rec. Ind. Mus. 16: 410.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio terminalis Bourguignat, 1852 (orig. desig.) = Unio terminalis

Limaea Rosén, 1925
Rosén, 1925, Arch. Moll. 57: 114.
(error for Limnaea Poli, 1791)

Margoran Kennard & Woodward, 1926
Kennard & Woodward, 1926, Syn. Brit. non-marine Moll.: 328.
(error for Margaron Lea, 1852)

Heterunio Lindholm, 1932
Lindholm, 1932, Trans. United Geol. Prosp. Serv. USSR 238: 32, 38.
Type species: Unio exquisitus Lindholm, 1932 (orig. desig.) = Unio exquisitus

Sculptunio Lindholm, 1932
Lindholm, 1932, Trans. United Geol. Prosp. Serv. USSR 238: 20, 24.
Type species: Unio bituberculosus Martens, 1874 (orig. desig.) = Unio bituberculosus

Tuberunio Lindholm, 1932
Lindholm, 1932, Trans. United Geol. Prosp. Serv. USSR 238: 33, 38.
Type species: Tuberunio uniseralis Lindholm, 1932 () = Unio uniseralis

Nemrodia Pallary, 1939
Pallary, 1939, Mém. Inst. Égypte 39: 116.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio tigridis Bourguignat, 1852 (sub. desig. by of Authors, 0) = Unio tigridis

Nemrodiana Pallary, 1939
Pallary, 1939, Mém. Inst. Égypte 39: 119.
(error for Nemrodia Pallary, 1939)

Tumidunio Jatzko, 1962
Jatzko, 1962, Tr. Odesskogo gos. Univ. (Geol. Geogr.) 152(8): 11.
Type species: Unio tumidus Retzius, 1788 () = Unio tumidus

Crassunio Modell, 1964
Modell, 1964, Arch. Moll. 93: 118.
Type species: Unio crassus Retzius, 1788 (orig. desig.) = Unio crassus

Linnaea Modell, 1964
‘Poli’ Modell, 1964, Arch. Moll. 93: 115.
(error for Limnaea Poli, 1791)

Chondrostea Haas, 1969
‘Gistl, 1848’ Haas, 1969, Treatise on Invert. Paleo: N415.
(error for Chondrostes Gistl, 1847)

Despontainiana Cox et al., 1969
‘Locard’ Cox et al., 1969, Treatise on Invert. Paleo 2: N862.
(error for Desfontainiana Locard, 1889)

Ellipsopsiana Cox et al., 1969
‘Locard’ Cox et al., 1969, Treatise on Invert. Paleo 2: N862.
(error for Ellipsopsisiana Locard, 1889)

Perniana Cox et al., 1969
‘Locard’ Cox et al., 1969, Treatise on Invert. Paleo 2: N862.
(error for Porniana Locard, 1889)

Viliaeana Cox et al., 1969
‘Locard’ Cox et al., 1969, Treatise on Invert. Paleo 2: N863.
(error for Villaeana Servain, 1888)

Consentunio Jatzko, 1972
Jatzko, 1972, Naiads of Up. Cenozoic S.W. Ukraina & Moldavia: 11.
Type species: Unio crassus Retzius, 1788 () = Unio crassus

Pictunio Jatzko, 1972
Jatzko, 1962, Tr. Odesskogo gos. Univ. (Geol. Geogr.) 152(8): 50. [nomen nudum]
Jatzko, 1972, Naiads of Up. Cenozoic S.W. Ukraina & Moldavia: 11.

Shadininaia Zatravkin, 1983
Starobogatov in Zatravkin, 1983, [in] I.M. Likharev, Molluscs: 40.
(intro'd as sub-gen. of Eolymnium Prashad, 1919)
Type species: Unio byzantinus Drouët, 1879 (orig. desig.) = Unio vicarius

Vilaeana Millard, 2001
‘Bourguignat, Locard’ Millard, 2001, Class. Moll. (3): 1078.
(error for Villaeana Servain, 1888)

Taxonomic History (since 1900)

Unio (sec. Lymnium) — Simpson (1900), Simpson (1914)
Lampsilis (sec. Eurynia) — Simpson (1900)
Quadrula (sec. Fusconaia) — Simpson (1900), Simpson (1914)
Diplodon (Hyridella s.s.) — Simpson (1900), Simpson (1914)
Margaritana — Simpson (1900), Simpson (1914), Germain (1931)
Nodularia (sec. Cælatura [sic]) — Simpson (1900), Simpson (1914)
Nodularia (sec. Cafferia) — Simpson (1900)
— Simpson (1900), Germain (1904), Kobelt (1910), Simpson (1914), ..., Bank (2006), Vinarski & Kantor (2016), Araujo et al. (2018), Lopes-Lima et al. (2024)
Unio — Simpson (1900), Kobelt (1902), Rochebrune (1903), Kobelt (1903), ..., Wu et al. (2024), Zieritz et al. (2024), Dai et al. (2024), Wu et al. (2024)
Unio (Nephronaias) — Martens (1900)
Unio (Rhomboïdiana) — Germain (1904)
Unio (Melasiana) — Germain (1904)
Unio (Mancusiana) — Germain (1904)
Unio (Fusculusiana) — Germain (1904)
Unio (Socardiana) — Germain (1904)
Unio (Batavusiana) — Germain (1904)
Unio (Lemotheuxiana) — Germain (1904), Caziot (1910)
Unio (Ateriana) — Germain (1904)
Unio (Moreletiana) — Germain (1904)
Unio (Meretricisiana) — Germain (1904)
Unio (Requieniana) — Germain (1904)
Unio (Saint-simoniana) — Germain (1904)
Unio (Porniana) — Germain (1904)
Unio (Falsusiana) — Germain (1904)
Unio (Joannisiana) — Germain (1904)
Unio (Cyrtusiana) — Germain (1904)
Unio (Vincelotiana) — Germain (1904)
Unio (Hollandriana) [sic] — Germain (1904)
Unio (Hispaniana) — Germain (1904)
Unio (Rostratiana) — Germain (1904)
Unio (Alpecanusiana) — Germain (1904)
Unio (Groupe des Ninusiana) [sic] — Caziot (1907)
Unio (Groupe des Mancusiana) — Caziot (1907)
Unio (Groupe des Amnicusiana) — Caziot (1907)
Unio (Groupe des Elongatulusiana) — Caziot (1907)
Unio (Groupe des Batavusiana) — Caziot (1907)
Unio (Groupe des Ateriana) — Caziot (1907)
Unio (Groupe des Requieniana) — Caziot (1907)
Unio (Groupe des Falsusiana) — Caziot (1907)
Unio (Groupe des Vincelensiana) [sic] — Caziot (1907)
Unio (Groupe Tumidusiana) — Caziot (1907)
Nodularia (Cælatura [sic]) — Pallary (1909)
Nodularia (Coelatura) — Kobelt (1910)
Nodularia (Cafferia) — Kobelt (1910)
Unio (Turtoniana) — Caziot (1910)
Unio (Berenguieriane) [sic] — Caziot (1910)
Lampsilis (Eurynia) — Simpson (1914)
Unio (sec. Cafferia) — Simpson (1914)
Rectidens — Haas (1914), Haas (1969)
Nodularia — Simpson (1914)
Unio (Eolymnium) — Prashad (1919), Haas (1969), Vinarski & Kantor (2016)
Cælatura [sic] (Iaronia) — Pallary (1924)
Cafferia — Connolly (1925), Connolly (1931), Haas (1936), Modell (1942), ..., Bogan (2010), Graf & Cummings (2011), Reis et al. (2013), Marshall et al. (2014)
Quadrula (Obliquata) — Frierson (1927)
Lampsilis (Cyrtonaias) — Frierson (1927)
Unio (Cafferia) — Pilsbry & Bequaert (1927), Thiele (1934), Connolly (1939), Graf (2002)
Vetulonaia — Branson (1935)
Unio (s.s.) — Zhadin (1938), Haas (1969), Zatravkin (1983), Stadnichenko (1984), ..., Falkner et al. (2002), Graf (2002), Bank (2006), Vinarski & Kantor (2016)
Psilunio — Zhadin (1938), Haas (1940), Daget (1998), Sonowal et al. (2021)
Unio (Nemrodia) — Pallary (1939)
Unio (Limnium) [sic] — Pallary (1939)
Venustaconcha — Modell (1957)
Glebula — Modell (1957)
Medionidus — Modell (1957)
Dysnomia (Penita) — Modell (1957)
Hyridella (Echyridella) — McMichael & Hiscock (1958), Haas (1969)
Potomida — Haas (1969), Zatravkin (1983), Zatravkin (1987), Falkner (1994), Graf (2007), Kantor et al. (2010), IUCN (2014), Vinarski & Kantor (2016)
Unio (Heterunio) — Haas (1969)
Unio (Sculptunio) — Haas (1969)
Unio (Tuberunio) — Haas (1969)
Sculptunio — Starobogatov (1970)
Tuberunio — Starobogatov (1970)
Unio (Limnium) — Biggs (1971)
Crassiana — Akromovski (1976), Kantor & Sysoev (2005), Kantor et al. (2010)
Eolymnium (s.s.) — Zatravkin (1983)
Eolymnium (Shadininaia) — Zatravkin (1983), Zatravkin (1987), Korniushin (1998)
Batavusiana (s.s.) — Zatravkin (1983), Stadnichenko (1984), Zatravkin (1987), Korniushin (1998)
Batavusiana (Crassunio) — Zatravkin (1983), Stadnichenko (1984), Zatravkin (1987)
Unio (Tumidusiana) — Zatravkin (1983), Stadnichenko (1984), Korniushin (1998)
Unio (Crassunio) — Falkner (1994), Bank (2006)
Pleurobema — Parmalee & Bogan (1998), Williams et al. (2008)
Batavusiana (Crassiana) — Korniushin (1998)
“Unio” — Evanoff et al. (1998)
Unio (Crassiana) — Falkner et al. (2001), Falkner et al. (2002), Vinarski & Kantor (2016)
Tumidiana — Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010)
Crassiana (s.s.) — Starobogatov et al. (2004)
Crassiana (Bataviana) — Starobogatov et al. (2004)
Eolymnium — Kantor et al. (2010)
‘Unio’ — Delvene et al. (2016)