Unio tumidus Retzius, 1788
Philipsson in Retzius, 1788, Diss. Nat.-Hist. Test. Gen.: 17.

Unio tumidus — Retzius (1788), Spengler (1793), Schumacher (1817), Nilsson (1822), ..., Lopes-Lima et al. (2024), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Unio tumida — Férussac (1827), Kickx (1830)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Mysca tumida — Schlüter (1838)
Margaron (Unio) tumidus — Lea (1852), Lea (1870)
Unio (Rostrati) tumidus — Dupuy (1852)
Unio (Mysca) tumidus — Mörch (1853), Mörch (1863)
Unio (Lymnium) tumidus — Moquin-Tandon (1855)
Unio (Tumidiana) tumidus — Servain (1882), Servain (1888)
Unio (Groupe de l’U. tumidus) tumidus — Locard (1882), Locard (1893)
Unio (Limnium s.s.) tumidus — Fischer (1887)
Unio (Tumidusiana) tumidus — Locard (1889), Zatravkin (1983), Korniushin (1998)
Unio (s.s.) tumidus — Paetel (1890), Zhadin (1938), Vinarski & Kantor (2016)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio (Groupe Tumidusiana) tumidus — Caziot (1907)
Unio tumidus tumidus — Haas (1940), Haas (1969), Fauna Europaea (2012), Lopes-Lima et al. (2017), Bogatov (2022)
Unio (s.s.) tumidus tumidus — Falkner et al. (2001), Falkner et al. (2002)
Tumidiana tumida — Starobogatov et al. (2004)
Tumidiana tumida tumida — Kantor & Sysoev (2005), Kantor et al. (2010)
Unio tumidu — Li et al. (2010)

Unio conus Spengler, 1793
Lister, 1685, Conch.: pl. 146, fig. 1. [pre-linnaean]
Spengler, 1793, Skr. Naturhist. Selsk. 3: 60, no. 26.

Unio conus — Spengler (1793)
Unio (Mysca) conus — Mörch (1863)
Unio tumidus var. lacustris — Clessin (1877)
Unio (Groupe de l’U. tumidus) conus — Locard (1882), Locard (1893)
Unio (Tumidusiana) conus — Locard (1889), Zatravkin (1983)
Unio (s.s.) tumidus vr. conus — Paetel (1890)
Unio tumidus var. conus — Westerlund (1890)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio tumidus — Germain (1931), Graf (2007), IUCN (2011), Klishko et al. (2017), Anisimova et al. (2018), Bogatov et al. (2018)
Unio (s.s.) tumidus var. conus — Zhadin (1938)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Tumidiana conus — Starobogatov et al. (2004)
Tumidiana conus conus — Kantor & Sysoev (2005), Kantor et al. (2010)
Unio (s.s.) conus — Vinarski & Kantor (2016)
Unio tumidus conus — Bogatov (2022)

Unio zelebori Zelebor, 1851
‘Parreyss’ Zelebor, 1851, Ber. Mit. Freunde Naturw. Wien 7: 231, sp. 8. [nomen nudum]

Unio zelebori — Zelebor (1851)
Margaron (Unio) zelebori — Lea (1870)
Unio (s.s.) tumidus zelebori — Falkner et al. (2001)
Unio tumidus zelebori — Lopes-Lima et al. (2017)

Unio tumidus var. borysthenensis Kobelt, 1879
Kobelt, 1879, Icon. Land- und Süssw.-Moll. 7: 32, pl. 192, fig. 1950.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788; renamed Unio tumidus var. borysthenicus Servain, 1888)

Unio tumidus var. borysthenensis — Kobelt (1879)
Unio (Tumidiana) borysthenicus — Servain (1888)
Unio (s.s.) tumidus var. borysthenensis — Paetel (1890)
Unio tumidus var. borysthenicus — Westerlund (1890)
Unio tumidus borysthenensis — Haas (1940), Haas (1969), Fauna Europaea (2012)
Tumidiana conus borysthenensis — Kantor & Sysoev (2005), Kantor et al. (2010)
Unio (s.s.) conus — Vinarski & Kantor (2016)
Unio tumidus borysthensis — Lopes-Lima et al. (2017)
Unio tumidus — Araujo et al. (2018)

Unio tumidus var. godetiana Clessin, 1887
Clessin, 1887, Moll.-Fauna Mitteleuropas 2: 738, text fig. 496.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. godetiana — Clessin (1887)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus godetianus — Falkner et al. (2001)
Unio tumidus godetianus — Lopes-Lima et al. (2017)

Unio muelleri Rossmässler, 1838
Rossmässler, 1838, Icon. Land- und Süssw.-Moll. 2 (1-2): 41, pl. 40, fig. 541.
Rossmässler, 1842, Icon. Land- und Süssw.-Moll. 2 (5): 13, pl. 54, fig. 739.

Unio muelleri — Rossmässler (1838), Rossmässler (1842), Schröder (1885)
Margaron (Unio) pictorum — Lea (1852), Lea (1870)
Unio (Mysca) conus compressa — Mörch (1863)
Unio (Mysca) conus var. compressissima — Mörch (1863)
Unio tumidus var. mülleri — Clessin (1877), Westerlund (1890)
Unio (Tumidiana) muelleri — Servain (1882)
Unio (Heckingiana) mulleri — Locard (1889)
Unio (s.s.) tumidus vr. mülleri — Paetel (1890)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) muelleri — Zatravkin (1983), Stadnichenko (1984), Vinarski & Kantor (2016)
Tumidiana muelleri — Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010)
Unio tumidus — Graf (2007), IUCN (2011), Klishko et al. (2017)

Unio tumidus var. falcatulus Drouët, 1881
Drouët, 1881, Unionidae Russie: 9.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. falcatulus — Drouët (1881), Westerlund (1890)
Unio (s.s.) tumidus vr. falcatulus — Paetel (1890)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)
Unio (Tumidusiana) tumidus falcatulus — Stadnichenko (1984)
Tumidiana tumida falcatulus — Kantor & Sysoev (2005)
Tumidiana tumida falcatula — Kantor et al. (2010)
Unio tumidus — IUCN (2011)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Mya depressa Donovan, 1801
Donovan, 1801, Brit. Shells 3: pl. 101.

Mya depressa — Donovan (1801)
Mya ovata var. depressa — Dillwyn (1817)
Margarita (Unio) litoralis — Lea (1836), Lea (1838)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Unio tumidus — Rossmässler (1844), Reeve (1865), Malzine (1867), Prié & Puillandre (2014)
Margaron (Unio) tumidus — Lea (1852), Lea (1870)
Unio (Batavi) ovalis — Dupuy (1852)
Unio (Mysca) conus compressa — Mörch (1863)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio tumidus tumidus — Haas (1940), Lopes-Lima et al. (2017)
Unio (s.s.) tumidus depressus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio pictorum var. vinceleus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 294, pl. 12, figs. 4-5.
(intro'd as intra-sp. of Mya pictorum Linnaeus, 1758; renamed Unio vinceloti Germain, 1904)

Unio pictorum var. vinceleus — de Joannis (1859)
Unio (Groupe de l’U. bardus) vincelleus — Locard (1882)
Unio (Vinceleusiana) vinceleus — Locard (1889)
Unio vinceleus — Westerlund (1890)
Unio (Groupe de l’U. tumens) vinceleus — Locard (1893)
Unio (Vincelotiana) vinceloti — Germain (1904)
Unio (Groupe des Vincelensiana) vincelens — Caziot (1907)
Unio tumidus — Germain (1931), Prié & Puillandre (2014)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus vinceleus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) rostrata — Vinarski & Kantor (2016)
Unio tumidus tumidus — Lopes-Lima et al. (2017)

Unio tumidus var. saccatus Rossmässler, 1859
Rossmässler, 1859, Icon. Land- und Süssw.-Moll. 3 (5-6): 138, pl. 89, fig. 969.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. saccatus — Rossmässler (1859), Westerlund (1890)
Unio (s.s.) tumidus vr. saccatus — Paetel (1890)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (Tumidusiana) tumidus var. saccatus — Stadnichenko (1984)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus limicola Mörch, 1863
Mörch, 1863, Vidensk. Medd. Naturhist. Foren. Kjöben. (17-22): 339.
Mörch, 1864, Syn. Moll. Daniae: 77.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus limicola — Mörch (1863)
Unio (Mysca) tumidus limicola — Mörch (1863)
Unio tumidus var. limicola — Clessin (1877), Westerlund (1890)
Unio (Tumidiana) limicola — Servain (1882)
Unio limicola — Schröder (1885)
Unio (Tumidusiana) limicola — Locard (1889)
Unio (s.s.) tumidus vr. limicola — Paetel (1890)
Unio (s.s.) tumidus limicola — Zhadin (1938)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (Tumidusiana) tumidus var. limicola — Stadnichenko (1984)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. borysthenicus Servain, 1888
Kobelt, 1879, Icon. Land- und Süssw.-Moll. 7: 32, pl. 192, fig. 1950 [as ‘borysthenensis’].
‘Kobelt’ Servain, 1888, Bull. Soc. Malac. France 5: 323.
(new name for Unio tumidus var. borysthenensis Kobelt, 1879)

Unio tumidus var. borysthenicus — Servain (1888), Westerlund (1890), Zhadin (1965)
Unio (Tumidiana) borysthenicus — Servain (1888)
Unio (Tumidusiana) borysthenicus — Locard (1889)
Unio (s.s.) tumidus var. borysthenicus — Zhadin (1938)
Unio (Tumidusiana) conus borysthenicus — Stadnichenko (1984)

Unio tumidus Mousson, 1849
Mousson, 1849, Land-Süßw.-Moll. Java: 95, pl. 17 [16], fig. 1.
(reference to Unio tumidus Retzius, 1788)

Unio tumidus — Mousson (1849), van Benthem Jutting (1953)
Rectidens sumatrensis — Haas (1914)
Rectidens sumatrensis sumatrensis — Haas (1969)

Mytilus angustior Lister, 1685
Lister, 1685, Conch.: . [pre-linnaean]

Mytilus angustior — Lister (1685)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Margaron (Unio) tumidus — Lea (1852)
Margaron (Unio) pictorum — Lea (1870)

Mya ovata Donovan, 1802
Donovan, 1802, Brit. Shells 4: pl. 122.

Mya ovata — Donovan (1802), Dillwyn (1817), Wood (1825)
Unio pictorum — Lamarck (1819), Deshayes (1832)
Unio ovata — Lea (1834)
Unio crassus — Rossmässler (1835)
Margarita (Unio) litoralis — Lea (1836), Lea (1838)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Unio littoralis — Sowerby (1839)
Mysca (s.s.) ovata — Swainson (1840)
Unio tumidus — Hanley (1843), Rossmässler (1844), Reeve (1865), Germain (1908), Germain (1931)
Margaron (Unio) litoralis — Lea (1852), Lea (1870)
Margaron (Unio) tumidus — Lea (1852), Lea (1870)
Unio (Batavi) ovalis — Dupuy (1852)
Unio (Rostrati) tumidus — Dupuy (1852)
Unio ovalis — Leach (1852)
Unio (Lymnium) tumidus — Moquin-Tandon (1855)
Unio (Mysca) tumidus picta — Mörch (1863)
Unio (Mysca) pictorum deshayesii — Mörch (1863)
Unio (Tumidusiana) tumidulus — Locard (1889)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio tumidus tumidus — Haas (1940), Haas (1969), Fauna Europaea (2012)

Mya ovalis Montagu, 1803
Philipsson in Retzius, 1788, Diss. Nat.-Hist. Test. Gen.: 17.
Pultney, 1799, Cat. Birds. Shells. Dorsetshire: 27. [nomen nudum]
Montagu, 1803, Test. Brit. (1): 34.
(misidentified reference to Mya ovalis Lightfoot, 1786)

Mya ovalis — Montagu (1803), Turton (1807)
Mya pictorum — Dillwyn (1817)
Unio pictorum — Lamarck (1819), Deshayes (1832)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Unio tumidus — Rossmässler (1844), Reeve (1865), Malzine (1867), Drouët (1898), Klishko et al. (2017)
Unio ovalis — Leach (1847), Spinelli (1851), Leach (1852), Gredler (1859)
Unio requienii — Gassies (1849)
Margaron (Unio) tumidus — Lea (1852), Lea (1870)
Unio (Batavi) ovalis — Dupuy (1852)
Unio (Lymnium) batavus var. D ovalis — Moquin-Tandon (1855)
Unio (Lymnium) batavus var. ovalis — Drouët (1857)
Unio batavus var. ovalis — de Joannis (1859), Colbeau (1868)
Unio tumidus var. ovalis — Westerlund (1890)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Tumidiana conus conus — Kantor & Sysoev (2005)

Mysca solida Turton, 1822
Montagu, 1803, Test. Brit. (1): 36 [as ‘Mya solida’].
Turton, 1822, Conch. Ins. Brit.: 246, pl. 16, fig. 2.

Mysca solida — Turton (1822)
Mya ovalis — Montagu (1803)
Unio tumidus — Rossmässler (1835), Hanley (1843), Rossmässler (1844), Reeve (1865)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Margaron (Unio) tumidus — Lea (1852), Lea (1870)
Unio (Rostrati) tumidus — Dupuy (1852)
Unio (Lymnium) tumidus — Moquin-Tandon (1855)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio rostrata Waardenburg, 1827
Waardenburg, 1827, Moll. Belgico: 36.
(misidentified reference to Unio rostrata Lamarck, 1819)

Unio rostrata — Waardenburg (1827)
Unio (Groupe de l’U. tumidus) tumidus — Locard (1882)
Unio (Tumidusiana) tumidus — Locard (1889)
Unio tumidus — Westerlund (1890), Germain (1908), Germain (1931)

Unio inflata Hecart, 1833
Hecart, 1833, Mém. Soc. Agricult. Valanciennes 1: 245.
(homonym of Unio inflatus Studer, 1820)

Unio inflata — Hecart (1833)
Unio (Lymnium) tumidus — Moquin-Tandon (1855)
Unio (Groupe de l’U. tumidus) tumidus — Locard (1882)
Unio (Tumidusiana) tumidus — Locard (1889)
Unio tumidus — Westerlund (1890), Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio limagnae Jay, 1835
‘Bouillet’ of Authors.
Jay, 1835, Cat. Rec. Shells: 16 [as ‘limagnæ’].
Lea, 1836, Synopsis Fam. Naiades: 36 [as ‘limagnæ’].
Lea, 1838, Synopsis Fam. Naiades: 24 [as ‘limagnæ’].
(error for Unio limaniae Dupuy, 1852)

Unio limagnae — Jay (1835)

Unio batavus Rossmässler, 1836
Rossmässler, 1836, Icon. Land- und Süssw.-Moll. 1 (3): pl. 15, fig. 214.
(misidentified reference to Mya batava Maton & Rackett, 1807)

Unio batavus — Rossmässler (1836), Clessin (1877)
Unio (Mysca) tumidus limicola — Mörch (1863)

Unio tumidus Rossmässler, 1836
Rossmässler, 1836, Icon. Land- und Süssw.-Moll. 1 (3): pl. 14, fig. 203.
Rossmässler, 1838, Icon. Land- und Süssw.-Moll. 2 (1-2): 41, pl. 40, fig. 542.
Rossmässler, 1844, Icon. Land- und Süssw.-Moll. 2 (6): pl. 60, fig. 773.
Dupuy, 1852, Hist. Natur. Moll. France (6): pl. 28, fig. 20.
Turton, 1857, Man. Land Fresh-Water Shells Brit. Is.: pl. 2, fig. 13.
Forbes & Hanley, 1859, Brit. Moll.: pl. 40, fig. 1.
(reference to Unio tumidus Retzius, 1788)

Unio tumidus — Rossmässler (1836), Hanley (1843), Küster (1853), Malzine (1867), Clessin (1877), Drouët (1883), Drouët (1898), Germain (1908), Germain (1931)
Unio tumidus var. G decurvatus — Scholtz (1843)
Unio (Rostrati) tumidus — Dupuy (1852)
Unio (Mysca) tumidus picta — Mörch (1863)
Unio (Groupe de l’U. tumidus) tumidus — Locard (1882)
Unio (Tumidusiana) tumidulus — Locard (1889)

Unio tumidus var. radiolata Krynicki, 1837
Krynicki, 1837, Bull. Soc. imp. Nat. Moscou 10(2): 59. [nomen nudum]
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. radiolata — Krynicki (1837)

Unio tumidus var. radiatus Colbeau, 1839
Colbeau, 1839, Matér. Faune Malacol. Belg.: ??.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. radiatus — Colbeau (1839), Malzine (1867), Colbeau (1868)

Unio pictorum Brown, 1844
Brown, 1844, Ill. Rec. Conch.: 81, pl. 31, figs. 8-11.
(misidentified reference to Mya pictorum Linnaeus, 1758)

Unio pictorum — Brown (1844)
Margaron (Unio) pictorum — Lea (1870)
Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)

Unio tumidus var. corrosus Zelebor, 1851
Zelebor, 1851, Ber. Mit. Freunde Naturw. Wien 7: 230, sp. 7.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788; homonym of Unio corrosus Villa, 1841)

Unio tumidus var. corrosus — Zelebor (1851)
Unio tumidus tumidus — Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. solidus Zelebor, 1851
Zelebor, 1851, Ber. Mit. Freunde Naturw. Wien 7: 230, sp. 6.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788; homonym of Unio solidus Lea, 1838)

Unio tumidus var. solidus — Zelebor (1851)
Unio tumidus tumidus — Haas (1969)

Unio limaniae Dupuy, 1852
Bouill., 1836, Cat. Moll. Auv.: 81. [nomen nudum]
‘Bouillet’ Dupuy, 1852, Hist. Natur. Moll. France (6): 653 [as ‘limaniæ’].

Unio limaniae — Dupuy (1852)
Unio limagnæ — Jay (1835)
Margarita (Unio) ovalis — Lea (1836), Lea (1838)
Unio tumidus — Rossmässler (1844)
Margaron (Unio) tumidus — Lea (1852), Lea (1870)
Unio (Rostrati) requienii form limaniæ — Dupuy (1852)
Unio (Lymnium) requienii var. E limaniæ — Moquin-Tandon (1855)

Unio tumidus var. lacustris Rossmässler, 1854
Rossmässler, 1854, Icon. Land- und Süssw.-Moll. 13: no. 16.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. lacustris — Rossmässler (1854), Colbeau (1868), Clessin (1877), Westerlund (1890)
Unio (Lymnium) pictorum var. F limosus — Moquin-Tandon (1855)
Unio (s.s.) tumidus vr. lacustris — Paetel (1890)

Unio pictorum var. niger de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: 294, pl. 12, fig. 2.
(intro'd as intra-sp. of Mya pictorum Linnaeus, 1758; homonym of Unio (Elliptio) nigra Rafinesque, 1820)

Unio pictorum var. niger — de Joannis (1859)
Unio (Groupe de l’U. rostratus) niger — Locard (1882)
Unio (Rostratiana) niger — Locard (1889), Germain (1904)
Unio (pictorum var.) niger — Westerlund (1890)
Unio (Groupe de l’U. maximus) niger — Locard (1893)
Unio tumidus — Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio pictorum var. vinceleus de Joannis, 1859
de Joannis, 1859, Ann. Soc. Linn. Maine-et-Loire 3: pl. 12, fig. 5. [in part]
(reference to Unio pictorum var. vinceleus de Joannis, 1859)

Unio pictorum var. vinceleus — de Joannis (1859)
Unio (Ellipsopsisiana) potamius — Locard (1889)
Unio (Batavusiana) potamius — Germain (1904)
Unio batavus — Germain (1931)

Unio conus compressa Mörch, 1863
Mörch, 1863, Vidensk. Medd. Naturhist. Foren. Kjöben. (17-22): 340.
(intro'd as intra-sp. of Unio conus Spengler, 1793; homonym of Unio compressus Rafinesque, 1831)

Unio conus compressa — Mörch (1863)
Unio (Mysca) conus compressa — Mörch (1863)
Unio tumidus var. mülleri — Westerlund (1890)

Unio conus compressissima Mörch, 1863
Mörch, 1863, Vidensk. Medd. Naturhist. Foren. Kjöben. (17-22): 340.
(intro'd as intra-sp. of Unio conus Spengler, 1793; homonym of Unio compressissimus Lea, 1845)

Unio conus compressissima — Mörch (1863)
Unio (Mysca) conus var. compressissima — Mörch (1863)

Unio pictorum maxima Mörch, 1863
Mörch, 1863, Vidensk. Medd. Naturhist. Foren. Kjöben. (17-22): 340.
Mörch, 1864, Syn. Moll. Daniae: 78.
(intro'd as intra-sp. of Mya pictorum Linnaeus, 1758)

Unio pictorum maxima — Mörch (1863)
Unio (Mysca) pictorum maxima — Mörch (1863)
Unio (Groupe de l’U. rostratus) maximus — Locard (1882)
Unio maximus — Schröder (1885)
Unio (Rostratiana) maximus — Locard (1889)
Unio rostratus — Westerlund (1890)
Unio (Groupe de l’U. maximus) maximus — Locard (1893)
Unio tumidus var. maximus — Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus picta Mörch, 1863
Beck in Mörch, 1863, Vidensk. Medd. Naturhist. Foren. Kjöben. (17-22): 339.
Mörch, 1864, Syn. Moll. Daniae: 77.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788; homonym of Unio pictus Lea, 1834)

Unio tumidus picta — Mörch (1863)
Unio (Mysca) tumidus picta — Mörch (1863)
Unio (Tumidusiana) pictus — Locard (1889)
Unio tumidus var. pictus — Westerlund (1890)
Unio (Groupe de l’U. tumidus) pictus — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio robianoi Malzine, 1867
Malzine, 1867, Essai faun. malac. Belg.: 33, pl. 1, fig. 1-2.

Unio robianoi — Malzine (1867), Colbeau (1868)
Unio tumidus var. robianoi — Westerlund (1890)

Unio robianoi var. inflatus Malzine, 1867
Malzine, 1867, Essai faun. malac. Belg.: 33, pl. 1, fig. 3-4.
(homonym of Unio inflatus Studer, 1820; intro'd as intra-sp. of Unio robianoi Malzine, 1867)

Unio robianoi var. inflatus — Malzine (1867), Colbeau (1868)

Unio batavus var. incurvatus Colbeau, 1868
Colbeau, 1868, Ann. Soc. Malac. Belgique 3: 106, pl. 4, fig. 2.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807)

Unio batavus var. incurvatus — Colbeau (1868), Westerlund (1890)
Unio (Groupe de l’U. crassus) incurvatus — Locard (1882)
Unio (Alpecanusiana) incurvatus — Locard (1889), Germain (1904)
Unio (sec. Hyridella) batavus vr. incurvatus — Paetel (1890)
Unio (Groupe de l’U. tumidus) incurvatus — Locard (1893)
Unio tumidus — Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. heckingi Colbeau, 1868
Colbeau, 1868, Ann. Soc. Malac. Belgique 3: 106, pl. 4, fig. 1.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. heckingi — Malzine (1867), Colbeau (1868)
Unio (Tumidiana) heckingi — Servain (1882)
Unio (Groupe de l’U. tumidus) heckingi — Locard (1882), Locard (1893)
Unio (Heckingiana) heckingi — Locard (1889)
Unio (s.s.) tumidus vr. heckingi — Paetel (1890)
Unio heckingi — Westerlund (1890)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. rohrmanni Kobelt, 1879
Kobelt, 1879, Icon. Land- und Süssw.-Moll. 7: 32, pl. 192, fig. 1951.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. rohrmanni — Kobelt (1879)
Unio (s.s.) tumidus vr. rohrmanni — Paetel (1890)
Unio tumidus var. mülleri — Westerlund (1890)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio gerstfeldtianus Clessin, 1880
Clessin, 1880, Nachr. Bl. Dtsch. Malak. Ges. 12: 81.

Unio gerstfeldtianus — Clessin (1880)
Unio tumidus var. minor — Drouët (1881)
Unio (s.s.) tumidus vr. gerstfeldtianus — Paetel (1890)
Unio tumidus var. gerstfeldtianus — Westerlund (1890), Zhadin (1965)
Unio (s.s.) tumidus var. gerstfeldtianus — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1940), Haas (1969), Fauna Europaea (2012)
Tumidiana tumida tumida — Kantor & Sysoev (2005)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio bardus Servain, 1881
Bourguignat, in sched. Servain, 1881, Malac. Lac Balaton: 98.
Bourguignat in Servain, 1888, Bull. Soc. Malac. France 5: 323.

Unio bardus — Servain (1881), Westerlund (1890)
Unio (Groupe de l’U. bardus) bardus — Locard (1882)
Unio (Rostratiana) bardus — Servain (1888), Locard (1889), Germain (1904)
Unio (Groupe de l’U. tumidus) bardus — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio tumidus var. minor Drouët, 1881
Drouët, 1881, Unionidae Russie: 9.
(homonym of Unio margaritifer var. minor Rossmässler, 1835)

Unio tumidus var. minor — Drouët (1881)
Unio tumidus var. gerstfeldtianus — Westerlund (1890)

Unio alpecanus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 285, 355.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 177 [71].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 215.
Type(s): LECTOTYPE MNHN_22094, l’Oise à Creil.

Unio alpecanus — Locard (1882)
Unio (Crassiana) alpecanus — Servain (1882)
Unio (Groupe de l’U. crassus) alpecanus — Locard (1882)
Unio (Alpecanusiana) alpecanus — Locard (1889)
Unio (Groupe de l’U. tumidus) alpecanus — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio edyus Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 299, 367.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 177 [71].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 215.

Unio edyus — Locard (1882), Westerlund (1890)
Unio (Groupe de l’U. tumidus) edyus — Locard (1882), Locard (1893)
Unio (Eydyusiana) edyus — Locard (1889)
Unio tumidus — Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio fourneli Locard, 1882
Bourguignat in Locard, 1882, Prodr. Malac. Franç. 1: 300, 367.
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 177 [71].
Bourguignat in Locard, 1893, Coqu. Eau Douce Saumâtre France: 214.
Type(s): IDIOTYPE MNHN_22225, La Marne à Lagny (Seine-et-Marne).

Unio fourneli — Locard (1882)
Unio (Groupe de l’U. tumidus) fourneli — Locard (1882), Locard (1893)
Unio (Tumidiana) fourneli — Servain (1888)
Unio (Tumidusiana) fourneli — Locard (1889)
Unio tumidus var. fourneli — Westerlund (1890)
Unio tumidus — Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio vincelleus Locard, 1882
‘de Joannis’ Locard, 1882, Prodr. Malac. Franç. 1: 298.
(error for Unio pictorum var. vinceleus de Joannis, 1859)

Unio vincelleus — Locard (1882)

Unio schroederi Schröder, 1885
Bourguignat in Schröder, 1885, Bull. Soc. Malac. France 2: 224.

Unio schroederi — Schröder (1885), Westerlund (1890)
Unio (Schroederiana) schroederi — Servain (1888)
Anodonta (Ponderosiana) schröderi — Martens (1891)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio rhenanus Kobelt, 1886
Kobelt, 1886, Jb. Nassau. Ver. Naturk. 39: 96, pl. 5, fig. 3.
Kobelt, 1886, Icon. Land- und Süssw.-Moll. 2: 48, pl. 56, fig. 297.

Unio rhenanus — Kobelt (1886), Kobelt (1886), Westerlund (1890)
Unio tumidus rhenanus — Kobelt & Haas (1910)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio anabaenus Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 324 [as ‘anabænus’].

Unio anabaenus — Servain (1888)
Unio (Tumidiana) anabænus — Servain (1888)
Unio (Tumidusiana) anabænus — Locard (1889)
Unio anabænus — Westerlund (1890)

Unio mulierum Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 321.

Unio mulierum — Servain (1888), Westerlund (1890)
Unio (Schroederiana) mulierum — Servain (1888)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio spengeli Servain, 1888
Bourguignat in Servain, 1888, Bull. Soc. Malac. France 5: 323.

Unio spengeli — Servain (1888)
Unio (Tumidiana) spengeli — Servain (1888)
Unio (Tumidusiana) spengeli — Locard (1889)
Unio tumidus var. spengeli — Westerlund (1890)

Unio aldemaricus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 176 [70], 262 [156].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 213.
Type(s): LECTOTYPE MNHN_22091, l’Aisne, à Guignicourt (Ardennes).

Unio aldemaricus — Locard (1889), Westerlund (1890)
Unio (Tumidusiana) aldemaricus — Locard (1889)
Unio (Groupe de l’U. tumidus) aldemaricus — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio alpacamus Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 178 [72].
(error for Unio alpecanus Locard, 1882)

Unio alpacamus — Locard (1889)

Unio borcherdingi Locard, 1889
Bourguignat in Locard, 1889, Contr. Faune Malacol. Franc. 13: 153 [47].
(new name for Unio macrorhynchus Borcherding, 1889)

Unio borcherdingi — Locard (1889), Westerlund (1890), Kobelt (1890)
Unio (Villœana) borcherdingi — Locard (1889)
Unio tumidus tumidus — Haas (1969)

Unio giberti Locard, 1889
Locard, 1889, Contr. Faune Malacol. Franc. 13: 131 [25], 191 [85].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 215, fig. 227.
Type(s): LECTOTYPE MNHN_22237, La Marne à Lagny (Seine-et-Marne).

Unio giberti — Locard (1889), Westerlund (1890)
Unio (Penchinatiana) giberti — Locard (1889)
Unio (Groupe de l’U. tumidus) giberti — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio macrorhynchus Borcherding, 1889
Borcherding, 1889, Abh. Naturw. Ver. Bremen 10: 342, pl. 4, figs. 3-3b.
(homonym of Unio macrorhynchus Locard, 1882; renamed Unio borcherdingi Locard, 1889)

Unio macrorhynchus — Borcherding (1889)
Unio (Villœana) borcherdingi — Locard (1889)
Unio borcherdingi — Westerlund (1890), Kobelt (1890)
Unio tumidus tumidus — Haas (1969)

Unio tumidulus Locard, 1889
Rossmässler, 1836, Icon. Land- und Süssw.-Moll. 1 (3): pl. 14, fig. 203 [as ‘Unio tumidus’].
Rossmässler, 1838, Icon. Land- und Süssw.-Moll. 2 (1-2): pl. 40, fig. 542 [as ‘Unio tumidus’].
Locard, 1889, Contr. Faune Malacol. Franc. 13: 176 [70], 261 [155].
Locard, 1893, Coqu. Eau Douce Saumâtre France: 213.
(homonym of Unio tumidulus Lea, 1856)
Type(s): LECTOTYPE MNHN_22586, La Seine à Rouen (Seine-Inférieure).

Unio tumidulus — Locard (1889)
Unio (Tumidusiana) tumidulus — Locard (1889)
Unio tumidus var. mülleri — Westerlund (1890)
Unio (Groupe de l’U. tumidus) tumidulus — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio pictorum var. vincelus Locard, 1889
‘de Joannis’ Locard, 1889, Contr. Faune Malacol. Franc. 13: 140 [34].
(error for Unio pictorum var. vinceleus de Joannis, 1859)

Unio pictorum var. vincelus — Locard (1889)

Unio catinulus Locard, 1893
Locard, 1893, Bull. Soc. Sci. Nat. Elbeuf 12: 10.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 217.
Type(s): SYNTYPE MNHN_22172, La Seine à Elbeuf (Seine-Inférieure).

Unio catinulus — Locard (1893)
Unio (Groupe de l’U. tumidus) catinulus — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)

Unio elboviensis Locard, 1893
Locard, 1893, Bull. Soc. Sci. Nat. Elbeuf 12: 4.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 215.

Unio elboviensis — Locard (1893)
Unio (Groupe de l’U. tumidus) elboviensis — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio lacrymiformis Locard, 1893
Locard, 1893, Bull. Soc. Sci. Nat. Elbeuf 12: 12.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 216, fig. 228.
Type(s): LECTOTYPE MNHN_22300, La Seine au nord de Rouen.

Unio lacrymiformis — Locard (1893)
Unio (Groupe de l’U. tumidus) lacrymiformis — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio levoiturieri Locard, 1893
Locard, 1893, Bull. Soc. Sci. Nat. Elbeuf 12: 7.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 216.

Unio levoiturieri — Locard (1893)
Unio (Groupe de l’U. tumidus) levoiturieri — Locard (1893)
Unio tumidus — Germain (1908)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio rothomagensis Locard, 1893
Locard, 1893, Coqu. Eau Douce Saumâtre France: 213.
Type(s): LECTOTYPE MNHN_22503, la Seine près Rouen.

Unio rothomagensis — Locard (1893)
Unio (Groupe de l’U. tumidus) rothomagensis — Locard (1893)
Unio tumidus — Germain (1908), Germain (1931)
Unio tumidus tumidus — Haas (1940), Haas (1969)

Unio vinceloti Germain, 1904
‘de Joannis’ Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 276 [38].
(new name for Unio pictorum var. vinceleus de Joannis, 1859)

Unio vinceloti — Germain (1904)
Unio (Vincelotiana) vinceloti — Germain (1904)

Unio vinceloti var. cuneiformis Germain, 1904
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 276 [38], pl. 2, fig. 37.
(intro'd as intra-sp. of Unio vinceloti Germain, 1904)

Unio vinceloti var. cuneiformis — Germain (1904)
Unio (Vincelotiana) vinceloti cuneiformis — Germain (1904)

Unio vincelens Caziot, 1907
‘Bourg.’ Caziot, 1907, Bull. Soc. Sci. Hist. Nat. Yonne 60: 276.
(error for Unio pictorum var. vinceleus de Joannis, 1859)

Unio vincelens — Caziot (1907)

Unio lauterborni Haas, 1909
Haas, 1909, Beitr. Kenntn. Mittleleurop. Najadeen, Beilage zu... 41: 46.

Unio lauterborni — Haas (1909)
Unio tumidus lauterborni — Kobelt & Haas (1910)
Unio tumidus tumidus — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. okae Kobelt & Haas, 1910
Kobelt & Haas, 1910, Icon. Land- und Süssw.-Moll. 17: 58, index, pl. 480, figs. 2565-2566.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788; homonym of Unio crassus var. okae Kobelt & Haas, 1910; renamed Unio tumidus var. kobeltianus Zhadin, 1938)

Unio tumidus var. okae — Kobelt & Haas (1910)
Unio (s.s.) tumidus var. kobeltianus — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1969)

Unio tumidus ilekensis Kobelt, 1912
Kobelt, 1912, Icon. Land- und Süssw.-Moll. 18: 28, pl. 492, fig. 2629.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus ilekensis — Kobelt (1912)
Unio (s.s.) tumidus var. ilikensis — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)
Tumidiana tumida tumida — Kantor & Sysoev (2005)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. succinctus Hilbert, 1912
Hilbert, 1912, Schr. Königsberg. Phys. Ges. 52: 271.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. succinctus — Hilbert (1912)
Unio tumidus tumidus — Haas (1969)

Unio tumidus var. natermanni Honigmann, 1914
Honigmann, 1914, Abh. Ber. Mus. Magdeburg 2: 7.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. natermanni — Honigmann (1914)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)

Unio elbovensis Germain, 1931
‘Locard’ Germain, 1931, Faune de France 22: 741.
(error for Unio elboviensis Locard, 1893)

Unio elbovensis — Germain (1931)

Unio tumidus var. bashkiricus Zhadin, 1938
Zhadin, 1938, Faune USSR Mollusques 4(1): 81, text fig. 19.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. bashkiricus — Zhadin (1938), Zhadin (1965)
Unio (s.s.) tumidus var. bashkiricus — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)
Tumidiana tumida tumida — Kantor & Sysoev (2005)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. fridmani Zhadin, 1938
Zhadin, 1938, Faune USSR Mollusques 4(1): 86, text fig. 21.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. fridmani — Zhadin (1938), Zhadin (1965)
Unio (s.s.) tumidus var. fridmani — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)
Tumidiana tumida tumida — Kantor & Sysoev (2005)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. ilikensis Zhadin, 1938
‘Kobelt’ of Authors.
Zhadin, 1938, Faune USSR Mollusques 4(1): 83.
Kantor & Sysoev, 2005, Cat. Moll. Russia: 327.
(error for Unio tumidus ilekensis Kobelt, 1912)

Unio tumidus var. ilikensis — Zhadin (1938)

Unio tumidus var. kobeltianus Zhadin, 1938
Zhadin, 1938, Faune USSR Mollusques 4(1): 82.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788; new name for Unio tumidus var. okae Kobelt & Haas, 1910; homonym of Unio batavus kobeltianus Haas, 1913)

Unio tumidus var. kobeltianus — Zhadin (1938)
Unio (s.s.) tumidus var. kobeltianus — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)
Tumidiana tumida tumida — Kantor & Sysoev (2005)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio tumidus var. moltshanovi Zhadin, 1938
Zhadin, 1938, Faune USSR Mollusques 4(1): 85, text fig. 20.
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio tumidus var. moltshanovi — Zhadin (1938)
Unio (s.s.) tumidus var. moltshanovi — Zhadin (1938)
Unio tumidus borysthenensis — Haas (1940), Haas (1969)
Unio (s.s.) tumidus — Vinarski & Kantor (2016)

Unio albovicensis Haas, 1940
‘Locard’ Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 129.
(error for Unio elboviensis Locard, 1893)

Unio albovicensis — Haas (1940)

Unio subtumidus van Benthem Jutting, 1953
‘Mousson, in litt.’ van Benthem Jutting, 1953, Treubia 22(1): 45.
(intro'd as syn of Unio tumidus Retzius, 1788)

Unio subtumidus — van Benthem Jutting (1953)
Unio tumidus — van Benthem Jutting (1953)

Unio elbovicensis Haas, 1969
‘Locard’ Haas, 1969, Das Tierreich 88: 21.
(error for Unio elboviensis Locard, 1893)

Unio elbovicensis — Haas (1969)

Unio pictorum var. vincelius Haas, 1969
‘Joannis’ Haas, 1969, Das Tierreich 88: 26.
(error for Unio pictorum var. vinceleus de Joannis, 1859)

Unio pictorum var. vincelius — Haas (1969)

Unio (Unio) tumidus ssp. [Bassin de la Saône] Falkner et al., 2002
Falkner et al., 2002, Patrim. Natur. 52: 55. [nomen nudum]
(intro'd as intra-sp. of Unio tumidus Retzius, 1788)

Unio (Unio) tumidus ssp. [Bassin de la Saône] — Falkner et al. (2002)
Unio (s.s.) tumidus ssp. [Bassin de la Saône] — Falkner et al. (2002)

Unio tumidu Li et al., 2010
Li et al., 2010, Hereditas 32(4): 363.
(error for Unio tumidus Retzius, 1788)

Unio tumidu — Li et al. (2010)

Unio lateborni Vinarski & Kantor, 2016
‘Haas’ Vinarski & Kantor, 2016, Analyt. Cat. Fr. Brack. Moll. Russia: 23.
(error for Unio lauterborni Haas, 1909)

Unio lateborni — Vinarski & Kantor (2016)

Unio tumidus borysthensis Lopes-Lima et al., 2017
‘Kobelt’ Lopes-Lima et al., 2017, Biol. Rev. 92(1): .
(error for Unio tumidus var. borysthenensis Kobelt, 1879)

Unio tumidus borysthensis — Lopes-Lima et al. (2017)

Taxonomic History (since 1900)

Unio (sec. Lymnium) tumidus — Simpson (1900), Simpson (1914)
Unio (sec. Lymnium) pictorum — Simpson (1900), Simpson (1914)
Unio (Rostratiana) niger — Germain (1904)
Unio (Vincelotiana) vinceloti — Germain (1904)
Unio (Batavusiana) potamius — Germain (1904)
Unio (Alpecanusiana) incurvatus — Germain (1904)
Unio (Rostratiana) bardus — Germain (1904)
Unio vinceloti — Germain (1904)
Unio vinceloti var. cuneiformis — Germain (1904)
Unio (Vincelotiana) vinceloti cuneiformis — Germain (1904)
Unio (Groupe Tumidusiana) tumidus — Caziot (1907)
Unio (Groupe des Vincelensiana) vincelens — Caziot (1907)
Unio vincelens — Caziot (1907)
Unio tumidus — Germain (1908), Kobelt & Haas (1910), Ortmann (1912), Ortmann (1914), ..., Lopes-Lima et al. (2024), Wu et al. (2024), Dai et al. (2024), Wu et al. (2024)
Unio lauterborni — Haas (1909)
Unio tumidus rhenanus — Kobelt & Haas (1910)
Unio tumidus lauterborni — Kobelt & Haas (1910)
Unio tumidus var. okae — Kobelt & Haas (1910)
Unio tumidus ilekensis — Kobelt (1912)
Unio tumidus var. succinctus — Hilbert (1912)
Rectidens sumatrensis — Haas (1914)
Unio tumidus var. natermanni — Honigmann (1914)
Unio batavus — Germain (1931)
Unio tumidus var. maximus — Germain (1931)
Unio elbovensis — Germain (1931)
Unio (s.s.) tumidus — Zhadin (1938), Vinarski & Kantor (2016)
Unio (s.s.) tumidus var. conus — Zhadin (1938)
Unio (s.s.) tumidus limicola — Zhadin (1938)
Unio (s.s.) tumidus var. gerstfeldtianus — Zhadin (1938)
Unio (s.s.) tumidus var. borysthenicus — Zhadin (1938)
Unio (s.s.) tumidus var. kobeltianus — Zhadin (1938)
Unio (s.s.) tumidus var. ilikensis — Zhadin (1938)
Unio tumidus var. bashkiricus — Zhadin (1938), Zhadin (1965)
Unio (s.s.) tumidus var. bashkiricus — Zhadin (1938)
Unio tumidus var. fridmani — Zhadin (1938), Zhadin (1965)
Unio (s.s.) tumidus var. fridmani — Zhadin (1938)
Unio tumidus var. ilikensis — Zhadin (1938)
Unio tumidus var. kobeltianus — Zhadin (1938)
Unio tumidus var. moltshanovi — Zhadin (1938)
Unio (s.s.) tumidus var. moltshanovi — Zhadin (1938)
Unio tumidus tumidus — Haas (1940), Haas (1969), Fauna Europaea (2012), Lopes-Lima et al. (2017), Bogatov (2022)
Unio pictorum rostratus — Haas (1940), Haas (1969)
Unio tumidus borysthenensis — Haas (1940), Haas (1969), Fauna Europaea (2012)
Unio albovicensis — Haas (1940)
Unio subtumidus — van Benthem Jutting (1953)
Unio tumidus var. gerstfeldtianus — Zhadin (1965)
Unio tumidus var. borysthenicus — Zhadin (1965)
Rectidens sumatrensis sumatrensis — Haas (1969)
Unio elbovicensis — Haas (1969)
Unio pictorum var. vincelius — Haas (1969)
Unio (Tumidusiana) tumidus — Zatravkin (1983), Korniushin (1998)
Unio (Tumidusiana) conus — Zatravkin (1983)
Unio (s.s.) muelleri — Zatravkin (1983), Stadnichenko (1984), Vinarski & Kantor (2016)
Unio (Tumidusiana) tumidus var. saccatus — Stadnichenko (1984)
Unio (Tumidusiana) tumidus var. limicola — Stadnichenko (1984)
Unio (Tumidusiana) tumidus falcatulus — Stadnichenko (1984)
Unio (Tumidusiana) conus borysthenicus — Stadnichenko (1984)
Unio (s.s.) tumidus tumidus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) tumidus depressus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) tumidus zelebori — Falkner et al. (2001)
Unio (s.s.) tumidus vinceleus — Falkner et al. (2001), Falkner et al. (2002)
Unio (s.s.) tumidus godetianus — Falkner et al. (2001)
Unio (Unio) tumidus ssp. [Bassin de la Saône] — Falkner et al. (2002)
Unio (s.s.) tumidus ssp. [Bassin de la Saône] — Falkner et al. (2002)
Tumidiana tumida — Starobogatov et al. (2004)
Tumidiana conus — Starobogatov et al. (2004)
Tumidiana muelleri — Starobogatov et al. (2004), Kantor & Sysoev (2005), Kantor et al. (2010)
Tumidiana tumida tumida — Kantor & Sysoev (2005), Kantor et al. (2010)
Tumidiana conus conus — Kantor & Sysoev (2005), Kantor et al. (2010)
Tumidiana conus borysthenensis — Kantor & Sysoev (2005), Kantor et al. (2010)
Tumidiana tumida falcatulus — Kantor & Sysoev (2005)
Unio tumidu — Li et al. (2010)
Tumidiana tumida falcatula — Kantor et al. (2010)
Unio (s.s.) conus — Vinarski & Kantor (2016)
Unio (s.s.) rostrata — Vinarski & Kantor (2016)
Unio lateborni — Vinarski & Kantor (2016)
Unio tumidus zelebori — Lopes-Lima et al. (2017)
Unio tumidus borysthensis — Lopes-Lima et al. (2017)
Unio tumidus godetianus — Lopes-Lima et al. (2017)
Unio tumidus conus — Bogatov (2022)