Unio jonicus Kobelt, 1886
‘Drouët’ of Authors.
Kobelt, 1886, Icon. Land- und Süssw.-Moll. 2: 43.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 153.
Kobelt, 1893, Icon. Land- und Süssw.-Moll. 6: 87.
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 131.
Haas, 1969, Das Tierreich 88: 52.
Lopes-Lima et al., 2017, Biol. Rev. 92(1): 578.
Lyubas et al., 2022, Diversity 14(11), 935: Table S3.
(error for Unio ionicus Drouët, 1879)

Unio crassus Soroka, 2005
‘Philippson’ of Authors.
Soroka, 2005, Zool. Sci. 22: 1138, Table 1.
Soroka, 2010, Folia Malac. 18(4): Table 2. [in part]
Reis et al., 2013, Graellsia 69(1): 22, Table 2.
Prié & Puillandre, 2014, Hydrobiologia 735(1): online resource 1 [as ‘Unio crassus crassus’].
Douda et al., 2014, J. Appl. Ecol. 51: 1087. [in part]
Froufe et al., 2016, Org Divers Evol 16(3): 606, fig. 3. [in part]
Klishko et al., 2017, Zootaxa 4286(1): 98, Table 3.
Soroka & Burzynski, 2017, mtDNA B 2(2): 863.
Burzynski et al., 2017, MPE 107: 606.
Lopes-Lima et al., 2017, Biol. Rev. 92(1): Table S1 [as ‘Unio crassus crassus’]. [in part]
Araujo et al., 2018, J. Linn. Soc., Zool. 182(2): supplementary table. [in part]
Klishko et al., 2018, Systemat. Biodiv. 16(3): 291.
Burzynski & Soroka, 2018, PeerJ 6, e5573: 3.
Wang et al., 2018, Conserv. Genet. Resour. 10(4): 611.
Wang et al., 2018, Conserv. Genet. Resour. 11: 140.
Cha et al., 2018, mtDNA B 3(2): 946.
Aunins et al., 2018, mtDNA B 3(2): 1125.
Wu et al., 2018, PLoS One 13(8), e0200956: 6. [in part]
Klishko et al., 2019, Ruthenica 29(1): 57, Table 1.
Wu et al., 2019, ZooKeys 812: 29.
Huang et al., 2019, MPE 130: Table S5. [in part]
Fukata & Iigo, 2019, mtDNA B 4(2): 3489.
Guerra et al., 2019, BMC Evol. Biol. 19 (229): Table S1.
Froufe et al., 2019, Heredity 124: 185.
Soroka, 2020, J. Zool. Syst. Evol. Res. 58(2): Table 2.
Fukata & Iigo, 2020, mtDNA B 5(2): 1216.
Sano et al., 2020, Plankton Benthos Res. 15(2): 99.
Wu et al., 2020, Invert. Syst. 34: Table S2.
Kilikowska et al., 2020, Life 10(7): 1. [in part]
Lopes-Lima et al., 2021, MPE 163: fig. 6 [by voucher number]. [in part]
Sayenko et al., 2021, Systemat. Biodiv. 19: 58, Table 1.
Wu et al., 2021, J. Lake Sci. 33(6): attached Table 2.
Zieritz et al., 2021, Zool. J. Linn. Soc. 193(3): 1092.
Kim et al., 2021, mtDNA B 6(1): 80.
Pfarrer et al., 2022, Hydrobiologia 849: ESM1.
Wu et al., 2022, Zool. Scripta 51: Table S2.
Dai et al., 2023, Invert. Syst. 37(2): Table 2.
Chen et al., 2023, ZooKeys 1173: Table 1.
Wu et al., 2023, Org Divers Evol (2023): Table 2.
Dai et al., 2024, Zool. Scripta 53: Table 1.
Wu et al., 2024, J. Zool. Syst. Evol. Res. 2024, 1499508: Table 2.
Wu et al., 2024, Zool. Scripta early online: Table S3.
Dai et al., 2024, Invert. Syst. 38(6): Table 3. [in part]
(misidentified reference to Unio crassus Retzius, 1788)

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)

Anodonta anatina (Linnaeus, 1758)
+ Mytilus radiatus Müller, 1774
+ Anodonta attenuata Held, 1836
+ Anodonta rostrata Rossmässler, 1836

Anodonta cygnea (Linnaeus, 1758)
+ Anodonta cellensis var. solearis Küster, 1839
+ Anodonta deplanata Gallenstein, 1852

Margaritifera auricularia (Spengler, 1793)

Margaritifera margaritifera (Linnaeus, 1758)
+ Unio brunneus Bonhomme, 1840
+ Margaritana margaritifera parvula Haas, 1908
+ Margaritana durrovensis Phillips, 1928

Microcondylaea bonellii (A. Férussac, 1827)
+ Alasmodonta compressa Menke, 1830

Neotrigonia margaritacea

Potomida littoralis acarnanicus (Kobelt, 1879)

Potomida littoralis littoralis (Cuvier, 1798)
+ Unio pianensis Boubée, 1833
+ Unio cuneatus Jacquemin, 1835
+ Unio litoralis var. umbonatus Rossmässler, 1844

Pseudanodonta complanata (Rossmässler, 1835)
+ Anodonta klettii Rossmässler, 1835
+ Anodonta gratelupeana Gassies, 1849
+ Pseudanodonta ligerica Bourguignat, 1880
+ Anodonta dorsuosa Drouët, 1881
+ Pseudanodonta compacta kuesteri Haas, 1913

Pseudanodonta elongata (Holandre, 1836)

Pseudanodonta middendorffi compacta (Zelebor, 1851)

Pseudanodonta middendorffi middendorffi (Siemaschko, 1848)

Unio cf. elongatulus C. Pfeiffer, 1825
+ Unio glaucinus Porro, 1838
+ Unio lawleyianus Gentiluomo, 1868

Unio crassus
+ Unio riparia Pfeiffer, 1821

Unio crassus batavus (Maton & Rackett, 1807)
+ Unio courtillieri Hattemann, 1859
+ Unio batavus var. albensis Hazay, 1885

Unio crassus bruguierianus Bourguignat, 1853

Unio crassus carneus Kuster, 1854

Unio crassus courtillieri

Unio crassus cytherea Kuster, 1833
+ Unio decurvatus Rossmässler, 1835
+ Unio batavus var. ondovensis Hazay, 1885

Unio crassus gontieri Bourguignat, 1856

Unio crassus jonicus [sic] Drouet, 1879

Unio delphinus Spengler, 1793
+ Unio mucidus Morelet, 1845

Unio gibbus Spengler, 1793

Unio mancus gargottae Philippi, 1836

Unio mancus mancus Lamarck, 1819
+ Unio moquinianus Dupuy, 1843
+ Unio aleronii Companyo & Massot, 1845
+ Unio rousii Dupuy, 1849
+ Unio valentinus Rossmässler, 1854
+ Unio moreleti var. brindosiana Folin & Bérillon, 1874
+ Unio bourgeticus Locard, 1882

Unio mancus pallens Rossmässler, 1842

Unio mancus requienii Michaud, 1831

Unio mancus turtonii Payraudeau, 1826

Unio pictorum gaudioni Drouet, 1881

Unio pictorum latirostris Kuster, 1854

Unio pictorum pictorum (Linnaeus, 1758)
+ Unio deshayesii Michaud, 1831
+ Unio pictorum tisianus Nesemann, 1993

Unio pictorum platyrhynchus Rossmässler, 1835

Unio pictorum platyrinchoideus Dupuy, 1849

Unio pictorum praeposterus Kuster, 1854

Unio pictorum proechistus Bourguignat, 1870

Unio pictorum rostratus Lamarck, 1819

Unio pictorum schrenkianus Clessin, 1880

Unio ravoisieri Deshayes, 1848
+ Unio penchinatianus Bourguignat, 1865

Unio tumidiformis Castro, 1885

Unio tumidus borysthensis [sic] Kobelt, 1879

Unio tumidus godetianus Clessin, 1890

Unio tumidus tumidus (Philipsson, 1788)
+ Mya depressa Donovan, 1801
+ Unio pictorum var. vinceleus de Joannis, 1859

Unio tumidus zelebori Zelebor, 1851