| Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Mya batava Maton & Rackett, 1807
     Schröter, 1779, Gesch. Flußconch.: pl. 3, figs. 2, 4-5.
 Martini & Chemnitz, 1782, Conchyl. Cab. 6: 19, pl. 1, fig. 6.
 Maton & Rackett, 1807, Trans. Linn. Soc. London 8: 37.
 = Unio crassus Taxonomic Opinions
	+ Unio crassus Retzius, 1788 — Araujo et al., 2018= Unio crassus batavus (Maton & Rackett, 1807) — Lopes-Lima et al., 2017
 + Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016
 = Unio crassus batavus Maton & Rackett, 1807 — Fauna Europaea, 2012
 + Batavusiana (s.s.) musiva (Spengler, 1793) — Zatravkin, 1987
 + Batavusiana (s.s.) musiva (Spengler, 1793) — Zatravkin, 1983
 = Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969
 = Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940
 = Unio batavus Maton et Rackett — Germain, 1931
 = Unio batavus  — Haas, 1924
 = Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1914
 + Unio crassus musivus Spengler, 1793 — Ortmann, 1912
 = Unio batavus Lam. — Kobelt & Haas, 1910
 = Unio (Groupe des Batavusiana) batavus Maton et R. — Caziot, 1907
 = Unio (Batavusiana) batavus (Maton et Racket, 1805) [sic] — Germain, 1904
 = Unio (sec. Lymnium) batavus (Maton & Rackett, 1807) — Simpson, 1900
 = Unio (Groupe de l’U. batavus) batavus Maton et Racket [sic] — Locard, 1893
 = Unio (sec. Hyridella) batavus Lm. — Paetel, 1890
 = Unio batavus (Maton & Rackett, 1807) — Westerlund, 1890
 = Unio batavus Maton & Rackett, 1805 — Baichère, 1890
 = Unio (Batavusiana) batavus Maton et Rackett — Locard, 1889
 = Unio batavus Maton et Rackett — Drouët, 1889
 = Unio (Bataviana) batavus (Nilsson) — Servain, 1888
 = Unio (Groupe de l’U. Batavus) batavus Maton et Rackett — Locard, 1882
 = Unio batavus (Maton et Rackett, 1807) — Servain, 1881
 = Unio batavus Lam. — Drouët, 1881
 = Unio batavus Lamarck — Clessin, 1877
 = Margaron (Unio) batavus (Mat. & Ract.) — Lea, 1870
 = Unio batavus Lam. — Colbeau, 1868
 = Unio crassus var. batavus Nilss. — Westerlund, 1867
 = Unio batava Lamarck — Malzine, 1867
 = Unio batava Lamarck — Sowerby, 1866
 = Unio batavus Lam. — de Joannis, 1859
 = Unio (Hyridella) batavus “Lam.” — Adams & Adams, 1857
 = Unio (Lymnium) batavus  — Drouët, 1857
 = Unio (Lymnium) batavus (Mat. et Rack.) — Moquin-Tandon, 1855
 = Unio batavus Lamarck — Küster, 1855
 = Unio batava Lamk. — Morelet, 1853
 = Margaron (Unio) batavus (Lam.) — Lea, 1852
 = Unio (Batavi) batavus Nilss. — Dupuy, 1852
 + Unio pictorum  — Leach, 1852
 = Unio batavus Nils. — Zelebor, 1851
 = Unio batavus Dilw. — C.B. Adams, 1847
 = Unio batavus Lam. — Hanley, 1843
 = Unio batavus Larm. ex em. Nils. — Rossmässler, 1842
 = Mysca (s.s.) batava Lam. — Swainson, 1840
 = Mysca batava Lam., R. — Schlüter, 1838
 = Margarita (Unio) batava Lam. Pfeif. Flem. — Lea, 1838
 = Unio batavus Lam. — Charpentier, 1837
 = Unio batavus ex emend. Nilss. — Rossmässler, 1837
 = Unio batava Lam. — Krynicki, 1837
 = Margarita (Unio) batava Lam. — Lea, 1836
 = Unio batavus  — Rossmässler, 1836
 = Unio batava Lam. — Held, 1836
 = Unio batavus Lam. — Rossmässler, 1835
 = Unio batava  — Jay, 1835
 = Unio batava Lam. — Ravenel, 1834
 = Unio batava Maton and Racket — Lea, 1834
 = Unio batava Maton — Deshayes, 1832
 = Unio batavus Lam. — Menke, 1830
 = Unio batava Lam. — Kickx, 1830
 + Unio pictorum  — Lea, 1829
 = Unio batavus Lam. — Menke, 1828
 = Unio batavus (Maton & Rackett, 1807) — Wood, 1828
 = Unio batava Lamk. — Bory de St. Vincent, 1827
 = Mya batava Maton & Rackett, 1807 — Wood, 1825
 = Unio batavus Lam. — Nilsson, 1822
 = Unio batava Lam. — Pfeiffer, 1821
 = Unio batava  — Lamarck, 1819
 = Mya batava Maton and Rackett — Dillwyn, 1817
 
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