The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus

nominal species Unio pseudolitoralis Clessin, 1877

Clessin, 1875, Verh. Ver. Naturgesch. Hamburg 2: 258 [as ‘pseudo-litoralis’]. [nomen nudum]
Clessin, 1877, Deutsche Excurs. Moll. Fauna: 469, text fig. 305 [as ‘pseudo-litoralis’].

= Unio crassus

Taxonomic Opinions

+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016
+ Crassiana crassa crassa (Philippson in Retzius, 1788) — Kantor et al., 2010
+ Crassiana crassa crassa (Philipsson in Retzius, 1788) — Kantor & Sysoev, 2005
+ Batavusiana (Crassunio) crassa (Phillipsson, 1788) — Zatravkin, 1987
+ Batavusiana (Crassunio) crassa (Philippson, 1788) — Stadnichenko, 1984
+ Unio crassus crassus Retzius, 1788 — Haas, 1969
= Unio crassus var. pseudolitoralis Clessin, 1875 — Zhadin, 1965
+ Unio crassus crassus Retzius, 1788 — Haas, 1940
= Unio (s.s.) crassus var. pseudolitoralis Clessin, 1875 — Zhadin, 1938
= Unio pseudolitoralis Clessin, 1875 — Westerlund, 1890
+ Unio crassus var. maximus Kobelt, 1872 — Kobelt, 1884
= Unio batavus var. pseudo-litoralis Clessin — Clessin, 1877

Page updated: 07:35:33 Thu 04 Apr 2024