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Page last updated
Wed 1 October 2025

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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Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Gonideini

genus Inversidens Haas, 1911: synonymy
     3 Recent freshwater species (3 total species)

Inversidens Haas, 1911
Haas, 1911. Conch. Cab. 9 (pt. 2, h. 45): 102.
(intro'd as sub-gen. of Nodularia Conrad, 1853)
Type species: Unio brandtii Kobelt, 1879 (sub. desig. by Thiele, 1934: 819) = Inversidens brandtii

Inversidena Habe, 1991
‘Haas’ Habe, 1991. Hitachiobi 56: 4.
(error for Inversidens Haas, 1911)

Taxonomic History (since 1900)

Nodularia (s.s.)Simpson (1900), Haas (1911), Simpson (1914), Haas (1924)
Nodularia (sec. Inversidens)Haas (1911)
UnioSimpson (1914), Zhadin (1965), Bába (2000)
NodulariaHaas (1920), Prozorova et al. (2005), Bogatov & Prozorova (2017)
InversidensThiele (1934), Kuroda (1963), Haas (1969), Haas (1969), Habe (1977), ... Dai et al. (2023), Wu et al. (2024), Liu et al. (2024), Zhang et al. (2024), Dai et al. (2025)
Unio (Nodularia)Zhadin (1938)
Middendorffinaia (Pseudopotomida)Moskvicheva & Starobogatov (1973), Korniushin (1998), Bogatov & Prozorova (2017)
Inversidena [sic]Habe (1991)

 
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