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Page last updated
Thu 3 September 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 | Parreysiinae | Coelaturini

genus Prisodontopsis Tomlin, 1928: synonymy
     2 Recent valid species (2 total species)

Pseudavicula Simpson, 1900
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 860.
Simpson, 1914. Descr. Cat. Naiades: 1190.
(homonym of Hudleston, 1890; renamed Prisodontopsis Tomlin, 1928)
Type species: Unio (Metaptera) johnstoni E.A. Smith, 1893 (orig. desig.) = Prisodontopsis aviculaeformis

Prisodontopsis Tomlin, 1928
Tomlin, 1928. Nautilus 42: 66.
(new name for Pseudavicula Simpson, 1900)

Mweruella Haas, 1936
Haas, 1936. Abh. Senckenb. Naturf. Ges. 431: 63 [as ‘Mweruëlla’].
(intro'd as sub-gen. of Coelatura Conrad, 1853)
Type species: Unio mweruensis E.A. Smith, 1908 (orig. desig.) = Prisodontopsis mweruensis

Kistinaia Haas, 1936
Haas, 1936. Abh. Senckenb. Naturf. Ges. 431: 64.
(intro'd as sub-gen. of Coelatura Conrad, 1853)
Type species: Caelatura (Kistinaia) schoutedeni Haas, 1936 (orig. desig.) = Prisodontopsis mweruensis

Miocruella Salisbury, 1948
Salisbury, 1948. Zool. Rec. 82: 81.
(error for Mweruella Haas, 1936)

Taxonomic History (since 1900)

PseudaviculaSimpson (1900), Kobelt (1910), Simpson (1914), Pilsbry & Bequaert (1927), Modell (1942)
UnioE.A. Smith (1908)
ParreysiaSimpson (1914), Pilsbry & Bequaert (1927)
PrisodontopsisTomlin (1928), Thiele (1934), Pain & Woodward (1968), Mandahl-Barth (1968), Haas (1969), ... Graf et al. (2014), Pfeiffer et al. (2018), Pfeiffer et al. (2019), Ortiz-Sepulveda et al. (2020), Graf & Cummings (2021)
Caelatura [sic] (Mweruella)Haas (1936), Haas (1969), Haas (1969)
Caelatura [sic] (Kistinaia)Haas (1936), Haas (1969), Haas (1969)
MweruellaPain & Woodward (1968), Daget (1998), Graf & Cummings (2007), IUCN (2010), Bogan (2010), Graf & Cummings (2011), Ortiz-Sepulveda et al. (2020)
Caelatura [sic]Mandahl-Barth (1968), Mandahl-Barth (1988)
Mweruella (s.s.)Starobogatov (1970)
CoelaturaBolotov et al. (2017), Bolotov et al. (2017), Huang et al. (2019)

 
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