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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 | Margaritiferidae | Margaritiferinae

genus Pseudunio Haas, 1910: synonymy
     3 Recent valid species (5 total species)

Potodoma Herrmannsen, 1846
Herrmannsen, 1846. Ind. Gener. Malacol. 1: ??.
(homonym of Meigen, 1800; renamed Pseudunio Haas, 1910)
Type species: Unio sinuata Lamarck, 1819 (orig. desig.) = Pseudunio auricularius

Baryana Locard, 1889
Bourguignat in Locard, 1889. Contr. Faune Malacol. Franc. 13: 124.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio sinuata Lamarck, 1819 (monotypy) = Pseudunio auricularius

Pseudunio Haas, 1910
Haas, 1910. Nachr. Bl. Dtsch. Malak. Ges. 42: 181.
(new name for Potodoma Herrmannsen, 1846)
Type species: Unio sinuata Lamarck, 1819 (orig. desig.) = Pseudunio auricularius

Plicatibaphia Starobogatov, 1970
Starobogatov, 1970. Fauna Moll. Continent.: 61, 283.
Type species: Unio flabellatus Goldfuss, 1837 (orig. desig.) = Pseudunio flabellata

Taxonomic History (since 1900)

MargaritanaSimpson (1900), Preston (1912), Ortmann (1912), Ortmann (1913), Simpson (1914), Haas (1924), Germain (1931), Pallary (1939)
Unio (sec. Lymnium)Simpson (1900), Simpson (1914)
UnioRochebrune (1903), Kobelt (1903)
Unio (Baryana)Germain (1904)
Unio (Groupe Baryana)Caziot (1907)
PseudunioHaas (1910), Falkner (1994), D.G. Smith (2001), Falkner et al. (2001), Falkner et al. (2002), ... Zieritz et al. (2024), Dai et al. (2024), Chen et al. (2025), Dai et al. (2025), Chen et al. (2025)
Leguminaia (Rhombunio)Germain (1911)
Margaritana (Potomida)Thiele (1934)
MargaritiferaHaas (1940), Mandahl-Barth (1988), Ziuganov et al. (1994), Daget (1998), Nagel et al. (1998), ... Huang et al. (2019), Múrria et al. (2020), Sano et al. (2020), Fukata & Iigo (2020), Bashê (2022)
PsilunioHaas (1940)
Margaritifera (Pseudunio)Haas (1969), Haas (1969), Van Damme (1984), Schneider & Prieto (2011), Bolotov et al. (2016)
PotomidaHaas (1969), Schütt (1983)
PlicatibaphiaStarobogatov (1970)

 
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