| Page last updated
Tue 01 Jul 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!
For each valid genus, the nominal generic synonyms are listed. The taxonomic history (since 1900) at the bottom of the page lists the genera to which all of the currently included species have been classified.
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Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae | Gonideini genus Ptychorhynchus Simpson, 1900: nominal genera
5 valid species
Ptychorhynchus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 850.
Simpson, 1914, Descr. Cat. Naiades: 1144.
Type species: Unio pfisteri Heude, 1874 (orig. desig.) = Ptychorhynchus pfisteri |
Heudeana Frierson, 1922
Frierson, 1922, Nautilus 36: 43.
(intro'd as sub-gen. of Margaritana Schumacher, 1817)
Type species: Unio murinus Heude, 1883 (original designation) = Ptychorhynchus murinum |
Taxonomic History (since 1900)
Parreysia (s.s.) — Simpson (1900), Simpson (1914)
Ptychorhynchus — Simpson (1900), Simpson (1914), Haas (1924), Thiele (1934), ..., Zhang et al. (2024), Wu et al. (2024), Dai et al. (2025), Dai et al. (2025)
Hyriopsis (s.s.) — Simpson (1900), Simpson (1914)
Nodularia (s.s.) — Haas (1911), Simpson (1914)
Pseudodon — Simpson (1914), Bogan (2010), He & Zhuang (2013), Zieritz et al. (2018), Liu et al. (2020), Graf & Cummings (2021)
Pseudodon (s.s.) — Haas (1924), Haas (1969), Graf & Cummings (2007)
Heudeana — Modell (1942), Haas (1969), Prozorova et al. (2005)
Unio — Haas (1969), Liu et al. (1979), Hu (2005)
— Haas (1969), Liu et al. (1979)
Middendorffinaia (Pseudopotomida) — Moskvicheva & Starobogatov (1973)
Nasus — Prozorova et al. (2005)
Nodularia — Prozorova et al. (2005), Graf & Cummings (2007), Bogan (2010)
Pseudobaphia — Prozorova et al. (2005), Graf & Cummings (2007), Graf & Cummings (2021)
Hyriopsis — Graf & Cummings (2007), Bogan (2010)
Lamellidens — He & Zhuang (2013), Zieritz et al. (2018), Bogan & Do (2018), Liu et al. (2020)
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Page updated: 09:58:32 Tue 01 Jul 2025 |
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