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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 | Ambleminae | Lampsilini

genus Arotonaias Martens, 1900: synonymy
     4 Recent freshwater species (4 total species)

Arotonaias Martens, 1900
Martens, 1900. Biol. Centr.-Amer., Moll.: 480, 497.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio cyrenoides Philippi, 1847 (sub. desig. by Simpson, 1914: 311) = Arotonaias cyrenoides

Ptychoderma Simpson, 1900
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 606.
Simpson, 1914. Descr. Cat. Naiades: 306.
(intro'd as sub-gen. of Plagiola Rafinesque, 1819)
Type species: Unio cyrenoides Philippi, 1847 (orig. desig.) = Arotonaias cyrenoides

Artonaias Simpson, 1914
‘von Martens’ of Authors.
Simpson, 1914. Descr. Cat. Naiades: 311.
H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): ??.
(error for Arotonaias Martens, 1900)

Reticulatus Frierson, 1927
Frierson, 1927. Check List N. Amer. Naiades: 10 [as ‘Reticulata’], 38.
(intro'd as sub-gen. of Elliptio Rafinesque, 1819)
Type species: Nephronaias reticulatus Simpson, 1900 (orig. desig.) = Arotonaias reticulata

Taxonomic History (since 1900)

Plagiola (Ptychoderma)Simpson (1900)
Unio (Arotonaias)Martens (1900)
PlagiolaSimpson (1900), Goodrich & van der Schalie (1937)
NephronaiasSimpson (1900), Simpson (1900), Simpson (1914)
Plagiola (Arotonaias)Simpson (1914)
ArotonaiasFrierson (1927), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Bieler (2021), Cummings et al. (2025)
Elliptio (Reticulatus)Frierson (1927)
PachynaiasHaas (1929)
ElliptioThiele (1934)
Nephronaias (Reticulatus)Haas (1969), Haas (1969)
ReticulatusGraf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)

 
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