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Data last updated
Thu 18 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Delphinonaias Crosse & Fischer, 1894: synonymy

2 Recent freshwater species (2 total species)

Synonymy

Delphinonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 555.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio delphinulus Morelet, 1849 (orig. desig.) = Delphinonaias largillierti

Phyllonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 555.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio paludosus Morelet, 1849 (orig. desig.) = Delphinonaias largillierti

Delphinonais Frierson, 1927

‘Crosse & Fischer’ Frierson, 1927. Check List N. Amer. Naiades: 84.
(error for Delphinonaias Fischer & Crosse, 1894)
Type species: Unio delphinulus Morelet, 1849 = Delphinonaias largillierti

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Delphinonaias, since 1900.

Lampsilis (Proptera)Simpson (1900), Simpson (1914)
Unio (Metaptera)Martens (1900)
Lampsilis (Delphinonaias)Frierson (1927), Haas (1929), Haas (1969), Haas (1969)
Lampsilis (sec. Delphinonaias)Thiele (1934)
Lampsilis (sec. Phyllonaias)Thiele (1934)
LeptodeaGoodrich & van der Schalie (1937)
Lampsilis (Phyllonaias)Haas (1969), Haas (1969)
PotamilusGraf & Cummings (2007)
DelphinonaiasGraf & Cummings (2007), Bogan (2010), Zieritz et al. (2013), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)

 
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