MUSSELp
 
MUSSELpdb
  Introduction
Browse
d'basing
 
Taxonomy
  all genera
Unionidae
Margaritiferidae
Hyriidae
Etheriidae
Mycetopodidae
Iridinidae

Species & Genus Richness by Taxonomy
 
Geography
  Summary
North America
Central America
South America
Afrotropics
North Eurasia
East Asia
Australasia

Species Richness & Endemism by Geography
 
 

Page last updated
Thu 17 July 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!

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Cyprogenia Agassiz, 1852: synonymy
     2 Recent valid species (2 total species)

Cyprogenia Agassiz, 1852
Agassiz, 1852. Arch. Naturg. 18(1): 47.
Type species: Unio irroratus Lea, 1828 (orig. desig.) = Cyprogenia stegaria

Crypogenia Fischer, 1887
‘Agassiz’ Fischer, 1887. Manuel Conchyl.: 1000.
(error for Cyprogenia Agassiz, 1852)

Cryptogenia Ortmann, 1909
Ortmann, 1909. Nautilus 22(9): 93.
(error for Cyprogenia Agassiz, 1852)

Taxonomic History (since 1900)

Obovaria — Simpson (1900), Simpson (1914)
Cyprogenia — Simpson (1900), Ortmann (1909), Ortmann (1909), Ortmann (1912), Simpson (1914), ... Smith et al. (2019), Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)
Unio (s.s.) — Call (1900)
Cryptogenia [sic] — Ortmann (1909)
Unio — de Gregorio (1914)

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."