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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 | ... | Unionidae | Ambleminae | Popenaiadini | Barynaias

species Barynaias caldwellii (Lea, 1858): synonymy
     33 specimens

Unio caldwellii Lea, 1858
Lea, 1858. Proc. Acad. Nat. Sci. 10: 118.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 265 [83], pl. 43, fig. 145.
Type(s): HOLOTYPE USNM_84396, Isthmus of Darien.

Nephronaias caldwelliiSimpson (1900), Simpson (1914)
Unio (Arotonaias) caldwelliiMartens (1900)
Elliptio (Barynaias) averyiFrierson (1927)
Elliptio (Nephronaias) averyiHaas (1929)
Barynaias caldwelliiHaas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)

Unio averyi Lea, 1859
Lea, 1859. Proc. Acad. Nat. Sci. 11: 281.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 269 [87], pl. 44, fig. 149.
Type(s): HOLOTYPE USNM_84385, Chumnagua R., Isth. of Darien.

Nephronaias averyiSimpson (1900), Ihering (1901), Simpson (1914)
Unio (Arotonaias) caldwelliiMartens (1900)
Elliptio (Barynaias) averyiFrierson (1927)
Elliptio (Nephronaias) averyiHaas (1929)
Barynaias caldwelliiHaas (1969)

Taxonomic History (since 1900)

Nephronaias caldwelliiSimpson (1900), Simpson (1914)
Unio (Arotonaias) caldwelliiMartens (1900)
Nephronaias averyiSimpson (1900), Ihering (1901), Simpson (1914)
Elliptio (Barynaias) averyiFrierson (1927)
Elliptio (Nephronaias) averyiHaas (1929)
Barynaias caldwelliiHaas (1969), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021)

 
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