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 valid species are listed, Recent taxa first.

Search the database pages:

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Pachynaias Crosse & Fischer, 1894: valid species
     2 nominal genera as synonyms | Cladomics

Pachynaias rugososulcata (Lea, 1866) 2 synonyms | 0 specimens Range: Nicaragua. [Central America] Other web sites: ITIS MolluscaBase.

Pachynaias spheniopsis (Morelet, 1849) 1 synonym | 31 specimens Range: Northern Guatemala to southern Mexico. [Central America] Genbank sequences: 16S, 28S, COI, SRA. Other web sites: ITIS MolluscaBase.

Page updated: 07:03:27 Thu 04 Apr 2024