''Megalonaias'' is a genus of
bivalve
Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bival ...
s belonging to the family
Unionidae
The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids.
The range of distribution for this family is world-wide. It is at its most diverse ...
.
The species of this genus are found in Central Asia and Northern America.
Species
Species:
*''
Megalonaias nervosa
''Megalonaias nervosa'' is a freshwater mussel species in the family Unionidae
The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids.
...
''
*''
Megalonaias nickliniana''
References
{{Taxonbar, from=Q3798830
Unionidae
Bivalve genera