''Amblema'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of freshwater mussels, aquatic

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 ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the family Unionidae, the river mussels.

Species within the genus ''Amblema''

* '' Amblema elliottii'' (Coosa threeridge) * '' Amblema neislerii'' (Fat threeridge) * '' Amblema plicata'' (Threeridge)

References

Unionidae Taxonomy articles created by Polbot Bivalve genera Taxa named by Constantine Samuel Rafinesque {{Unionidae-stub