''Alasmidonta wrightiana'', the Ochlockonee arcmussel, was a species of freshwater mussel, an 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 in the family Unionidae, the river mussels. This species was endemic to the Ochlockonee River in Florida and Georgia. This river mussel is now

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

References

Extinct bivalves wrightiana Bivalves described in 1901 Taxa named by Edmund Murton Walker Taxonomy articles created by Polbot {{Unionidae-stub