Turgid riffle shell

Turgid riffle shell
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionoida
Family: Unionidae
Genus: Epioblasma
Species: E. turgidula
Binomial name
Epioblasma turgidula
(Lea, 1858)
Synonyms

Dysnomia turgidula Lea, 1858

The turgid riffle shell, turgid-blossom naiad, turgid-blossom pearly mussel, or turgid-blossom, scientific name Epioblasma turgidula, was a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.

This species was endemic to the United States. It is now extinct.

Source