Bythinella intermedia

Bythinella intermedia (formerly known as Bythinella austriaca austriaca) is a recently extinct species of very small freshwater snail, an aquatic gastropod mollusk in the family Amnicolidae.

Bythinella intermedia
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Bythinellidae
Genus:	Bythinella
Species:	B. intermedia
Binomial name
Bythinella intermedia (Melleville, 1843)

This species used to be endemic to Austria. The IUCN listed it as extinct in 2006.^[1]