Aphaostracon asthenes
The Blue Spring aphaostracon or Blue Spring hydrobe, scientific name Aphaostracon asthenes, is a species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Cochliopidae. Distribution
This species is endemic to Blue Spring in Florida. References

 Hershler R. & Thompson F.G. (1992) A review of the aquatic gastropod subfamily Cochliopinae (Prosobranchia: Hydrobiidae). Malacological Review suppl. 5: 1-140. Endemic molluscs of the United States
Aphaostracon
Gastropods described in 1968
Taxonomy articles created by Polbot