Kingdom Animalia Superfamily Truncatelloidea Genus Somatogyrus Higher classification Somatogyrus | Phylum Mollusca Family Hydrobiidae Scientific name Somatogyrus alcoviensis Rank Species | |
The reverse pebblesnail, scientific name Somatogyrus alcoviensis, was a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.
This species was endemic to the United States. It is now extinct.
References
Reverse pebblesnail Wikipedia(Text) CC BY-SA