Thick-lipped pebblesnail

Thick-lipped pebblesnail
Conservation status
Extinct  (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha
Superfamily:	Truncatelloidea
Family:	Hydrobiidae
Genus:	Somatogyrus
Species:	S. crassilabris
Binomial name
Somatogyrus crassilabris Walker, 1915

The thick-lipped pebblesnail, scientific name Somatogyrus crassilabris, was a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae, the mud snails. This species was endemic to the United States. Its natural habitat was rivers. It is now extinct.

References

• Cordeiro, J.; Perez, K. (2011). "Somatogyrus crassilabris". The IUCN Red List of Threatened Species. 2011. IUCN: e.T20355A9190667. doi:10.2305/IUCN.UK.2011-2.RLTS.T20355A9190667.en. Retrieved 15 January 2018. {{cite journal}}: Unknown parameter |last-author-amp= ignored (|name-list-style= suggested) (help)