Somatogyrus

Somatogyrus is a genus of very small freshwater and brackish water snails that have an operculum, aquatic gastropod micromolluscs in the family Lithoglyphidae.

==Species== Species within the genus Somatogyrus include: Reverse pebblesnail, Somatogyrus alcoviensis Somatogyrus aldrichi (W) Ouachita pebblesnail, Somatogyrus amnicoloides Golden pebblesnail, Somatogyrus aureus Angular pebblesnail, Somatogyrus biangulatus Knotty pebblesnail, Somatogyrus constrictus Coosa pebblesnail, Somatogyrus coosaensis Thick-lipped pebblesnail, Somatogyrus crassilabris Stocky pebblesnail, Somatogyrus crassus Tennessee pebblesnail, Somatogyrus currierianus Hidden pebblesnail, Somatogyrus decipiens Sandbar pebblesnail, Somatogyrus depressus Ovate pebblesnail, Somatogyrus excavatus Cherokee pebblesnail, Somatogyrus georgianus Fluted pebblesnail, Somatogyrus hendersoni Granite pebblesnail, Somatogyrus hinkleyi Atlas pebblesnail, Somatogyrus humerosus Ohio pebblesnail, Somatogyrus integra Dwarf pebblesnail, Somatogyrus nanus Moon pebblesnail, Somatogyrus obtusus Sparrow pebblesnail, Somatogyrus parvulus Shale pebblesnail, Somatogyrus pennsylvanicus Tallapoosa pebblesnail, Somatogyrus pilsbryanus Compact pebblesnail, Somatogyrus pumilus Pygmy pebblesnail, Somatogyrus pygmaeus Quadrate pebblesnail, Somatogyrus quadratus Flint pebblesnail, Somatogyrus rheophilas Elk pebblesnail, Somatogyrus rosewateri Mud pebblesnail, Somatogyrus sargenti Rolling pebblesnail, Somatogyrus strengi Choctaw pebblesnail, Somatogyrus substriatus Savannah pebblesnail, Somatogyrus tenax Opaque pebblesnail, Somatogyrus tennesseensis Somatogyrus trothis Coldwater pebblesnail, Somatogyrus tryoni Panhandle pebblesnail, Somatogyrus virginicus Gulf Coast pebblesnail, Somatogyrus walkerianus Channeled pebblesnail, Somatogyrus wheeleri Species brought into synonymy: Somatogyrus clenchi, synonym of Aroapyrgus clenchi Somatogyrus mexicanus, synonym of Aroapyrgus mexicanus Somatogyrus subglobosus, synonym of Birgella subglobosa Somatogyrus umbilicatus, synonym of Clappia umbilicata