Taxa Count: 28

HYDROBIIDAE

Somatogyrus

Somatogyrus aureus

Somatogyrus biangulatus

Somatogyrus constrictus

Somatogyrus coosaensis

Somatogyrus crassilabris

Somatogyrus crassus

Somatogyrus currierianus

Somatogyrus decipiens

Somatogyrus depressus

Somatogyrus excavatus

Somatogyrus georgianus

Somatogyrus hinkleyi

Somatogyrus humerosus

Somatogyrus integra

Somatogyrus nanus

Somatogyrus obtusus

Somatogyrus pennsylvanicus

Somatogyrus pilsbryanus

Somatogyrus pumilus

Somatogyrus quadratus

Somatogyrus strengi

Somatogyrus substriatus

Somatogyrus tennesseensis

Somatogyrus tryoni

Somatogyrus walkerianus

Somatogyrus wheeleri

LITHOGLYPHIDAE

Somatogyrus aldrichi