Hydrobiidae Simpson, 1865
Cincinnatia cincinnatiensis
Cincinnatia comalensis (Pilsbry & Ferriss, 1906)
Cincinnatia floridana (Frauenfeld, 1863)
Cincinnatia fraterna F. G. Thompson, 1968
Cincinnatia helicogyra F. G. Thompson, 1968
Cincinnatia integra (Say, 1829)
Cincinnatia mica F. G. Thompson, 1968
Cincinnatia monroensis (Dall, 1885)
Cincinnatia parva F. G. Thompson, 1968
Cincinnatia peracuta Pilsbry & Walker, 1889
Cincinnatia petrifons F. G. Thompson, 1968
Cincinnatia ponderosa F. G. Thompson, 1968
Cincinnatia vanhyningi (Vanatta, 1934)
Cincinnatia wekiwae F. G. Thompson, 1968
Cincinnatia winkleyi (Pilsbry, 1912)