Polygyridae
Polygyra auriculata Say, 1818
Polygyra auriformis (Bland, 1859)
Polygyra avara Say, 1818
Polygyra cereolus (Megerle von Muhlfeld, 1816)
Polygyra chisosensis (Pilsbry, 1936)
Polygyra delecta Hubricht, 1976
Polygyra deltoidea (Simpson, 1889)
Polygyra dorfueilliana (I. Lea, 1838)
Polygyra fastigiata (Say, 1829)
Polygyra gracilis Hubricht, 1961
Polygyra hausmani Jackson, 1948
Polygyra hippocrepis (Pfeiffer, 1848)
Polygyra jacksoni (Bland, 1866)
Polygyra leporina (Gould, 1848)
Polygyra mooreana (W. G. Binney, 1858)
Polygyra peninsulae Pilsbry, 1940
Polygyra peregrina (Rehder, 1832)
Polygyra plana (Dunker, 1843)
Polygyra plicata (Say, 1821)
Polygyra polita Pilsbry & Hinkley, 1907
Polygyra postelliana (Bland, 1859)
Polygyra pustula (Say, 1821)
Polygyra pustuloides (Bland, 1858)
Polygyra septemvolva Say, 1818
Polygyra simpsoni (Pilsbry & Ferriss, 1907)
Polygyra subclausa Pilsbry, 1940
Polygyra texasiana (Moricand, 1833)
Polygyra troostiana (I. Lea, 1839)
Polygyra uvulifera (Shuttleworth, 1852)