Sonorella simmonsi W.B. Miller, 1966 Arizona, Pinal County
Micrarionta sodalis (H. Hemphill, 1901)
Helminthoglypta sonoma H.A. Pilsbry, 1937 Mexico
Helminthoglypta stageri G. Willett, 1938 California, Kern County
Micrarionta sternsiana (K.T. Menke, 1829)
Septipellis stigmatica (L. Pfeiffer, 1861) Cuba21 mm
Helminthoglypta stiversiana (J.G. Cooper, 1876) California24,7 mm
Polymita sulphurosa (P.M.A. Morelet, 1849) Cuba17,5 mm
Polymita sulphurosa albida C. de la Torre, 1950 Cuba16,1 mm
Polymita sulphurosa flammulata C. de la Torre, 1950 Cuba20,7 mm
Polymita sulphurosa rubra C. de la Torre, 1950 Cuba18 mm
Polymita sulphurosa viridis C. de la Torre, 1950 Cuba23,1 mm
Sonorella superstitionis H.A. Pilsbry, 1939 Arizona, Maricopa County
Helminthoglypta talmadgei B. Roth, 1988
Helminthoglypta taylori D.M. Reeder & B. Roth,1988 California, San Bernardino
Helminthoglypta tejonis S.S. Berry, 1930
Helminthoglypta thermimontis S.S. Berry, 1953 California, San Diego County
Sonorella todseni W.B. Miller, 1976 New Mexico, Dona Ana County
Sonorella torreonica E. Naranjo-Garcia, 1989 Mexico, Sonora
Sonorella tortillita H.A. Pilsbry& J.H. Ferriss, 1919 Arizona, Pinal County
Helminthoglypta traskii (W. Newcomb, 1861) USA, California21,8 mm
Helminthoglypta traskii willetti (S.S. Berry, 1920) USA, California17 mm
Sonorella tryoniana H.A. Pilsbry& J.H. Ferriss, 1923 Arizona, Santa Cruz County
Helminthoglypta tudiculata (A. Binney, 1843) California27 mm
Helminthoglypta tudiculata angelena S.S. Berry, 1938 California25,4 mm
Helminthoglypta tudiculata imperforata H.A. Pilsbry, 1939 California26,3 mm
Helminthoglypta tularensis H. Hemphill, 1892 California, Kern County
Helminthoglypta tularensis sequoia H.A. Pilsbry, 1928 California20,1 mm
Sonorella tumacacori H.A. Pilsbry& J.H. Ferriss, 1919
Sonorella tumamocensis H.A. Pilsbry& J.H. Ferriss, 1915
Helminthoglypta umbilicata H.A. Pilsbry, 1898 California27,2 mm
Helminthoglypta uvasana B. Roth & F.G. Hochberg,1992
Polymita varians (K.T. Menke, 1829) Florida
Helminthoglypta vasquezi B. Roth & F.G. Hochberg,1992
Helminthoglypta venturensis P. Bartsch, 1916