Eremarionta greggi Willett, 1931 | 
Eremarionta rowelli acus (Pilsbry, 1939) | 
Eremarionta rowelli mexicana (Pilsbry & Lowe, 1934) |
Eremarionta rowelli rowelli (Newcomb, 1865) | 
Eremariontoides argus (Edson, 1912) | 
Glyptostoma gabrielense Pilsbry, 1938 |
Glyptostoma newberryanum (W.G.Binney, 1858) | 
Helminthoglypta allyniana Berry, 1920 | 
Helminthoglypta arrosa (Gould, 1855) |
Helminthoglypta arrosa rubicunda Rowell, 1902 | 
Helminthoglypta arrosa stiversiana (Cooper, 1875) | 
Helminthoglypta ayresiana (Newcomb, 1861) |
Helminthoglypta californiensis (I. Lea, 1838) | 
Helminthoglypta californiensis (Lea, 1838) | 
Helminthoglypta dupetithouarsi (Deshayes, 1840) |
Helminthoglypta exarata (Pfeiffer, 1857) | 
Helminthoglypta nickliniana (Lea, 1838) | 
Helminthoglypta nickliniana anachoreta (W.G.Binney, 1897) |
Helminthoglypta traski traski (Newcomb, 1861) | 
Helminthoglypta traski willetti (Berry, 1920) | 
Helminthoglypta tudiculata (A. Binney, 1843) |
Helminthoglypta tudiculata convicta (Pilsbry, 1913) | 
Helminthoglypta tudiculata imperforata Pilsbry, 1939 | 
Helminthoglypta tularensis sequoia Pilsbry, 1928 |
Helminthoglypta umbilicata (Pilsbry, 1898) | 
Helminthoglypta walkeriana (Hemphill, 1911) | 
Helminthoglypta warnerfontis Reeder & Miller, 1988 |
Hemitrochus caribaea (Weinland, 1880) | 
Hemitrochus cesticulus (Gundlach in Pfeiffer, 1858) | 
Hemitrochus cf. cesticulus (Gundlach in Pfeiffer, 1858) |
Hemitrochus cf. costantior (Weinland, 1880) | 
Hemitrochus cf. filicosta (Pfeiffer, 1845) | 
Hemitrochus cf. rufoapicata (Poey, 1858) |
Hemitrochus cf. varians (Menke, 1829) | 
Hemitrochus fuscolabiata Poey, 1854 | 
Hemitrochus gallopavonis (Valenciennes, 1846) |
Hemitrochus milleri (Pfeiffer, 1867) | 
Hemitrochus multifasciata polytaeniata (Pilsbry, 1889) | 
Hemitrochus penicillata (Gould in Pfeiifer, 1842) |
Hemitrochus rufoapicata (Poey, 1858) | 
Hemitrochus sp. 262417 | 
Hemitrochus troscheli (Pfeiffer, 1846) |
Hemitrochus varians (Menke, 1829) | 
Hemitrochus velasqueziana (Poey, 1857) | 
Hemotrochus maynardi Pilsbry, 1891 |
Herpeteros animasensis (Pilsbry, 1939) | 
Herpeteros inglesiana (S.S.Berry, 1928) | 
Herpeteros peninsularis (Pilsbry, 1916) |
Humboldtiana hogeana (von martens, 1892) | 
Humboldtiana montezuma Pilsbry, 1940 | 
Humboldtiana tescola Thompson, 1967 |
Jeanneretia bicincta (Menke, 1830) | 
Jeanneretia cf. subtussulcata (Wright in Pfeiffer, 1863) | 
Jeanneretia multistriata (Deshayes, 1832) |
Jeanneretia parraiana arangoi Clench & Aguayo, 1951 | 
Jeanneretia parraiana carinata Clench & Aguayo, 1951 | 
Jeanneretia parraiana depressa Clench & Aguayo, 1951 |
Jeanneretia parraiana paralella (Poey, 1858) | 
Jeanneretia parraiana parraiana (Orbigny, 1842) | 
Jeanneretia subtussulcata (Wright in Pfeiffer, 1863) |
Jeanneretia wrighti (Gundlach, 1865) | 
Leptarionta trigonostoma elevatoconica (Fischer & Crosse, 1872) | 
Lysinoe ghiesbreghti (Nyst, 1841) |
Lysinoe ghiesbreghti rufozonata (Martens, 1892) | 
Micrarionta baileyi (Bartsch, 1897) | 
Micrarionta beatula Cockerel, 1929 |
Micrarionta facta (Newcomb, 1864) | 
Micrarionta guadalupiana (Dall, 1898) | 
Micrarionta guadaluplana (Pilsbry & Vanatta, 1898) |
Micrarionta rufocincta (Newcomb, 1864) | 
Micrarionta sodalis micromphala Pilsbry, 1939 | 
Monadenia chaceana Berry, 1940 |
Monadenia fidelis (Gray, 1834) | 
Monadenia fidelis flava (Hemphill, 1892) | 
Monadenia infumata (Gould, 1855) |
Monadenia infumata subcarinata (Binney, 1892) | 
Monadenia mormonum (Pfeiffer, 1857) | 
Monadenia yosemitensis (Lowe, 1916) |
Oreohelix amariradix Pilsbry, 1933 | 
Oreohelix carinifera Pilsbry, 1912 | 
Oreohelix cf. strigosa depressa (Cockerell, 1890) |
Oreohelix elrodi (Pilsbry, 1900) | 
Oreohelix haydeni (Gabb, 1869) | 
Oreohelix haydeni betheli Pilsbry & Cockerell, 1913 |
Oreohelix haydeni hesperia Pilsbry, 1939 | 
Oreohelix haydeni oquirrhensis (Hemphill, 1886) | 
Oreohelix idahoensis (Newcomb, 1866) |
Oreohelix junii Pilsbry, 1934 | 
Oreohelix peripherica albofasciata (Hemphill, 1886) | 
Oreohelix peripherica binneyi (Hemphill, 1886) |
