Glyptostoma gabrielense Pilsbry, 1938 | 
Glyptostoma newberryanum (W.G.Binney, 1858) | 
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 |
Micrarionta baileyi (Bartsch, 1897) | 
Micrarionta beatula Cockerel, 1929 | 
Micrarionta facta (Newcomb, 1864) |
Micrarionta rufocincta (Newcomb, 1864) | 
Micrarionta sodalis micromphala Pilsbry, 1939 | 
Monadenia chaceana Berry, 1940 |
Monadenia fidelis (Gray, 1834) | 
Monadenia infumata (Gould, 1855) | 
Monadenia infumata subcarinata (Binney, 1892) |
Monadenia mormonum (Pfeiffer, 1857) | 
Monadenia yosemitensis (Lowe, 1916) | 
Sonorelix angelus (Gregg, 1949) |
Sonorelix avawatzica (S.S.Berry, 1930) | 
Sonorelix baileyi eremita (Pilsbry, 1939) | 
Sonorelix borrogoensis (S.S.Berry, 1929) |
Sonorelix borrogoensis ora (Willett, 1929) | 
Sonorelix melanopylon (S.S.Berry, 1930) | 
Sonorelix micrometalleus (S.S.Berry, 1930) |
Sonorelix rixfordi (Pilsbry, 1919) | 
Xerarionta kelletti (Forbes, 1850) | 
Xerarionta tryoni (Newcomb, 1864) |
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