Oreohelicidae
Oreohelix alpina (Elrod, 1901)
Oreohelix amariradix Pilsbry, 1934
Oreohelix anchana Gregg, 1953
Oreohelix barbata Pilsbry, 1905
Oreohelix californica S. S. Berry, 1931
Oreohelix carinifera Pilsbry, 1912
Oreohelix concentrata (Dall, 1896)
Oreohelix confragosa Metcalf, 1974
Oreohelix elrodi (Pilsbry, 1900)
Oreohelix eurekensis J. Henderson & Daniels, 1916
Oreohelix florida Pilsbry, 1939
Oreohelix grahamensis Gregg & W. B. Miller, 1974
Oreohelix hammeri Fairbanks, 1984
Oreohelix handi Pilsbry & Ferriss, 1918
Oreohelix haydeni (Gabb, 1869)
Oreohelix hemphilli (Newcomb, 1869)
Oreohelix hendersoni Pilsbry, 1912
Oreohelix houghi W. B. Marshall, 1929
Oreohelix howardi Jones, 1944
Oreohelix idahoensis (Newcomb, 1866)
Oreohelix intersum (Hemphill, 1890)
Oreohelix jaegeri S. S. Berry, 1931
Oreohelix jugalis (Hemphill, 1890)
Oreohelix junii Pilsbry, 1934
Oreohelix litoralis Crews & Metcalf, 1982
Oreohelix magdalenae Pilsbry, 1939
Oreohelix megarche
Oreohelix metcalfei Cockerell, 1905
Oreohelix nevadensis S. S. Berry, 1932
Oreohelix parawanensis Gregg, 1941
Oreohelix peripherica (Ancey, 1881)
Oreohelix pilsbryi Ferriss, 1917
Oreohelix pygmaea Pilsbry, 1913
Oreohelix socorroensis Pilsbry, 1905
Oreohelix strigosa (Gould, 1846)
Oreohelix subrudis (Reeve, 1854)
Oreohelix swopei Pilsbry & Ferriss, 1917
Oreohelix tenuistriata J. Henderson & Daniels, 1916
Oreohelix uinta Brooks, 1939
Oreohelix variabilis J. Henderson, 1929
Oreohelix vortex S. S. Berry, 1932
Oreohelix waltoni Solem, 1975
Oreohelix yavapai Pilsbry, 1905
