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Genus: Oreohelix H.A. Pilsbry, 1904 (DB: 45 SP)
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Oreohelix alpina
(M.J. Elrod, 1901)
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Oreohelix amariradix
H.A. Pilsbry, 1934
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Oreohelix anchana
W.O. Gregg, 1953
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Oreohelix barbata
H.A. Pilsbry, 1905
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Oreohelix caenosa
H.A. Pilsbry, 1948
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Oreohelix californica
S.S. Berry, 1931
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Oreohelix carinifera
H.A. Pilsbry, 1912
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Oreohelix clappi
J.H. Ferriss, 1904
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Oreohelix concentrata
(W.H. Dall, 1896)
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Oreohelix confragosa
A. Metcalf, 1974
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Oreohelix discus
C.C. Christensen & W.B. Miller, 1976
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Oreohelix elrodi
(H.A. Pilsbry, 1900)
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Oreohelix eurekensis
J. Henderson & L.E. Daniels, 1916
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Oreohelix florida
H.A. Pilsbry, 1939
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Oreohelix hammeri
H.L. Fairbanks, 1984
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Oreohelix handi
H.A. Pilsbry & J.H. Ferriss, 1918
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Oreohelix hatchetana
H.A. Pilsbry, 1915
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Oreohelix haydeni
(W.M. Gabb, 1869)
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Oreohelix hemphilli
(W. Newcomb, 1869)
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Oreohelix hendersoni
H.A. Pilsbry, 1912
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Oreohelix houghi
W.B. Marshall, 1929
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Oreohelix howardi
D.T. Jones, 1944
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Oreohelix idahoensis
(W. Newcomb, 1866)
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Oreohelix intersum
(H. Hemphill, 1890)
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Oreohelix jaegeri
S.S. Berry, 1931
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Oreohelix jugalis
(H. Hemphill, 1890)
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Oreohelix junii
H.A. Pilsbry, 1934
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Oreohelix litoralis
Crews & A. Metcalf, 1982
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Oreohelix magdalenae
H.A. Pilsbry, 1939
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Oreohelix megarche
T.D.A. Cockerell & J. Henderson, 1912 † (FOSSIL)
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Oreohelix metcalfei
T.D.A. Cockerell, 1905
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Oreohelix nevadensis
S.S. Berry, 1932
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Oreohelix parawanensis
W.O. Gregg, 1941
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Oreohelix peripherica
(C.M.F. Ancey, 1881)
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Oreohelix pilsbryi
J.H. Ferriss, 1917
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Oreohelix pygmaea
H.A. Pilsbry, 1913
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Oreohelix socorroensis
H.A. Pilsbry, 1905
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Oreohelix strigosa
(A.A. Gould, 1846)
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Oreohelix subrudis
(L.A. Reeve, 1854)
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Oreohelix swopei
H.A. Pilsbry & J.H. Ferriss, 1917
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Oreohelix tenuistriata
J. Henderson & L.E. Daniels, 1916
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Oreohelix uinta
J. Brookes, 1939
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Oreohelix vortex
S.S. Berry, 1932
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Oreohelix waltoni
G.A. Solem, 1975
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Oreohelix yavapai
H.A. Pilsbry, 1905
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Genus: Radiocentrum H.A. Pilsbry, 1905 (DB: 8 SP)
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Radiocentrum avalonense
(H. Hemphill in H.A. Pilsbry, 1905)
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Radiocentrum chiricahuanum
H.A. Pilsbry, 1905
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Radiocentrum exorbitans
(W.B. Miller, 1973)
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Radiocentrum ferrissi
H.A. Pilsbry, 1915
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Radiocentrum hachetanum
H.A. Pilsbry, 1915
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Radiocentrum labrenana
(H.A. Pilsbry, 1948)
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Radiocentrum orientalis
A. Metcalf, 1980
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Radiocentrum victoriana
(H.A. Pilsbry, 1904)
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