FAMILIA OREOHELICIDAE
Oreohelix haydeni mixta (Pilsbry,1916)

Oreohelix peripherica multicostata (Hemphill,1886) 1 | 2 | 3

Oreohelix haydeni oquirrhensis (Hemphill,1886)

Oreohelix peripherica wasatchensis (Hemphill in Binney,1886)

Oreohelix idahoensis (Newcomb,1866) 1 | 2 | 3
Oreohelix strigosa depressa (Pilsbry,1904) 1 | 2 | 3
Oreohelix peripherica albofasciata (Hemphill,1886) 1 | 2 | 3

Oreohelix subrudis rugosa (Hemphil,1890)

Oreohelix peripherica binneyi (Hemphill,1886) 1 | 2 | 3