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PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 64, Supplement 1 
Monadenia (Shastelix) churchi Hanna and Smith (Klamath side-band snail) (troglophile?) 
Records: Shasta Co.: Ancient Palace Cave; Elk Antler Cave; Monadenia Cave; Samwel Cave. Siskiyou Co.: Broken 
Down Palace; Echoplex Cave; Hoyle’s Half-Dollar Hole; Planetary Dairy Cave; Skunk Hollow Cave; Stash Talus Cave; 
Trail Junction Cave; Wahashin Cave. Trinity Co.: Del Loma Cave; Hall City Cave; Trinity Natural Bridge and Cave. 
Bibliography: Graening (2011c); Roth, B. (1981). 
Monadenia ( Shastelix ?) marmarotis Berry (troglophile?) 
Records: Siskiyou Co.: Bighorn Cave; Marble Gap Cave; Planetary Dairy Cave; Skunk Hollow Cave; Trail Junction Cave; 
Upstairs-Downstairs Cave. 
Bibliography: Roth, B. (2001); Rudolph et al. (1985); Suggett (1982). 
Monadenia ( Shastelix ) troglodytes Hanna and Smith (Shasta sideband snail) (troglophile) 
Records: Shasta Co.: Bat Cave 
Comment: Danehy (1951b) cited Hanna and Smith (1933) as believing this species to be extinct. It has been collected in 
many caves in recent years and we have also collected it on the surface 48 and 56 km northeast of Redding, Shasta Coun¬ 
ty- 
Bibliography: Danehy (1951b); Hanna and Smith (1933); Pilsbry (1939); Smith, A.G. (1957). 
Monadenia ( Shastelix ) troglodytes troglodytes Hanna and Smith (troglophile) 
Records: Shasta Co.: Chute Cave; Crystal-Shasta Cave; Potter Creek Cave; Samwel Cave (type locality); Shasta Lake 
Caverns. 
Bibliography: Danehy (1951b); Hanna and Smith (1933); Pilsbry (1939); Roth, B. (1981); Smith, A.G. (1957). 
Monadenia ( Shastelix ) troglodytes wintu Roth (troglophile) 
Records: Shasta Co.: caves at headwaters of Brock Creek drainage; unnamed cave in Brock Creek Limestone; shelter 
below and to left of Goblin Shelter; unnamed cave in gray rocks on NE-SW trending ridge; unnamed cave between two 
limestone buttes at south end of Gray Rocks (type locality); caves above Pit River arm of Shasta Lake; Elk Antler Cave; 
Monadenia Cave. 
Bibliography: Roth, B. (1981). 
Family Polygyridae 
Trilobopsis roperi (Pilsbry) (Shasta chaparral snail) 
Records: Shasta Co.: Elk Antler Cave. 
Vespericola shasta (Berry) (Shasta hesperian snail) 
Records: Shasta Co.: Monadenia Cave. 
Comment: We have also collected this species in McCloud River Canyon, 56 km northeast of Redding. 
Family Pristolomatidae 
Pristiloma sp. 
Records: Shasta Co.: Shasta Lake Caverns. Tuolumne Co.: Snell’s Cave; Windeler Cave. 
Pristiloma cf. nicholsoni Baker 
Record: Santa Cruz Co.: IXL Cave. 
Pristiloma cavator Roth (excavator snail) 
Record: Shasta Co.: Samwel Cave (type locality). 
Comment: The species is known only from empty shells. 
Bibliography: Roth, B. (1998). 
Pristiloma chersinella (Dali) (black-footed tight coil snail) 
Record: Tuolumne Co.: McLean’s Cave. 
Bibliography: Smith, A.G. (1957). 
