ELLIOTT ET AL.: THE CAVE FAUNA OF CALIFORNIA 
191 
Sabacon briggsi Shear 
Records: Santa Cruz Co.: Empire Cave; Steams Cave. 
Bibliography: Ubick (2001). 
Sabacon siskiyou Shear 
Record: Trinity Co.: Pype Cave. 
Family Taracidae 
Hesperonemastoma sp. 
Records: Tulare Co.: Cedar Cave; Palmer Cave. 
Bibliography: Krejca (2006); Lee, V.F. (1985). 
Hesperonemastoma modestum (Banks) 
Records: Calaveras Co.: Carlow’s Bat Cavern. Tuolumne Co.: Transplant Mine. 
Bibliography: Elliott (1978); McEachem and Grady (1978). 
Oskoron and Taracus sp. 
Records: Shasta Co.: Burnt Elderberry Cave; Christmas Tree Cave; Elisha Cave; Flashlight Cave; North Christmas Tree 
Cave; Wilcox Cave. Sierra Co.: Avalanche Cave. Siskiyou Co.: Apogee Cave; Corkscrew Cave; Frozen Falls Cave; 
Horta’s Den; Marble Gap Cave; Planetary Dairy Cave; Skunk Hollow Cave; Trail Junction Cave. Tehama Co.: Wilson 
Lake Ice Cave. Trinity Co.: Forest Glen Caves; Trinity Natural Bridge and Cave. Tulare Co.: Deep Creek Cave; Marmot 
Falls Cave; Marmot Highway Cave. 
Bibliography: Audisio (2009a); Briggs (1969); Graening (2011a, 2011c); Krejca (2006). 
Oskoron spinosus (Banks) (troglophile) 
Record: Fresno Co: Shaver Cave. Sierra Co.: Avalanche Cave; cave near Avalanche Cave. Trinity Co.: Indian Valley 
Creek Cave. Tulare Co.: Cirque Cave; Lilbum Cave. 
Bibliography: Shear and Warfel (2016). 
Comment: This species, previously classified as Taracus spinosus, is syntopic with Taracus audisioae in Cirque Cave. 
Records from Cirque Cave previously were listed in our database as Taracus n. sp. no. 1 (troglobite) and White Chief Cave 
as Taracus n. sp. no. 2. 
Bibliography: Despain (2006); Krejca (2006); Shear and Warfel (2016). 
Taracus audisioae Shear (troglophile) 
Records: Fresno Co.: Black Lake Cave; Hidden Pond Cave; Meander Cave (type locality). Tulare Co.: Cedar Cave; 
Cirque Cave; Jordan Cave; Lilbum Cave; May’s Cave; Panorama/Sink Cave System; Pet Cemetery Cave; Seldom Seen 
Cave; White Chief Cave. Tuolumne Co.: Fivescythe Cave; Forscythe Cave; Waterfall Cave. 
Bibliography: Briggs (1969b); Despain (2006, 2009a); Krejca (2006); Lee (1985a); Shear and Warfel (2016). 
Comment: This is the largest species of Taracus and is syntopic with Oscoron spinosus in Cirque Cave. Some records were 
previously listed in our database as Taracus n. sp. no. 2 (troglophile). 
Taracus fluvipileus Shear (troglobite) 
Record: Shasta Co.: Alien Space Cave; Bat Mummy Cave; Christmas Tree Cave; North Christmas Tree Cave; Parrish 
Cave; Pecan Cave; Planetarium Cave; Rusty Cave; Subway Cave (type locality). 
Bibliography: Peck (1973a); Shear and Warfel (2016). 
Taracus ubicki Shear (troglophile) 
Records: Santa Cruz Co.: Empire Cave; Steams Cave. Siskiyou Co.: Planetary Dairy Cave; Skunk Hollow Cave. Trini¬ 
ty Co.: Forest Glen Caves. 
Comment: This species previously was listed as Taracus n. sp. no. 3 (troglophile) in our database. 
Bibliography: Ubick (2001); Shear and Warfel (2016). 
