ELLIOTT ET AL.: THE CAVE FAUNA OF CALIFORNIA 
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Grapevine Gulch Cave; Mercer Caverns; Moaning Cave; Music Hall Cave; Secret Cave. El Dorado Co.: Crystal Cosumnes 
Cave. Fresno Co.: Beauty Cave; Boyden Cave; Church Cave; Saturday Cave. Inyo Co.: Titus Canyon Cave. San 
Bernardino Co.: Virginia’s Mine Cave. Santa Cruz Co.: Dolloff Cave; Empire Cave; IXL Cave; Steams Cave; Stump 
Cave. Tulare Co.: Rattlesnake Cave; Ursa Minor Cave. Tuolumne Co.: Crystal Palace; McLean’s Cave; Scorpion Cave; 
Transplant Mine; Windeler Cave. 
Comment: This isopod, though blind and depigmented, was originally known from the sea shore at San Mateo, San Mateo 
County, and up to 1200 m in Muir Woods, Marin County. It occurs in leaf litter and other organic debris. It was transplant¬ 
ed from McLean’s Cave to the Transplant Mine. The other species in the genus, all troglobitic, are known from Arizona, 
New Mexico, Texas, and eastern Mexico. 
Bibliography: Bosted (1994b); Briggs (1975, 1987, 1991); Elliott (1978); Graening (2010); Krejca (2006, 2009); Lewis 
(2004); McEachem and Grady (1978); Reddell (1981); Rogers (2004b, 2010b, 2010c); Rogers and Legge (1987, 1995); 
Schultz (1981); Ubick (2001). 
ORDER AMPHIPODA 
Undetermined 
Records: Amador Co.: Skeleton Cave. Siskiyou Co.: Daystream Cave; Skunk Hollow Cave. Ventura Co.: Clear Springs 
Cave. 
Bibliography: Graening (2011c). 
Family Crangonyctidae 
Stygobromus spp. 
Records: Alameda Co.: Palo Seco Creek; San Leandro Creek Site SLC 4. Butte Co.: Sucker Run Creek, near Forbestown. 
Calaveras Co.: spring 5 km southeast of Angel’s Camp; Grapevine Gulch Cave. Contra Costa Co.: Reliez Creek at 3400 
Springdale Road; San Leandro Creek at Canyon School; San Leandro Creek at Huckleberry Park; Wildcat Creek at Big 
Springs. El Dorado Co.: North Cosumnes River and tributary seeps at Sciaroni Crossing, 3 km N of Grizzly Flat; North 
Cosumnes River, spring tributary upstream of Meiss, 18 km E of Grizzly Flat; Harrel Fire Tank spring tributary to Long 
Canyon 5 km NE of Grizzly Flat; Big Canyon Creek, 5 km E of Grizzly Flat; south bank of North Cosumnes River, about 
3 km W of Capps Crossing; Snow Creek, 13 km E of Jenkinson Reservoir; Knickerbocker Creek spring tributary, 1 mi. W 
of Hwy. 49 ; Singleton Springs, headwaters of North Cosumnes River; Stump Spring, 16 km E of Jenkinson Reservoir. 
Glenn Co.: Cold Creek, 1.3 mi. above confluence with Plasket Creek. Humboldt Co.: Mason Gulch at Hwy. 299 (upper 
Willow Creek); Red Mountain Creek, Forest Service Road 10N12; South Fork Eel River above Briceland Bridge; Redwood 
Creek, 0.4 mi. above South Fork Eel River; Sholes Creek, 1.7 mi. above confuence with Mattole River; Squaw Creek, 0.3 
mi. above Bull Creek. Lake Co.: Rice Fork Creek below Bear Creek confluence; Highland Creek. Lassen Co.: Ash Creek. 
Los Angeles Co.: Lower Santa Monica Canyon and Elizabeth Canyon. Marin Co.: Bill Williams Creek, 5 kmNW of Corte 
Madero; Gerbode Valley. Mendocino Co.: Sugar Creek, Angelo Coast Range Reserve headquarters; Elder Creek, north of 
Branscomb, Nature Conservancy Reserve; Mud Creek 1 mi. above South Fork Eel River; North Fork of South Fork Noyo 
River, 0.2 mi. above confluence; Redwood Creek above Mill Creek. Modoc Co.: Canyon Creek at Hwy. 71. Mono Co.: 
Swauger Creek; upper Owens River at Big Springs, Inaya, and EBASCO site. Monterey Co.: Arnold Spring; San Clemente 
Creek, 1.3 mi. above Black Rock Creek. Napa Co.: Browns Valley Creek; Cameras Creek; Kimball Creek; Kreuse Creek; 
Napa River; Pickle Creek; Ritchey Creek; Sarco Creek; Sulphur Creek; York Creek. Placer Co.: Miners Ravine. Plumas 
Co.: Grizzly Creek, near Walker Mine, 19 km east of Quincy; Chips Creek. San Luis Obispo Co.: Arroyo de la Cruz at 
Hwy. 1; Coon Creek at Pecho Valley Rd. Santa Clara Co.: Upper Stevens Creek; Chestnut Picnic Area, Stevens Creek 
County Park. Santa Cruz Co.: Empire Cave. Shasta Co.: Bear Creek, Parkeville Rd., 8.5 mi S of Millville; Brandy Creek 
above South Shore Drive. Sierra Co.: Yuba River, 0.9 mi. downstream of Indian Creek. Siskiyou Co.: Fall Creek (tribu¬ 
tary to Klamath River); above and below PacifiCorp’s bypass; Yreka Creek above Interstate 5; Scott River above Etna 
Creek. Sonoma Co.: Blue Spring, Geyserville area; Big Sulphur Creek, 1.2 mi. above Geyser Canyon Creek; Gilliam 
Creek. Stanislaus Co.: Orestimba Creek above Orestimba Road. Trinity Co.: unnamed, intermittent creek on Hwy. 299, 
river mile mark 16.23; Grassy Flat Creek, 0.2 mi. upstream of Hayfork Creek. Tuolumne Co.: spring 5.5 km southeast of 
Sonora. Ventura Co.: Lion Canyon, Tule Ceek, and Piru Creek. Yolo Co.: Cache Creek. 
Bibliography: Breaux, Bom, Suer, Cochran, and Looker (2005); Cressey and Sommers (2004); Graening, Rogers, 
Holsinger, Barr, and Bottorff (2012). 
Stygobromus n. sp. (hubbsi group) (phreatobite) 
Record: Los Angeles Co.: Malibu Creek. 
Comment: This species was taken from benthic sampling. 
Bibliography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012). 
