164 
PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 64, Supplement 1 
Stygobromus n. sp. aff. mackenziei Holsinger (phreatobite?) 
Records: Stanislaus Co.: Tuolumne River (River Mile 25.4, 31.5, 38.1, 42.3, 43.2, 48.8, 51.6 from confluence with San 
Joaquin River. 
Comment: These specimens were from benthic samples. 
Bibliography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012); Stillwater Sciences (2009). 
Stygobromus n. sp. cf. mackenziei Holsinger (phreatobite?) 
Records: Santa Clara Co.: creeks above Almaden Reservoir; Los Gatos Creek below Lake Elsman; Saratoga Creek at 
Tollgate Road. 
Comment: These specimens were probably washed out of sediments, in riffles, or seeps. 
Bibliography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012). 
Stygobromus n. sp. aff. sierrensis Holsinger (phreatobite) 
Record: Modoc Co.: unnamed spring at the Stough Reservoir Campground, Warner Mountains, Modoc National Forest. 
Bibhography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012). 
Stygobromus n. sp. no. 1 (phreatobite) 
Record: Sonoma Co.: unnamed spring, just east of Maacama Creek Bridge, 19.5 km east of Geyserville. 
Bibhography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012); Wang and Holsinger (2001). 
Stygobromus n. sp. no. 2 (phreatobite) 
Record: San Benito Co.: Balconies Cave Spring and Oak Tree Spring, Pinnacles National Park. 
Comment: This material may represent more than one new species. 
Bibhography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012). 
Stygobromus cherylae Wang and Holsinger (phreatobite) 
Records: Sonoma Co.: unnamed spring, just east of Maacama Creek Bridge, 19.5 km east of Geyserville (type locality). 
Bibhography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012); Wang and Holsinger (2001). 
Stygobromus cowani Wang and Holsinger (phreatobite) 
Record: Napa Co.: unnamed spring, Soda Canyon Road, approximately 6.4 km N of junction with Silverado Trail and 
about 6.4 km E of Yountville (type locality). 
Bibhography: Graening, Rogers, Holsinger, Barr, and Bottorff. (2012); Wang and Holsinger (2001). 
Stygobromus gallawayae Wang and Holsinger (phreatobite) 
Record: Butte Co.: unnamed spring on Rock Creek, about 20.8 km N of Chico. 
Bibhography: Graening, Rogers, Holsinger, Barr, and Bottorff (2012); Wang and Holsinger (2001). 
Stygobromus gradyi Holsinger (stygobite) 
Records: Amador Co.: Fern Frond Cave; Lulu Bell Cave; Masonic Cave. Tuolumne Co.: small unnamed spring 14.8 km 
southeast of Angels Camp; Crystal Palace (type locality). 
Comment: This species inhabits intermittent streams in the upper section of Crystal Palace. 
Bibhography: Arnett (1984); Culver, Christman, Elliott, Hobbs, and Reddell (2000); Graening, Rogers, Holsinger, Barr, 
and Bottorff (2012); Holsinger (1974, 1977, 1986). 
Stygobromus grahami Holsinger (stygobite) 
Records: Amador Co.: Fem Frond Cave; Masonic Cave; Soldier Creek Cave. Calaveras Co.: Cave City Cave; Cave of 
the Catacombs (type locality); Shaw’s Cave; Sink Cave. El Dorado Co.: Bacon Creek Spring. 
Comment: Collection data indicate that this species reproduces at least during the spring and summer. Most of the animals 
were found in pools, some of which fluctuate seasonally. The Fem Frond Cave population may be a new, but closely relat¬ 
ed species. 
Bibhography: Culver, Christman, Elliott, Hobbs, and Reddell (2000); Graening, Rogers, Holsinger, Barr, and Bottorff. 
(2012); Holsinger (1974, 1977, 1986); Wang and Holsinger (2001). 
