72 
PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 64, Supplement 1 
Table 15. Records of obligate subterranean species per region and county. 
Region 
County 
Total Obligates 
Phreatobites 
Stygobites 
Troglobites 
Bay Area/Delta 
Alameda 
1 
1 
Contra Costa 
2 
1 
1 
Marin 
3 
3 
Napa 
9 
4 
5 
Santa Clara 
2 
2 
Santa Cruz 
7 
1 
3 
2 
Sonoma 
2 
2 
BD Subtotal 
25 
14 
3 
8 
Coast Ranges 
Lake 
1 
1 
Los Angeles 
3 
3 
Mendocino 
1 
1 
San Benito 
1 
1 
San Diego 
7 
7 
Santa Barbara 
1 
1 
CR Subtotal 
14 
14 
0 
0 
Klamath Mountains 
Shasta 
14 
14 
Siskiyou 
7 
1 
1 
5 
Trinity 
4 
1 
3 
KM Subtotal 
25 
1 
2 
22 
Lava Flows North 
Lassen 
2 
2 
Modoc 
3 
1 
2 
Plumas 
2 
2 
Shasta 
7 
7 
Siskiyou 
12 
12 
Tehama 
1 
1 
LFN Subtotal 
27 
1 
0 
26 
Mojave Desert 
Inyo 
6 
1 
5 
San Bernardino 
3 
3 
MD Subtotal 
9 
1 
0 
8 
San Joaquin Valley subtotal 
Stanislaus 
1 
1 
0 
0 
Sea Caves subtotal 
San Francisco 
1 
0 
0 
1 
Sierra Nevada North 
Amador 
9 
2 
7 
Butte 
1 
1 
Calaveras 
31 
1 
30 
El Dorado 
7 
2 
1 
4 
Nevada 
2 
1 
1 
Placer 
5 
3 
1 
1 
Plumas 
1 
1 
Sierra 
2 
2 
Tuolumne 
23 
1 
2 
20 
SNN Subtotal 
83 
11 
8 
64 
Sierra Nevada South 
Fresno 
2 
1 
1 
Inyo 
4 
1 
3 
Madera 
1 
1 
Mariposa 
5 
2 
3 
Tulare 
27 
3 
24 
SNS Subtotal 
39 
3 
5 
31 
Total Records 
224 
46 
18 
160 
