70 
PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 64, Supplement 1 
Table 11 (continued). List of 146 obligate subterranean species in California. TB is troglobite, SB is 
stygobite, and PB is phreatobite. Twelve species are designated TB?, indicating that the status as a troglobite 
is not yet certain. 
Species 
Adaptation 
Class 
Order 
Family 
Total 
Sites 
Stygobromus imperialis 
SB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus lacicolus 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus mackenziei 
SB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus myersae 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
2 
Stygobromus mysticus 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus n. sp. ( hubbsi group) 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus n. sp. aff. mackenziei 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus n. sp. aff. sierrensis 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus n. sp. cf. mackenziei 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
3 
Stygobromus n. sp. no. 1 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus n. sp. no. 2 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
2 
Stygobromus rudolphi 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus sheldoni 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
4 
Stygobromus sierrensis 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
2 
Stygobromus sp. nr. cowani 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
2 
Stygobromus tahoensis 
PB 
Malacostraca 
Amphipoda 
Crangonyctidae 
5 
Stygobromus trinus 
SB 
Malacostraca 
Amphipoda 
Crangonyctidae 
1 
Stygobromus wengerorum 
SB 
Malacostraca 
Amphipoda 
Crangonyctidae 
2 
Taracus fluvipileus 
TB 
Arachnida 
Opiliones 
Taracidae 
9 
Texanobathynella sachi 
PB 
Malacostraca 
Bathynellacea 
Parabathynellidae 
1 
Texella n. sp. 
TB? 
Arachnida 
Opiliones 
Phalangodidae 
1 
Tuberochernes aalbui 
TB 
Arachnida 
Pseudoscorpiones 
Chemetidae 
1 
Tuberochemes n. sp. 
TB 
Arachnida 
Pseudoscorpiones 
Chemetidae 
1 
Undetermined Acari 
TB 
Arachnida 
Acari 
Undetermined 
2 
Undetermined Chordeumatida 
TB 
Diplopoda 
Chordeumatida 
Undetermined 
4 
Undetermined Collembola 
TB 
Collembola 
Collembola 
Undetermined 
3 
Undetermined Diplopoda 
TB 
Diplopoda 
Undetermined 
Undetermined 
27 
Undetermined Lithobiomorpha 
TB 
Chilopoda 
Lithobiomorpha 
Undetermined 
1 
Undetermined Oniscidea 
TB 
Malacostraca 
Isopoda 
Undetermined 
7 
Undetermined Onychiuridae 
TB? 
Collembola 
Poduromorpha 
Onychiuridae 
4 
Undetermined Polydesmida sp. no. 1 
TB 
Diplopoda 
Polydesmida 
Undetermined 
1 
Undetermined Polydesmida sp. no. 2 
TB 
Diplopoda 
Polydesmida 
Undetermined 
1 
Undetermined Pseudoscorpiones 
TB 
Arachnida 
Pseudoscorpiones 
Undetermined 
1 
Undetermined Tricladida 
SB 
Turbellaria 
Tricladida 
Undetermined 
3 
Uroctonus grahami 
TB 
Arachnida 
Scorpiones 
Vaejovidae 
1 
Usofila n. spp. 
TB 
Arachnida 
Araneae 
Telemidae 
16 
Yorima n. sp. 
TB 
Arachnida 
Araneae 
Dictynidae 
9 
