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Family Nemesiidae - False tarantulas

Calisoga? - Calisoga A touching tableau (what's going on here?) - Calisoga Trapdoor Spider - Calisoga Not a tarantula... - Calisoga California tube trapdoor spider  - Calisoga longitarsis - male Mygalomorph burrow - Calisoga
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Mygalomorphae (Mygalomorphs)
Family Nemesiidae (False tarantulas )
Synonyms and other taxonomic changes
all CA Brachythele have been transferred to the genus Calisoga
5 species, all essentially California endemics:

C. anomala (Schenkel, 1950)
C. centronetha (Chamberlin & Ivie, 1939)
C. longitarsis (Simon, 1891)
C. sacra Chamberlin, 1937
C. theveneti (Simon, 1891)
Kern County north to Shasta County, Coast Ranges + Sierra Nevada. Isolated populations in western NV
Uplands, generally not found in Central Valley, expect at Sutter Buttes
Print References
Bentzien, M.M., 1976. The biosystematics of the spider genus Brachythele Ausserer (Araneidae: Dipluridae). PhD Dissertation, UC Berkeley, CA.

Leavitt DH, Starrett J, Westphal M & Hedin M. 2015. Multilocus sequence data reveal dozens of putative cryptic species in a radiation of endemic Californian mygalomorph spiders (Araneae, Mygalomorphae, Nemesiidae). Molecular Phylogenetics & Evolution 91, 56-67. (online PDF)
Internet References