Genus Tynomma Loomis, 1937
Tynomma Loomis, 1937, Proc. U.S. Natl. Mus. Wash., 84 (3006): 117. Type species: T. sedecimum Loomis, 1937, by original designation. Buckett & Gardner, 1969, Pan-Pacific Entomol., 45 (3): 204 (revision). Gardner, 1973, Pan- Pacific Entomol., 49 (3): 270 (key). Shelley, 1996, Ent. Scand., 27 (1): 50 (revision).
Three species, central western California, USA, immediately north and south of San Francisco Bay.