SPILOCHAETOSOMA Smith, 1917c: 125. Type species: Spilochaetosoma californica Smith, 1917, by original designation.
californicum Smith, 1917.– California, Nevada, Utah, Arizona (O'Hara, 2002).
– Spilochaetosoma californica Smith, 1917c: 126. Type data: holotype male (USNM). Type locality: USA, California, mountains near Claremont.