Taxa included

Briggs, T.S. & Hom, K. (1972). A cavernicolous whip-scorpion from the northern Mojave Desert, California (Schizomida: Schizomidae). Occasional Papers of the California Academy of Sciences 98: 1–7.

Taxon
Hubbardia shoshonensis (Briggs and Hom, 1972) (Schizomida: Hubbardiidae) 2–3, figs 1–7, Trithyreus shoshonensis