Taxa included

Muchmore, W.B. (1980b). A new cavernicolous Apochthonius from California (Pseudoscorpionida: Chthoniidae). Journal of Arachnology 8: 93–95.

Taxon
Apochthonius grubbsi Muchmore, 1980 (Pseudoscorpiones: Chthoniidae) 93–94, figs 1–3, Apochthonius grubbsi