Taxa included

Benedict, E.M. & Malcolm, D.R. (1973). A new cavernicolous species of Apochthonius (Chelonethida: Chthoniidae) from the western United States with reference to troglobitic tendencies in the genus. Transactions of the American Microscopical Society 92: 620–628.

Taxon
Apochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 621, Apochthonius
Apochthonius malheuri Benedict and Malcolm, 1973 (Pseudoscorpiones: Chthoniidae) 621–626, figs 1–6, Apochthonius malheuri