Taxa included

Muchmore, W.B. (1975a). A new genus and species of chthoniid pseudoscorpion from Mexico (Pseudoscorpionida, Chthoniidae). Journal of Arachnology 3: 1–4.

Taxon
Mexichthonius Muchmore, 1975 (Pseudoscorpiones: Chthoniidae) 1–2, Mexichthonius
Mexichthonius unicus Muchmore, 1975 (Pseudoscorpiones: Chthoniidae) 2–4, figs 1–7, Mexichthonius unicus