Taxa included

Muchmore, W.B. (1996c). A third species of the genus Mexichthonius (Pseudoscorpionida: Chthoniidae), from a cave in Texas. Journal of Arachnology 24: 155–157.

Taxon
Mexichthonius Muchmore, 1975 (Pseudoscorpiones: Chthoniidae) 155, Mexichthonius
Mexichthonius exoticus Muchmore, 1996 (Pseudoscorpiones: Chthoniidae) 155–156, figs 1–4, Mexichthonius exoticus