Taxa included

Muchmore, W.B. (1973d). A second troglobiotic Tyrannochthonius from Mexico (Arachnida, Pseudoscorpionida, Chthoniidae). Bulletin of the Association for Mexican Cave Studies 5: 81–82. ZooBank: 5CF23BEC-67A3-419D-AFCC-8608D47EEF72