Taxa included

Muchmore, W.B. (1962). A new cavernicolous pseudoscorpion belonging to the genus Microcreagris. Postilla 70: 1–6.

Taxon
Microcreagris grandis Muchmore, 1962 (Pseudoscorpiones: Neobisiidae) 1–5, figs 1–2, Microcreagris grandis
Chitrella cavicola (Packard, 1884) (Pseudoscorpiones: Syarinidae) 5, Chitrella cavicola (Packard)