Taxa included

Mitchell, R.W. (1969b). The cover illustration, Cryptocellus osorioi (Arachnida; Ricinulei). Southwestern Naturalist 14: 136–138.

Taxon
Pseudocellus osorioi (Bolívar y Pieltain, 1946) (Ricinulei: Ricinoididae) 136–138, Cryptocellus osorioi