Taxa included

Essig, E.O. (1958). Insects and mites of western North America. Macmillan, New York. [revised edition]

Taxon
Eremobates pallipes (Say, 1823) (Solifugae: Eremobatidae) n/a, fig. 8, Eremobates pallipes (Say)
Apocheiridium ferumoides Chamberlin, 1924 (Pseudoscorpiones: Cheiridiidae) 11, figs 7a–c, Apocheiridium ferumoides