Taxa included

Crawford, C.S. (1990a). Scorpions, Solifugae, and associated desert taxa. In: Dindal, D.L. (ed.) Soil biology guide John Wiley and Sons, New York: 421–475.

Taxon
Levichelifer fulvopalpus (Hoff, 1946) (Pseudoscorpiones: Cheliferidae) 434, Levichelifer fulvopalpus (Hoff)
Parachernes (Parachernes) nubilis Hoff, 1956 (Pseudoscorpiones: Chernetidae) 434, Parachernes nubilis
Mastigoproctus giganteus (Lucas, 1835) (Uropygi: Thelyphonidae) 434, fig. 16.5, Mastigoproctus giganteus (Lucas)
Mastigoproctus tohono Barrales-Alcalá, Francke and Prendini, 2018 (Uropygi: Thelyphonidae) 434, fig. 16.5, (part), Mastigoproctus giganteus (Lucas)
Mastigoproctus floridanus Lönnberg, 1897 (Uropygi: Thelyphonidae) 434, fig. 16.5, (part), Mastigoproctus giganteus (Lucas)