Taxa included

Rowland, J.M. & Reddell, J.R. (1976). Annotated checklist of the arachnid fauna of Texas (excluding Acarida and Araneida). Occasional Papers of the Museum, Texas Technical University 38: 1–25.

Taxon
Mastigoproctus giganteus (Lucas, 1835) (Uropygi: Thelyphonidae) 3–4, Mastigoproctus giganteus (Lucas)
Mastigoproctus cinteotl Barrales-Alcalá, Francke and Prendini, 2018 (Uropygi: Thelyphonidae) 3-4, Mastigoproctus giganteus (Lucas)