Taxa included

Roewer, C.F. (1954b). Spinnentiere aus El Salvador, I. (Arachnoidea: Pedipalpi, Solifuga, Opiliones-Laniatores). Senckenbergiana Biologica 35: 57–73.

Taxon
Mastigoproctus Pocock, 1894 (Uropygi: Thelyphonidae) 57, Mastigoproctus
Mayacentrum tantalus (Roewer, 1954) (Uropygi: Thelyphonidae) 57–60, plate 9 fig. 1, Mastigoproctus tantalus