Taxa included
Assis, L. de, Schimonsky, D.M. & Bichuette, M.E. (2021).
The first troglobitic Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the karst area of Serra do Ramalho, Brazil: a threatened species
. Subterranean Biology 40: 109–128.