Comparison of morphology among some species of Pseudochthonius from Brazil A Holotype Pseudochthonius ramalho sp. nov. (troglobitic) (LES9601) and left chela (A1) B Pseudochthonius strinatii (troglobitic) (LES9391) and pedipalp detail (B1) C Pseudochthonius biseriatus (troglobitic) (LES9434) and pedipalp detail (C1) D Pseudochthonius sp. (epigean) (LES9629) and pedipalp detail (D1) (Images: A D. M. von Schimonsky; A1–C1 L.B.R Fernandes; D–D1 M. E. Bichuette).

  Part of: Assis L, von Schimonsky DM, Bichuette ME (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.