Taxa included

Chamberlin, J.C. (1923b). On two species of pseudoscorpion from Chile with a note in [sic] one from Sumatra. Revista Chilena de Historia Natural 27: 185–192.

Taxon
Pseudochthonius simoni (Balzan, 1892) (Pseudoscorpiones: Chthoniidae) 186, Chthonius simoni Balzan
Pseudochthonius pulchellus (Ellingsen, 1902) (Pseudoscorpiones: Chthoniidae) 186, Chthonius pulchellus Ellingsen
Ditha (Paraditha) sumatraensis (Chamberlin, 1923) (Pseudoscorpiones: Chthoniidae) 186–187, (replacement name for Chthonius curvidigitatus Simon, 1899a), Chthonius sumatraensis
Austrochthonius chilensis (Chamberlin, 1923) (Pseudoscorpiones: Chthoniidae) 187–189, figs 20a–j, Chthonius chilensis
Chelifer macrochelatus Tömösváry, 1884 (Pseudoscorpiones: Cheliferidae) 190–192, figs 21a–g, Chelanops (Lamprochernes) macrochelatus (Tömösváry)