Taxa included

Vitali-di Castri, V. (1975). Nuevos Austrochthonius sudamericanos (Pseudoscorpionida, Chthoniidae). Physis, Buenos Aires 34: 117–127.

Taxon
Austrochthonius iguazuensis Vitali-di Castri, 1975 (Pseudoscorpiones: Chthoniidae) 117–119, figs 1–2, 5–6, 9–10, Austrochthonius iguazuensis
Austrochthonius paraguayensis Vitali-di Castri, 1975 (Pseudoscorpiones: Chthoniidae) 121–124, figs 3–4, 7–8, Austrochthonius paraguayensis
Austrochthonius elegans Vitali-di Castri, 1968 (Pseudoscorpiones: Chthoniidae) 125, Austrochthonius elegans