Taxa included

Weygoldt, P. (1968). Vergleichend-embryologische Untersuchungen an Pseudoscorpionen. IV. Die Entwicklung von Chthonius tetrachelatus Preyssl., Chthonius ischnocheles (Hermann) (Chthoniinea, Chthoniidae) und Verrucaditha spinosa Banks (Chthoniinea, Tridenchthoniidae). Zeitschrift für Morphologie und Ökologie der Tiere 63: 111–154.

Taxon
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 111–153, figs 2a–b, 5, 16, 18, 20, Chthonius ischnocheles (Hermann)
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 111–153, figs 1a–c, 3, 4, 6–13, 14a–b, 15, 17, 19, 21, 22, 23a–d, 24, 31a, Chthonius tetrachelatus (Preyssler)
Verrucaditha spinosa (Banks, 1893) (Pseudoscorpiones: Chthoniidae) 111–153, figs 25–30, 31b, Verrucaditha spinosa (Banks)