Taxa included

Chamberlin, J.C. (1929a). A synoptic classification of the false scorpions or chela-spinners, with a report on a cosmopolitan collection of the same. Part 1. The Heterosphyronida (Chthoniidae) (Arachnida-Chelonethida). Annals and Magazine of Natural History (10) 4: 50–80. ZooBank: FF4D67D2-ADD8-4551-B901-7B8E854F4D8E

Taxon