Taxa included

Beier, M. (1957a). A new false scorpion of the genus Olpium from Tanganyika. Annals and Magazine of Natural History (12) 10: 471–472.

Taxon
Chthonius raridentatus Hadži, 1930 (Pseudoscorpiones: Chthoniidae) 161, Chthonius (Chthonius) raridentatus Hadži
Calocheiridius congicus (Beier, 1954) (Pseudoscorpiones: Olpiidae) 471, Olpium congicum (Beier)
Olpium fuscimanum Beier, 1957 (Pseudoscorpiones: Olpiidae) 471–472, fig. 1, Olpium fuscimanum