Taxa included

Baccetti, B. (1979). Ultrastructure of sperm and its bearing on arthropod phylogeny. In: Gupta, A.P. (ed.) Arthropod phylogeny Van Nostrand Reinhold, New York: 609–644.

Taxon
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) n/a, fig. 11.7, Chthonius ischnocheles (Hermann)