Taxa included

Warren, E. (1938b). The guanine-bodies of a pedipalp. Annals of the Natal Museum 8: 323–343.

Taxon
Hypoctonus formosus insularis (Oates, 1889) (Uropygi: Thelyphonidae) 323–343, figs 1–2, Hypoctonus formosus insularis (Oates)