Taxa included

Caporiacco, L. di (1948a). Arachnida of British Guiana collected in 1931 and 1936 Professors Beccari and Romiti. Proceedings of the Zoological Society of London 118: 607–747.

Heterophrynus alces Pocock, 1902 (Amblypygi: Phrynidae) 615, Admetus alces (Pocock)
Heterophrynus brevimanus Mello-Leitão, 1931 (Amblypygi: Phrynidae) 615, Admetus brevimanus (Mello-Leitão)
Charinus guianensis (Caporiacco, 1947) (Amblypygi: Charinidae) 616, fig. 9, Oligacanthophrynus guianensis Caporiacco
Oligacanthophrynus Caporiacco, 1947 (Amblypygi: Charinidae) 616, (synonymised by Weygoldt, 1998d: 72), Oligacanthophrynus