Barydesmus incus (Chamberlin, 1941) new combination
Platyrrhacus incus Chamberlin, 1941: 492, Fig. 124–126 (original description).
Types: ♀ holotype from Peru: Río Alto Marañon, between Rios Cenipa and Nieva, Peru; Klug leg., 10/ 24-IX- 1924. Deposited at the AMNH, cat. no. 9475 (Chamberlin 1941), we could not confirm its current state. Distribution: known only from the type locality.