Psammodesmus chuncho (Chamberlin, 1941)
Ernostyx chuncho Chamberlin, 1941: 497, fig. 197A.
Psammodesmus chuncho: Hoffman 1953b: 304 (combination; in dichotomous key); Martínez-Torres 2016: 49 (considered as species inquirenda).
Types: ♂ holotype from Peru: Iquitos; VIII-1926. Originally deposited at the AMNH, cat. no. 9 492 (Chamberlin 1941), it is currently lost (Martínez-Torres 2016).
Distribution: known only from the type locality.