A new distinctive species of Barydesmus (Diplopoda, Polydesmida, Platyrhacidae) from Ecuador, with an annotated bibliographical checklist of the American Platyrhacidae Author Recuero, Ernesto Author Sánchez-Vialas, Alberto text Zootaxa 2018 2018-09-18 4482 2 245 273 journal article 29192 10.11646/zootaxa.4482.2.2 7f45fc71-fc58-4ca9-a320-5052c4aeba9d 1175-5326 1453225 E0375F43-9552-4FC7-B79B-DA8A9B1B3D42 Psammodesmus cainarachus ( Chamberlin, 1941 ) Platyrrhacus cainarachus Chamberlin, 1941 : 491 , figs 116–117 (original description). Psammodesmus cainarachus : Hoffman 1953b : 303 –304 (combination; in dichotomous key); Martínez-Torres 2016 : 48 (considered as species inquirenda ). Types: ♀ holotype from Peru: Rio Cainarachi, 700–1500 ft ; XII-1925 . Deposited at the AMNH, cat. no. 9473 ( Chamberlin, 1941 ), it is currently lost ( Martínez-Torres 2016 ). Distribution: known only from the type locality. Comments: According to Hoffman (1953b) very close to Psammodesmus moyobambus (Chamberlin) .