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 atratus ( Chamberlin, 1947 ) Platyrrhacus atratus Chamberlin, 1947 : 34 , Fig. 22. Psammodesmus atratus : Hoffman 1960 : 29 , fig. 1e (descriptive notes; taxonomic comments); Martínez-Torres 2016 : 55 , Anex. 7 figs 25, 37A, 38A, 39A, 40A, 41A, 42A, 43A, 44A, 45A (description; type information; distribution data). Types: ♂ holotype, ♀ syntype from Colombia : " 300 miles up the Atrato River , in the woods"; X-1896 . Initially at the ANSP , cat. no. 9958, it is currently lost ( Martínez-Torres 2016 ). Distribution: Western Colombia .