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 Barydesmus tenebrosus Silvestri, 1898 Barydesmus tenebrosus Silvestri, 1898b : 3 , fig. 5 (original description). Platyrhacus tenebrosus : Attems 1914 : 260 (combination); Brölemann 1919 : 257 (description; new record; as Platyrrhacus tenebrosus ); Hoffman 1960 : 22 (taxonomic comments). Platyrhacus ( Tirodesmus ) tenebrosus : Attems 1938 : 284 . Types : Unspecified number of and syntypes from Ecuador : "foreste del Rio Peripa " . 10 syntypes are deposited at the MSNG (M. Tavano, pers. comm.). Distribution: Ecuador . Comments: Attems (1938) considered this species a synonym of P. fraternus , a decision rejected by Hoffman (1960) .