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 Nyssodesmus tristani ( Pocock, 1909 ) Platyrachus tristani Pocock, 1909 : 141 , pl. X, figs 6–6b (original description); Chamberlin 1914 : 191 (diagnostic comments). Nyssodesmus tristani : Chamberlin 1922 : 39 (combination). Platyrhacus ( Tirodesmus ) tristani : Attems 1938 : 241 (description). Types: ♂ holotype (location unknown) from Costa Rica: La Palma; Tristan leg. According to Loomis (1968) at the BNHM, location unknown according to Hoffman (1999) , it is probably lost. Distribution: known only from the type locality.