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 antius ( Chamberlin, 1914 ) Platyrachus antius Chamberlin, 1914 : 189 , figs 4, 5 (original description). Nyssodesmus antius : Chamberlin 1922 : 40 (combination). Platyrhacus tristani antius : Attems 1933 : 258 (combination; new record); Attems 1938 : 241 , Fig. 266 (description). Types : holotype from Costa Rica : Juan Viñas, "nearer waterfall"; 26-IV-1910 . Deposited at the MCZ, cat. no. 86964, gonopod mounted on a slide, in the Diplopod slide box (https://mczbase.mcz.harvard.edu/guid/ MCZ:IZ:86964 last viewed 4-IV-2018 ). Distribution: Costa Rica .