original description
(of Platyrrhacus calius Chamberlin, 1952) Chamberlin, R. V. (1952). Some American Polydesmid Millipeds in the collection of the Chicago Museum of Natural History. <em>Annals of the Entomological Society of America.</em> 45(4): 553-584.
page(s): 579, 581, fig. 45 [details] Available for editors 
From editor or global species database