Taxonomy
Current nomenclature for this genus follows that of van Dijk et al. (2012):Peter Paul van Dijk, John B. Iverson, H. Bradley Shaffer, Roger Bour, and Anders G.J. Rhodin. 2012. Turtles of the World, 2012 Update: Annotated Checklist of Taxonomy, Synonymy, Distribution, and Conservation Status. Chelonian Research Monographs No. 5, pp. 000.243–000.328. * Big-headed pantanal swamp turtle (''A. macrocephala'' Rhodin, Mittermeier, and McMorris 1984)Rhodin, Anders G.J., Mittermeier, Russell A., and McMorris, J. Robert. 1984. ''Platemys macrocephala'', a new species of chelid turtle from central Bolivia and the Pantanal region of Brazil. ''Herpetologica'' 40(1):38–46. * Chaco side-necked turtle (''A. pallidipectoris'' Freiberg 1945)Freiberg, Marcos A. 1945. Una nueva especie de tortuga del genero ''Platemys'' Wagler. ''Physis'' 20:19–23. * Brazilian radiolated swamp turtle (''A. radiolata'' Mikan 1820)Mikan, Johann Christian. 1820. Delectus Florae et Faunae Brasiliensis. Fasciculus Primus. Vindobonae: 6 pp., 6 pls. * Black spine-neck swamp turtle (''A. spixii'' Duméril and Bibron 1835)Duméril, André Marie Constant and Bibron, Gabriel. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles. Tome Second. Paris: Roret, 680 pp.References
{{Taxonbar, from=Q1932390 Turtle genera Turtles of South America Taxa named by John Edward Gray Taxonomy articles created by Polbot