The red side-necked turtle (Rhinemys rufipes), red turtle, red-footed sideneck turtle,[1]William's toadhead turtle, or red-footed Amazon side-necked turtle[7] is a monotypic species of turtle in the family Chelidae. It is found in Brazil, Colombia, and possibly Peru.[7]
^Spix, J.B. von. 1824. Animalia nova; sive, Species novae Testudinum et Ranarum, quas in itinere per Brasiliam annis 1817-20 collegit et descripsit. F.S. Hübschmann, München. iv + 53 pp.
^Wagler, J.G. 1830. Natürliches System der Amphibien, mit vorangehender Classification der Säugthiere und Vögel. München: J.G. Cotta'schen Buchhandlung, 354 pp.
^Baur, G. 1893. Notes on the classification and taxonomy of the Testudinata. Proc. Amer. Philos. Soc. 31: 210-225
^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.