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↑Bohls, J. (1895) Bermerkung zur Eintheilung der Chelydidae., Zool. Anz. 18: 51-53
↑ 3.03.1Boulenger, G.A. (1889) Catalogue of the Chelonians, Rhynchocephalians, and Crocodiles in the British Museum (Natural History)., British Museum, London, 311 pp.
↑Boulenger, G.A. (1886) A synopsis of the reptiles and batrachians of the province Rio Grande do Sul, Brazil., Ann. Mag. nat. Hist. (5) 18: 423-445
↑ 5.05.15.2Duméril, A.M.C., and G. Bibron. (1835) Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Vol. 2., Librairie Encyclopédique de Roret, Paris, 680 p.
↑Spix, J.B. and J.G. Wagler (1824) Herpetology of Brazil., Facsimile Reprints in Herpetology, Society for the Study of Amphibians and Reptiles. 400 pp.
↑Merrem, B. (1820) Versuch eines Systems der Amphibien I (Tentamen Systematis Amphibiorum)., J. C. Kriegeri, Marburg, 191 pp.