- ↑ Wermuth, H., and R. Mertens. (1977) Liste der rezenten Amphibien und Reptilien. Testudines, Crocodylia, Rhynchocephalia., Das Tierreich. Berlin. 100: i-xxvii, 1-174
- ↑ Pritchard, P.C.H. (1967) Scientific and common names of turtles of the world., Bulletin of the Ross Allen Reptile Institute 1967:1-10.
- ↑ Williams, E.E. (1960) Two species of tortoises in northern South America., Breviora 120: 1-13.
- ↑ Tschudi,J. J. von (1845) Reptilium conspectum quae in republica Peruana reperiuntur er pleraque observata vel collecta sunt in itenere., Archiv für Naturgeschichte 11 (1): 150-170 [reprint 1968, SSAR]
- ↑ 5.0 5.1 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.
- ↑ 6.0 6.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ TIGR Reptile Database . Uetz P. , 2 Oktubre 2007
