↑Feldman, C. R. & Parham, James Ford (2002) Molecular Phylogenetics of Emydine Turtles: Taxonomic Revision and the Evolution of Shell Kinesis., Molecular Phylogenetics and Evolution 22 (3): 388-398
↑ 3.03.1Le Conte, J. (1830) Description of the species of North American tortoises., Annals of the Lyceum of Natural History of New York 3 [1829]: 91-131.
↑ 4.04.1Bisby 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)