• [Wiki] http://en.wikipedia.org/wiki/Claudius_angustatus.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Claudius_angustatus.
• [EoL] http://eol.org/pages/815713/details.
• [iucn] http://www.iucnredlist.org/details/6493/0.
• [encyclopedia] http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/central-american-river-turtles-dermatemydidae.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [LeglVogt2013] Legler, J. M. and Vogt, R. C. (2013). Turtles of Mexico; land and freshwater forms. Univ. of Calif. Press, Berkeley.