• [Wiki] http://en.wikipedia.org/wiki/Necturus_maculosus.
• [amphibiaweb] https://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Necturus+maculosus.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Necturus_maculosus.
• [ADW] https://animaldiversity.org/accounts/Necturus_maculosus/.
• [landconservationfoundation] https://www.landconservationfoundation.org/all-about-mudpuppies.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Senn1940] Senning, W. C. (1940). A study of age determination and growth of Necturus maculosus based on the parasphenoid bone. American Journal of Anatomy, 66(3):1483–495. doi:10.1002/aja.1000660307.
• [Spar2014] Sparreboom, M. (2014). Salamanders of the Old World. KNNV, Untrecht.