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Guyer, Craig; Murray, Christopher; Bart, Henry L.; Crother, Brian I.; Chabarria, Ryan E.; Bailey, Mark A.; Dunn, Khorizon (17 January 2020). "Colour and size reveal hidden diversity of Necturus (Caudata: Proteidae) from the Gulf Coastal Plain of the United States". Journal of Natural History. 54 (1–4): 15–41. Bibcode:2020JNatH..54...15G. doi:10.1080/00222933.2020.1736677.
Guyer, Craig; Murray, Christopher; Bart, Henry L.; Crother, Brian I.; Chabarria, Ryan E.; Bailey, Mark A.; Dunn, Khorizon (17 January 2020). "Colour and size reveal hidden diversity of Necturus (Caudata: Proteidae) from the Gulf Coastal Plain of the United States". Journal of Natural History. 54 (1–4): 15–41. Bibcode:2020JNatH..54...15G. doi:10.1080/00222933.2020.1736677.