Deaton, Lana J., and James Bonthron. “An Observation of Polydactyly Associated With Tail Injury in the Great Crested Newt (Triturus Cristatus Laurenti 1768)”. Reptiles & Amphibians 31, no. 1 (May 17, 2024): e21878. Accessed July 2, 2024. https://journals.ku.edu/reptilesandamphibians/article/view/21878.