David M. Sever, « Cloacal Anatomy of Female Salamanders of the Plethodontid Subfamily Desmognathinae (Amphibia: Urodela) », Transactions of the American Microscopical Society, vol. 109, no 2, , p. 193–204 (DOI10.2307/3226814, JSTOR3226814)
Gao K.-Q. and Shubin, N.H. (2012). "Late Jurassic salamandroid from western Liaoning, China." Proceedings of the National Academy of Sciences (advance online publication). DOI10.1073/pnas.1009828109[1]
jstor.org
David M. Sever, « Cloacal Anatomy of Female Salamanders of the Plethodontid Subfamily Desmognathinae (Amphibia: Urodela) », Transactions of the American Microscopical Society, vol. 109, no 2, , p. 193–204 (DOI10.2307/3226814, JSTOR3226814)
Gao K.-Q. and Shubin, N.H. (2012). "Late Jurassic salamandroid from western Liaoning, China." Proceedings of the National Academy of Sciences (advance online publication). DOI10.1073/pnas.1009828109[1]