H. Zaher m.fl. (2009). «Molecular phylogeny of advanced snakes with an emphasis on South American Xenodontines: a revised classification and descriptions of new taxa». Pap. Avulsos Zool. 49 (11): 115–153. ISSN1807-0205. doi:10.1590/S0031-10492009001100001.
H. Zaher m.fl. (2009). «Molecular phylogeny of advanced snakes with an emphasis on South American Xenodontines: a revised classification and descriptions of new taxa». Pap. Avulsos Zool. 49 (11): 115–153. ISSN1807-0205. doi:10.1590/S0031-10492009001100001.