WEAVER, W. The cranial anatomy of the hog-nosed snakes (Heterodon). Bulletin of the Florida Museum of Natural History, [S. l.], v. 9, n. 7, p. 275–304, 1965. DOI: 10.58782/flmnh.eahe4011. Disponível em: https://flmnhbulletin.com/index.php/flmnh/article/view/flmnh-vol9-no7. Acesso em: 26 may. 2026.