MILSTEAD, William. Studies on the Evolution of Box Turtles (Genus Terrapene). Bulletin of the Florida Museum of Natural History, [S. l.], v. 14, n. 1, p. 1–113, 1969. DOI: 10.58782/flmnh.wbcx7533. Disponível em: https://flmnhbulletin.com/index.php/flmnh/article/view/flmnh-vol14-no1. Acesso em: 11 may. 2026.