Bourque, Jason. “A Ptychogastrine (Testudines, Geoemydidae) from the Early Miocene of Panama and a Review of Miocene Testudinoids from Central America”. Sarah Fazenbaker Journal 59, no. 2 (September 15, 2022): 16–44. Accessed October 1, 2024. https://ojs33.pkpschool.publicknowledgeproject.org/index.php/sfj/article/view/Vol59No2.