Ebersole, Jun A., David J. Cicimurri, and Gary L. Stringer. “Taxonomy and Biostratigraphy of the Elasmobranchs and Bony Fishes (Chondrichthyes and Osteichthyes) of the Lower-to-Middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, Including an Analysis of Otoliths”. European Journal of Taxonomy, no. 585 (December 6, 2019). Accessed April 25, 2026. https://ejt.sandbox.publicknowledgeproject.org/index.php/ejt/article/view/819.