A fossil leatherback sea turtle from the Bartonian of Kazakhstan
Journal: Proceedings of the Zoological Institute RAS
Year: 2024

The article describes fossil material of a leatherback sea turtle Dermochelyidae indet. from the Bayurbas and Sandy localities of the Shorym Formation (Bartonian, Middle Eocene) of the Mangyshlak Peninsula, Kazakhstan. The material is represented by cranial remains of one individual (Bayurbas) and an epithecal plate of the shell (Sandy). Dermochelyidae indet. from the Shorym Formation differ from all known dermochelyids in the morphology of the skull roof and the dentary. Based on the morphology