What question did this study set out to answer?

To describe a fragment of a mosasaur jaw and its implications for the genus Prognathodon.

February 26, 2026Geoloski anali Balkanskog poluostrva0 citationsOpen Access

A mosasaur jaw from the Middle Campanian of Russia provides evidence for the presence of Prognathodon in the Saratov region

SCSofya ChudakovaInstitute of Mathematics with Computer Center

Puntos clave

To describe a fragment of a mosasaur jaw and its implications for the genus Prognathodon.
Discovery of a left lower jaw fragment from the Lisiy Ovrag locality
Morphological analysis of tooth crowns
Classification based on unique features of the jaw
The specimen exhibits unique morphological traits such as bicarinate and robust tooth crowns
It can be classified as Prognathodon based on these traits
The discovery enhances the understanding of the stratigraphic profile of Prognathodon in the region.

Resumen

This paper describes a fragment of the left lower jaw of Prognatho?don sp. (CSECh 00.2004.1-64) found in the Lisiy Ovrag locality (Lisiy Ravine) near Shirokiy Karamysh village, Lysogorsky District, Saratov Region, Russian Federation (Late Cretaceous, Middle Campanian, Rybushka Formation). The discovered specimen differs from many known representatives of the Mosasauridae family in its unique morphological elements of the tooth crowns (bicarinate, robust morphology, smooth enamel), allowing it to be classified as a member of the genus Prognathodon. The specimen described in this paper is of great importance for understanding the stratigraphic aspects of the genus Prognathodon.

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