First finding of tooth of Ptychodus (Elasmobranchii: Lamniformes) in moraine of the Kaliningrad Region
... Cretaceous period and enhances our understanding of the diversity of fossils found within the erratic boulders of the region.
Vazhenin G. A., Bogatenko I. E., Gorodchikov S. V., Mychko E. V.
Ptychodus, shark teeth, Cretaceous, erratic boulders, Kaliningrad Region
130-141
10.5922/vestniknat-2025-2-8
