Mosasaur
Tylosaurus
Vertebrae in Chalk
Niobrara Formation
Cretaceous
NEBRASKA
Photographed by Michael P. Klimetz
Photographed by Michael P. Klimetz
Vertebrae
Ozan Formation
Cretaceous
TEXAS
Photographed by Michael P. Klimetz
Mosasaurus anceps
Tooth
Cretaceous
MOROCCO