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