Mosasaurus
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
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Vertebra

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Tendon Fragment

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Jaw Fragment

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Jaw Fragment

Niobrara Chalk
Cretaceous

KANSAS
Photographed by Michael P. Klimetz

Tylosaurus
Jaw Fragment with Unerupted Tooth

Niobrara Chalk
Cretaceous

KANSAS