YouTube video by Fossil Crates

Resolving the “ontogeny problem” in vertebrate paleontology

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet in length.

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet in length.

We've got a new mosasaur, and it's a *big one.*

New research describes Tylosaurus rex from more than a dozen previously known fossils.

YouTube video by Path of Titans

Equipped with powerful jaws and finely serrated teeth, paleontologists say the 43-foot-long prehistoric marine reptile deserves the name Tylosaurus rex.

Equipped with powerful jaws and finely serrated teeth, paleontologists say the 43-foot-long prehistoric marine reptile deserves the name Tylosaurus rex.

Scientists hoping to reconstruct how extinct lizards and snakes lived have turned their attention to the inner ear.

Join Museum of the Rockies for the annual Dinosaurs and MOR! Festival. Explore paleo stations, expert talks, and family fun.

These positions may be filled for a six month seasonal period, but can vary due to weather conditions, project needs, or funding. Anticipated Entry on Duty: <strong>April 2026</strong> <p>For more par...

Renowned Mongolian paleontologist Dr. Khishigjav Tsogtbaatar is fig… Lindsay Zanno needs your support for Help Dr. Tsogtbaatar, Icon of Mongolian Paleontology

We are working on a special open-access volume dedicated to the famed diplodocoid sauropods (like Diplodocus). We aim to publish several papers describing their anatomy, osteology, evolutionary relati...