What does it take to describe a new group of ancient animals? AMNH Paleontologists, Mike Novacek and Paúl Velazco, explain why dental detective work is a big part of the job Paleontologists study ...

The global fossil record of squamates, which includes lizards, mosasaurs, snakes, and amphisbaenians (A) is overwhelmingly incomplete, with most fossil species containing less than 20% of the totality ...

Pigments found on unearthed mammal fossils are now being used by researchers to determine what specific colors the extinct animals could have had during its time. An international team of scientists ...

Sanfordiacaulis model with simplified branching structure for easier visualization. Note that humans are provided for scale but did not exist concurrently with the tree. Credit: Tim Stonesifer ...