Why was it the mammals who triumphed? An asteroid impact triggered the K-Pg mass extinction, wiping out the non-avian dinosaurs, ending the Age of Reptiles, and ushering in the Age of Mammals. But why ...

A 246 million-year-old reptile fossil discovered by scientists in New Zealand has been identified as the oldest marine reptile fossil found in the Southern Hemisphere, according to a Swedish museum.

More than 30,000 teeth, bones and other fossils from a 249 million-year-old community of extinct marine reptiles, amphibians, bony fish and sharks have been discovered on the remote Arctic island of ...

This piece first appeared in the Front Matter section of the Proceedings of the National Academy of Sciences. A small but fierce jawbone sits in Argentina’s natural science museum in Buenos Aires. Six ...

MSRLSI copy gift of Dr. George R. Zug and signed by author VPAL copy gift of the author; signed by the author and inscribed for the NMNH Library "Over 300 million years ago, an early land vertebrate ...

Paleontologists have identified a new species of ancient marine reptile from Germany's world-renowned Posidonia Shale fossil beds, expanding our understanding of prehistoric ocean ecosystems that ...

A fossilized colony of small burrowing reptiles that lived some 250 million years ago was recently found in South Africa. It's the first time that the Procolophon trigoniceps, which lived in the ...

VPALMAI copy has bookplate: Smithsonian Institution Libraries, Gift from the Margery Masinter Foundation Endowment for Illustrated Books. Preface: How many ways can we reconstruct extinct animals -- ...

WASHINGTON, Oct 6 (Reuters) - The fossil of a small reptile that inhabited Scotland during the age of dinosaurs 167 million years ago has scientists puzzled. It mixed snake-like traits and lizard-like ...

Earliest oceanic tetrapod ecosystem from 249 million years ago. A pod of the small-bodied ichthyopterygian ('fish-lizard') Grippia longirostris hunting squid-like ammonoids (top left). The marine ...