Paleontologists have often determined how old a dinosaur was by counting the growth rings in its bones. Just like with trees, ...

Scientists have reconstructed our most complete skeletal model ever of a monstrous 10 metre-long (32ft) crocodile known as a “dinosaur killer” that terrorised prehistoric waters about 76 million years ...

In biology and palaeontology (the study of extinct organisms) there are a few ways to estimate the age of an animal’s skeleton. One is the extent of fusion of sutures in the skeleton – how much the ...

Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted ...

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...

Scientists discovered a crocodile relative that is 200 million years old and had two legs. The diversity of reptiles during the Triassic period is shown by this discovery, which is long before ...

Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious group of ...

A research team led by Dr. Márton Rabi from the Biogeology Department of the University of Tübingen, together with Máté ...

Fossils reveal a small ancient reptile related to crocodiles, Sonselasuchus cedrus, that may have switched from four legs to two as it grew.

A view of the Dinosaurs of Patagonia' exhibition in Madrid in 2024. The exhibition was developed by the Egidio Feruglio Paleontological Museum of Argentina, which reviews the evolution of the ...

Scientists have unearthed a "peculiar" ancient crocodile that walked on two legs – after beginning its life on four. Named Sonselasuchus cedrus, the creature roamed the Earth during the Late Triassic ...