Dimetrodon had a mouth full of novelty. Most conspicuous were several different tooth types in the sail-backed protomammal’s jaws – incisor-like teeth for gripping, stabbing canines, recurved rear ...

Early Permian (295–270 Ma) sphenacodontid synapsids are of importance as they are the first large-bodied (up to 300 kg) apex predators in the evolutionary history of terrestrial amniotes 1. For 25 ...

DALLAS — Dimetrodon chowed down on sharks and amphibians like a prehistoric Pac-Man. Rather than dining on plant eaters, the reptilian carnivore ate mainly aquatic animals, chomping big bites out of ...

Dimetrodon, a carnivore that walked on land between 298 million and 272 million years ago, had serrated ziphodont teeth, a new study claims. Danielle Dufault One of the world’s oldest land predators ...

Take a close look and you might see a little bit of yourself. With its lizard-like appearance and that distinctive sail on it back, Dimetrodon is practically the mascot of the Palaeozoic Era, a time ...

As the meat it ate came in bigger and bigger packages, an ancient predator found a solution — it evolved serrated teeth similar to steak knives, a Canadian study has found. Dimetrodon was a ...