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 ...
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 ...
DENVER — Talk about a creature feature: A bizarre boomerang-headed amphibian that burrowed in a seasonal pond in what is now Texas often met its doom in the jaws of a reptilian fin-backed mammalian ...
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 ...
DENVER — Talk about a creature feature: A bizarre boomerang-headed amphibian that burrowed in a seasonal pond in what is now Texas often met its doom in the jaws of a reptilian fin-backed mammalian ...
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