Temnospondyls — a diverse group of extinct small-to-giant amphibians that flourished worldwide during the Carboniferous, Permian, and Triassic periods — had a full array of teeth, large fangs and thousands of tiny hook-like structures called denticles on the roofs of their mouths, according to new research published in the journal PeerJ. The Early Permian dissorophoid temnospondyl Cacops morrisi displays its fearsome dentition as it preys...
