Dawn of the Apex Predator: How Ancient Carnivores Evolved To Dominate Land

Dimetrodon, an early predatory synapsid from the early Permian . . Credit: Suresh A. Singh.and the Open University propose that the evolutionary success of the earliest large land predators was fueled by their need to improve as killers.

“The change shows that later synapsid carnivores placed more emphasis on heavily injuring and so more quickly killing their prey. Among these later synapsids were the very first sabertoothed carnivores! This change highlights that predators were facing new selective pressures from their prey.” “The risks to carnivores of getting injured or killed went up, so some synapsid carnivores became bigger, better killers to overcome these risks.”

“The late Palaeozoic was the time when animals first began to live, eat, and reproduce entirely on land,” said Professor Mike Benton, a co-supervisor on the study They became fully terrestrial, colonizing new habitats and exploiting new resources further inland from the aquatic environments they’d previously relied on.

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