The 880-Pound Killer That Terrorized the Age Before the Dinosaurs

Paleontologists have uncovered a new fossil in South America that belongs to a fearsome predator from the long-gone Permian Period.

By Matt Hrodey
Sep 20, 2023 4:00 PM
Tetrapod predator
The 10-foot-long tetrapod predator. (Credit: Márcio Castro)

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A land predator that lived during the ill-fated Permian Period functioned like a “big cat,” such as a tiger or lion, that dominated its local food chain, according to the scientists behind a new fossil find. That said, this 10-foot-long, 880-pound force probably looked nothing like a feline – it likely resembled a large amphibian.

During the Permian Period and before the emergence of the dinosaurs, such four-legged “tetrapods” ruled the land. Their preeminence ended, however, with the worst extinction event in world history, one that dwarfs even the extinction of the dinosaurs.

The “Great Dying” – brought about by changes in the climate – ended the period and destroyed 86 percent of animal species on the planet.

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