Ancient Land Predator Hunted Sharks
The most fearful land predatory animal of the early Permian earned run average 290 million days ago fed on sharks , according to new fossil evidence . Dimetrodonwasa holy terror of the pre - dinosaur era , the first common large predator on land . Dimetrodonswere four - legged animate being , walking on land and feature huge sails that form their most placeable feature . The big speciesgrew to four meters longand brag the first saw - comparable tooth ....