Smilodon populator Dimetrodon approximately 76 to 70 million

approximately 76 to 70 million years ago

a herbivorous dinosaur with a long neck and stocky body

The American mastodon was similar in appearance to modern elephants

Charonosaurus was a large dinosaur

Smilodon populator Dimetrodon approximately 76 to 70 millionSmilodon (S. populator "sabertooth"), also known as the South American sabertooth tiger; It was an extinct carnivorous species of felid that inhabited South America and belonging to the Machairodontinae subfamily that lived during the Upper Pleistocene, until its extinction about 10,000 years ago. Smilodonn populator is the largest species of its genus, measuring up to 1. 2 meters in height and 2. 3 meters in length, and can weigh up to 400 kilos.