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Toxodon skull, Zoologisk Museum, Copenhagen.

Toxodon skull, Zoologisk Museum, Copenhagen.

Megatherium / Giant Ground Sloth at the Houston Museum of Natural Science (Bruce Aleksander & Dennis Milam)

Megatherium / Giant Ground Sloth at the Houston Museum of Natural Science (Bruce Aleksander & Dennis Milam)

Known as Thylacosmilus atrox, this animal looked and behaved like nothing alive today. Its closest living relatives are the Australian and American marsupials. Thylacosmilus atrox had larger teeth proportionally to its body in comparison with saber-tooth tiger Smilodon fatalis, making it one of the more interesting saber-toothed animals to study. These animals were separated by at least 125 million years of evolution.

Known as Thylacosmilus atrox, this animal looked and behaved like nothing alive today. Its closest living relatives are the Australian and American marsupials. Thylacosmilus atrox had larger teeth proportionally to its body in comparison with saber-tooth tiger Smilodon fatalis, making it one of the more interesting saber-toothed animals to study. These animals were separated by at least 125 million years of evolution.

Megatherium ("Great Beast") was a genus of elephant-sized ground sloths endemic to Central America and South America that lived from the Pliocene through to the Pleistocene existing for approximately 5.3 million years. weighing up to eight tons, about as much as a bull African Elephant. Although it was primarily a quadruped, its footprints show that it was capable of assuming a bipedal stance. When it stood on its hind legs it was about twenty feet (6 m) tall, twice the height of an…

Megatherium ("Great Beast") was a genus of elephant-sized ground sloths endemic to Central America and South America that lived from the Pliocene through to the Pleistocene existing for approximately 5.3 million years. weighing up to eight tons, about as much as a bull African Elephant. Although it was primarily a quadruped, its footprints show that it was capable of assuming a bipedal stance. When it stood on its hind legs it was about twenty feet (6 m) tall, twice the height of an…

The South America giant short-faced bear is the largest bear ever discovered, at 3,500 pounds and at least 11 feet.

The South America giant short-faced bear is the largest bear ever discovered, at 3,500 pounds and at least 11 feet.

Paraphysornis brasiliensis by Leogon.deviantart.com on @DeviantArt

Paraphysornis brasiliensis by Leogon.deviantart.com on @DeviantArt

megatherium (prehistoric giant sloth) My favorite prehistoric creature

megatherium (prehistoric giant sloth) My favorite prehistoric creature

Arizona Highways Magazine Magazine Subscription, 12 Digital Issues | Digital Magazines

Arizona Highways Magazine Magazine Subscription, 12 Digital Issues | Digital Magazines

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