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Whalevolution: A Brief History of Whale Evolution

Whalevolution: A Brief History of Whale Evolution

Extinct Animals, Prehistoric Animals, Crazy Facts, Fun Facts, Dinosaur Art, Animal Facts, Evolutionary Psychology, Evolutionary Biology, Random Facts

Jefferson's ground sloth

“ Megalonyx jeffersonii Artwork by Julio Lacerda / This medium-sized ground sloth could grow to more than twice the size of a polar bear. It appeared in North America 10 million.

Modelo a tamaño natural de un Paraceratherium ("bestia casi cornuda"), el mamífero terrestre más grande de la historia, que sepamos. Relacionado con los rinocerontes modernos, suplía la falta de cuernos defensivos con su imponente masa corporal.

A scale model of Baluchitherium aka Paraceratherium, early relative of the rhinoceros, Asia, 20 - 30 mya, possibly the largest land animal ever to have lived.

Diprotodon; the largest marsupial that ever lived (discovered so far), roamed Australia. It weighted up to 6,200 lbs.

Scientists say they may have unearthed the fossilised skeletons of up to 40 giant marsupials in south-west Queensland.

Castorocauda is a genus of small, semi-aquatic mammal relatives living in the Jurassic period, It contains the single species Castorocauda lutrasimilis.

castorocauda - Late Jurassic million years ago)//Castorocauda wasn't directly ancestral to modern aquatic mammals, but was an early "mammaliform" creature that died out before the end of the Mesozoic Era and left no living descendants

T. rex makeover (2018).

The T-rex has long been regarded as the slickest villains of the prehistoric world but tyrannosaurus Rex may looked very different to what we imagine according to a new documentary.

Meet the Therizinosaur Dinosaurs of the Mesozoic Era

Meet the Therizinosaur Dinosaurs of the Mesozoic Era

A mated pair of Erlikosaurus andrewsi by Sergey Krasovskiy on DeviantArt

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