Scientists have discovered the oldest known saber-toothed predator, a 270-million-year-old gorgonopsian therapsid fossil.
A remarkable reptile-like creature with an unusual jaw ... an extinct group of lizard-like animals that thrived during the Triassic. While they would have looked like lizards, procolophonids ...
The fossil discovered is that of an extinct dolphin-like reptile estimated to have lived more than 100 million years ago in ...
Despite not being particularly mammal-looking, the earliest true mammals began to rise about 200 million years ago, when ...
Smithsonian Magazine on MSN1mon
How to Make a Mammal in Nine Evolutionary StepsWhile we can easily distinguish a creature like a jaguar from a reptile or a bird in the modern world, however, mammals as we ...
Henry the Nile crocodile will celebrate his 124th birthday at the Crocworld Conservation Centre in South Africa on Dec. 16.
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