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Bird-line Archosaurs: Asilisaurus kongwe (within Ornithodira)

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Bird-line Archosaurs: Asilisaurus kongwe (within Ornithodira)

245 Million Years Ago
Dinosauromorphs Emerge: Erect hind-limb posture leads to birds and dinosaurs.

In a testament to our understanding of evolution, archosaurs emerged around 255 million years ago, eventually giving rise to dinosaurs about 230 million years ago. Bridging this gap, the dinosauromorphs – a transitional group between archosaurs and dinosaurs – evolved approximately 245 million years ago.

One notable early dinosauromorph is Asilisaurus kongwe, found in present-day Tanzania. Exhibiting characteristics intermediate between archosaurs and dinosaurs, Asilisaurus provides crucial insights into the evolutionary steps leading to the rise of dinosaurs.


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