What did dinosaurs evolve from? © Franco Tempesta/Absolute Expert: Dinosaurs/© 2018 National Geographic Partners LLC

What did dinosaurs evolve from?

Asked by: Adam King, Huddersfield

Dinosaurs are a type of reptile, and they evolved from another group of reptiles called ‘dinosauromorphs’ around 250 million years ago. The dinosauromorphs were small and humble animals, and they didn’t look anything like T. rex or Brontosaurus.


Instead, they were the size of house cats, walked on all fours, and had long, skinny limbs like a greyhound. The dinosauromorphs weren’t at the top of the food chain, but their speed and agility ensured their success.

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