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Question

What came before Dinosaurs?


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Solution

Dinosaur:

  1. Dinosaurs are a group of reptiles of the clade Dinosauria.
  2. Dinosaurs appeared first during the Triassic period, 245 million years ago.
  3. A group of reptiles called synapsids came before dinosaurs i.e. 298 million years ago.

Synapsids:

  1. Synapsids lasted for 47 million years.
  2. Synapsids were terrestrial vertebrates.
  3. Synapsids were mammal-like and are now extinct.
  4. Synapsids are extinct reptiles ancestral to mammals.
  5. Examples: Dimetrodon, Moschops, etc.

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