By Natural Philosopher Michael Alan Prestwood
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TIMELINE STORY

First Egg Layers

  • Last Updated: 6 months ago
From Year 0 (BCE/CE): -638000000
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First Egg Layers

First Egg Layers

The evolution of egg-laying evolved before fish. It is thought to have developed with or shortly after the emergence of the first multicellular animals, around 640 million years ago.

  • Kingdom: Animalia > Phylum: Porifera (sponges) and Cnidaria (jellyfish, corals, etc.)
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