The earliest known vertebrates originated about 530 million years ago during the Cambrian explosion.
- Domain: Eukaryota > Kingdom: Animalia > Phylum: Chordata
First Vertebrates
By Michael Alan Prestwood
Author and Natural Philosopher
09 Sep 2021
Published 4 years ago.
Updated 2 years ago.
First Vertebrates
530 Million BCE
530 to 520 Million Years Ago
The end.
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