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Biology, 03.12.2021 01:50 shainaanderson24

Vertebrate fossils are present in the Chengjiang formation of China, dated to the Cambrian explosion. The detailed vertebrate fossils show that the earliest members of this lineage lived in the ocean about years ago.

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Vertebrate fossils are present in the Chengjiang formation of China, dated to the Cambrian explosion...
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