Cambrian (1 gen 538800000 anni a. C. – 1 gen 486850000 anni a. C.)

Descrizione:

The Cambrian is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 51.95 million years from the end of the preceding Ediacaran period 538.8 Ma to the beginning of the Ordovician Period 486.85 Ma.

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