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Cambrian Period (1 gen 541000000 anni a. C. – 1 gen 485400001 anni a. C.)
Aggiunto al nastro di tempo:
Chordate Evolution over Geologic Time
By
Zahur Ashrafuzzaman
26 gen 2018
2
0
1551
Data:
1 gen 541000000 anni a. C.
1 gen 485400001 anni a. C.
~ 5883516 years
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