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pelycosaurs evolve into therapsids and eventualy replace all pelycosaurs (1 gen 275000000 anni a. C. – 31 dic 201000000 anni a. C.)

Descrizione:

275-201M years ago

Aggiunto al nastro di tempo:

Earth timeline (in the making)

3 mesi fa

0

0

52

Data:

1 gen 275000000 anni a. C.

31 dic 201000000 anni a. C.

~ 5883516 years

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