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pelycosaurs evolve into therapsids and eventualy replace all pelycosaurs (jan 1, 275000000 BC – dec 31, 201000000 BC)

Description:

275-201M years ago

Added to timeline:

Earth timeline (in the making)

ByE.j
3 months ago
0
0
52

Date:

jan 1, 275000000 BC
dec 31, 201000000 BC
~ 5883516 years
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