28 Feb 444000000 Jahr v. Chr. - Silurian Period
Beschreibung:
Much of the landmass that would become western North America was under a shallow ocean for much of the Silurian Period. These shallow waters enabled sunlight to penetrate, and marine animals underwent rapid differentiation.
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Datum:
28 Feb 444000000 Jahr v. Chr.
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~ 5883516 years ago