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15 ene 444079083 año aC - End Ordovician - Graptolite

Descripción:

444,000,000 years ago, 86% species lost. Graptolites were sea creatures. Over a million years ago, their demise was caused by a severe ice age that lowered sea levels.

Añadido al timeline:

Geological Time Scale

ByEmaan Siddiqi
26 oct 2018
0
0
280

fecha:

15 ene 444079083 año aC
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~ 5883516 years ago
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