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6 авг 440056427 г. до нашей эры - first mass extinction event

Описание:

the end ordovician period occurred 440 million years ago and 86% of all species were lost https://userpages.umbc.edu/~squire/extinctions.html

Добавлено на ленту времени:

alex huang science timeline

26 окт 2018

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Дата:

6 авг 440056427 г. до нашей эры

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~ 5883516 г назад

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