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12 ч 18 дек 2017 г. до нашей эры - First vertebrates ( creatures w/ backbones)

Описание:

When creatures without backbones were found and discovered

Добавлено на ленту времени:

Cosmic calendar

3 янв 2018

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568

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12 ч 18 дек 2017 г. до нашей эры

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~ 4046 г назад

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