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8 h 39 m, 18 dic 2018 año - First vertebrates

Descripción:

They were jawless fish and the jawed vertebrates.

Añadido al timeline:

Cosmic Calendar

11 dic 2017

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fecha:

8 h 39 m, 18 dic 2018 año

Ahora mismo

~ 6 years and 10 months ago

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