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24 nov 544000000 anni a. C. - The sea pen became extinct about 544 million years ago.

Descrizione:

http://www.ucmp.berkeley.edu/cnidaria/pennatulacea.html

Aggiunto al nastro di tempo:

laura nguyen timeline

26 ott 2018

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538

Data:

24 nov 544000000 anni a. C.

Adesso

~ 5883516 years ago

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