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24 nov 544000000 año aC - The sea pen became extinct about 544 million years ago.
Descripción:
http://www.ucmp.berkeley.edu/cnidaria/pennatulacea.html
Añadido al timeline:
26 oct 2018
0
0
405
laura nguyen timeline
fecha:
24 nov 544000000 año aC
Ahora mismo
~ 5883516 years ago
Fotos: