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jan 1, 541000000 BC - Chordados peces

Description:

Primeros acordados primitivos con una sistema respiratorio branquias de filtrado y una columna carente de un sistema nervioso bien desarollado. Surgen en el periodo cambrico como peces sencillos, todavía lejanos de los peces cartilaginosos

Added to timeline:

Filogenia

ByEduardo Perez Correa
14 May 2020
1
0
330

Date:

jan 1, 541000000 BC
Now
~ 5883516 years ago
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