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12 ore 18 dic 2017 anni - First Vertebrates (creatures with backbones)
Descrizione:
The first animals with backbones came into existence
Aggiunto al nastro di tempo:
12 dic 2017
0
0
299
Cosmic Calender
Earth and Space P6
Data:
12 ore 18 dic 2017 anni
Adesso
~ 6 years and 4 months ago
Immagini: