4 jan 358693728 ano antes da era comum - ammonites unknown species #5

Descrição:

ammonites first appeared at the end of the devonian period (358 million years ago) and went extinct 66 million years ago
http://shells.tricity.wsu.edu/ArcherdShellCollection/Cephalopoda/CephalopodEvolution.html

Adicionado na linha do tempo:

26 out 2018

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