Evolution of ammonoids

Sku: 506061

The strong points

Focus on primitive cephalopods

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Presentation

Appeared in the Cambrian over 500 million years ago, they diversified throughout the primary era. They reached their peak with ammonites during the secondary era before regressing afterwards. Selection of 3 families that appeared successively. The resumption of common organization and the appearance of new characteristics suggest the notion of evolution.

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