Ammonites of stages

Sku: 506054
The strong points
  • Close-up on primitive cephalopods

€57.00 €68.40
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In stock

Appearing in the Cambrian over 500 million years ago, they diversified throughout the primary era. Spanning the entire period of the secondary era, the different forms show the extent of the diversification of this group ultimately falling victim to the mass extinction of the K/T crisis.

Nature des fossiles Moulage
Vendu par Lot de 5
Caractéristiques techniques
Set of 5 moldings: - Cératite - Hildoceras bifrons - Cardioceras - Acrioceras - Acanthoceras Dimensions: from 3 to 10 cm