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Micraster Evolution set No. 1

Micraster Evolution set No. 1

SKU: CE 1.1
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A set of five complete echinoids ranging from the lower Planus Zone up into the mid-Coranguinum Zone. This set is accompanied by literature and a chart showing their stratigraphical relationships. Details of the major morphological changes are given and also instructions for a practical exercise in conjunction with set CE 2.1 to help demonstrate the difference between phylogeny and ontogeny.

Size: 37 mm to 55 mm in diameter.