Discoscaphites conradi

49,00 €
SKU: FA073
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Ammonite (microconch) perfect, pearly given by the fossilization of the shell with opalized reflexes.
Fossil of about ± 8 cm × ± 6.5 cms. The ammonite measures ± 4.7 cm in diameter.

"In the ammonites, macroconcha size of a given species (supposedly dimorphic female) could become up to 10 times larger than its corresponding microconch (dimorphic supposedly male).

 

 

Cretaceous Fox Hills Formation

 

 


Meade CountySur Dakota (USA)