Geisonoceratidae VENDIDO

System: Silurian.

Origin: Saint-Denis-d’Orques, Pays de la Loire region, Sarthe department, France.

Measurements: 21.5 cm x 8 cm x 6.5 cm

SKU: CE149 Categories: , , ,

The Geisonoceratidae in pyrite from France are marine fossils of orthocerapid cephalopods (straight and conical horn-shaped external shell) whose original organic remains were replaced by iron sulfide crystals (pyrite), occasionally found in Paleozoic formations in French territory.

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