Ammonite - On matrix - Sphenodiscus lenticularis

Description
Ammonite - On matrix - Sphenodiscus lenticularis
Late Cretaceous, Maastrichtian, Fox Hills Formation - S. Dakota, USA

Cleaning a nodule, it has been left in its original matrix measuring 15.1 x 12.2 cm. The ammonite measures about 6.2 cm in diameter and preserves the shell, natural opalescence.

Delivered with support. It will be packed very carefully and shipped with online tracking and insured.

*Sphenodiscus is an extinct genus of acanthoceratacean ammonite. The genus has been found from many continents and is thought to have had a large global distribution during the Maastrichtian stage of the Late Cretaceous.

Lot details
Specimen
Ammonite
Object
On matrix
Scientific name
Sphenodiscus lenticularis
Origin
S. Dakota, USA
Geological Period
Late Cretaceous, Maastrichtian, Fox Hills Formation
Condition
Good condition
Weight
1218 g
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