You are purchasing the exact item described and pictured. As a natural product, irregularities in form and condition may occur, which should not be considered as defects. Therefore, we strongly recommend carefully reviewing the provided images!
Name:
Orthosphinctes (Ardescia) proinconditus
Common name:
ammonite, ammonoids, cephalopod
Synonym:
Family / Genus / Subgenus / Species / Binom / Author:
Ataxioceratidae → Orthosphinctes → Ardescia → proinconditus → Orthosphinctes (Ardescia) proinconditus → Wegele, 1929
Location:
Graefenberg, Upper Franconia, Bavaria / Germany
Geological Age:
Jurassic [j], Upper Jurassic [jo], Kimmeridgian [joki], Malm Gamma / approx. 155 million years
Size of the item:
Width: 8,4 cm
Height: 15,5 cm
Length: 20 cm
Size of the fossil:
Weight:
An ammonite from the Upper Jurassic period around 150 million years ago. The greenish color of the stone core results from the inclusion of the mineral glauconite in the area of the former shell.
