Name : Pseudoamaltheus engelhardti
Age : Jurassic , Pliensbachian
Findspot : Lixhausen , Alsace, France
Size of the ammonite : 21 cm
Weight : 6.9 kg

The ammonite has a size of 21 cm. That is an extremely rare to find ammonite , since there are very few findspots in the world .To have them in that outstanding condition and in that size make it a one of a kind specimen even if some cracks have been filled . The stone has been sawed for being selfstanding.
The ribbed shell has been preserved here.