Name : Radstockiceras buvigneri (Orbigny 1844) Age : Jurassic, Pliensbachian stage Found in : Fresney-le-Puceux, France Ammonite dimensions: 19 cm Weight: 987 g This fossil ammonite has a size of 19 cm , which make it big for the species .Please note there is a little restoration done at the ventral part of the living chamber. Otherwise a very nice preservation in greenish calcit.