06103 - Beautiful Pyritized 2.48 Inch Unidentified Lower Cretaceous Ammonites Hexanchus Canada ( Ontario)
Yard notes & kiln story
Description
Canada ( Ontario)
The age of these correspond to the Maastrichtian stage
Here we have a perfect example of the impressive dentition of this fearsome fish
Ceraurinus
Rare species
06103 - Beautiful Pyritized 2.48 Inch Unidentified Lower Cretaceous Ammonites Hexanchus Canada ( Ontario)Specimen of extreme quality. Unidentified species. His suture lines are wonderfully well detailed. It is naturally pyritized. It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite). Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms.