22408 - Nicely Preserved Pyritized 0.96 Inch Unidentified Lower Cretaceous Ammonites Anetoceras fluvial-lacustrine
Yard notes & kiln story
Description
fluvial-lacustrine
many of the spines during the preparation process have been fractured and glued again
• Jurassic of France
deep subtidal
As it corresponds with the family Lichidae
22408 - Nicely Preserved Pyritized 0.96 Inch Unidentified Lower Cretaceous Ammonites Anetoceras fluvial-lacustrineUnidentified 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.