22406 - Beautiful Pyritized 1.04 Inch Unidentified Lower Cretaceous Ammonites Bavarilla There is also an unidentified
Yard notes & kiln story
Description
There is also an unidentified species
Cappetta 1987
This factor makes these specimens much more valuable for collectors
- Hamadachelys escuilliei Tong and Buffetaut 1996
Purchased: 2018
22406 - Beautiful Pyritized 1.04 Inch Unidentified Lower Cretaceous Ammonites Bavarilla There is also an unidentifiedUnidentified 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.