88428 - Superb Pyritized 0.63 Inch Phylloceras Lower Cretaceous Ammonites Pharyngeal Teeth labio-lingually compressed
Yard notes & kiln story
Description
labio-lingually compressed
In the same matrix can be observed different remains of parts of trilobites
This restoration method used by local miners consists in the colmatage of the fractures with a mix of glued sand of the same stratigraphic level where the fossil has been excavated
- Araripesuchus rattoides (Sereno & Larsson
This species is always characterized by 5 to 7 crests
88428 - Superb Pyritized 0.63 Inch Phylloceras Lower Cretaceous Ammonites Pharyngeal Teeth labio-lingually compressedIt 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.