88421 - Superb Pyritized 0.39'' Phylloceras Lower Cretaceous Ammonites Morocco Size of insect: 0
Yard notes & kiln story
Description
Size of insect: 0
Coloborhynchus clavirostris and Uktenadactylus probably formed together a clade within Anhangueridae
Steel 1970
David Unwin
sedimentology
88421 - Superb Pyritized 0.39'' Phylloceras Lower Cretaceous Ammonites Morocco Size of insect: 0It 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.