05220 - Stunning Pyritized 0.67 Inch Olcostephanus sp Lower Cretaceous Ammonites Dermal scute bones Leptecodon
Yard notes & kiln story
Description
Leptecodon
central and eastern Anti-Atlas
brittle mineral
Impressive almost complete premaxillary bone
Marty et al
05220 - Stunning Pyritized 0.67 Inch Olcostephanus sp Lower Cretaceous Ammonites Dermal scute bones LeptecodonOlcostephanus sp, Neumayr (1875) Ammonite Cephalopoda Ammonoidea Olcostephanidae 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.