05918 - Pyritized 1.86 Inch Phylloceras Lower Cretaceous Ammonites Squalicorax pristodontus Micraster pseudorostratus
Yard notes & kiln story
Description
Micraster pseudorostratus
but according to dealers
† Heterodiadema libycum
Enstatite chondrites
Exceedingly rare Early Cambrian Redlichiid trilobite association from Issafen formation
05918 - Pyritized 1.86 Inch Phylloceras Lower Cretaceous Ammonites Squalicorax pristodontus Micraster pseudorostratusIt 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.