05229 - Beautiful Pyritized 0.96 Inch Phylloceras Lower Cretaceous Ammonites Stephanodus It comes from a new
Yard notes & kiln story
Description
It comes from a new unpublished location
Rare devonian cephalopod species
Native copper occurs rarely as isometric cubic and octahedral crystals
Everything else you see is the system of sensory lines (terrace ridges) that are already described in the article (1)
That specimen does like a claw but isn´t it
05229 - Beautiful Pyritized 0.96 Inch Phylloceras Lower Cretaceous Ammonites Stephanodus It comes from a newSpecimen of extreme quality. 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.