06344 - Stunning Pyritized 0.90 Inch Phylloceras Lower Cretaceous Ammonites Psammechinus Microparia
Yard notes & kiln story
Description
Microparia
Case and D
K/T Boundary Latest Cretaceous Stevensklint Denmark Dinosaur Extinction Stratigraphical Level
This is a very didactic specimen and recommended for expert and advanced collectors
92 Inch / 21
06344 - Stunning Pyritized 0.90 Inch Phylloceras Lower Cretaceous Ammonites Psammechinus MicropariaSpecimen 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.