03037 - Superb Pyritized 0.94'' Phylloceras Lower Cretaceous Ammonites Brittlestar fossils dealers from all around

fossils dealers from all around the world have identified the dinosaur pieces from this sector as belonging to the Tegana Formation

Rodrigues and Kellner 2008

The rostrum most likely would have had electrosensors to detect food in the water below them like most modern sharks and some rays

That flange aids in hooking on cliffs

but of the same size

03037 - Superb Pyritized 0.94'' Phylloceras Lower Cretaceous Ammonites Brittlestar fossils dealers from all aroundIt 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.