05216 - Beautiful Pyritized 1.03 Inch Unidentified Lower Cretaceous Ammonites Quartz Absolutely unique specimen and worthy

Absolutely unique specimen and worthy of study and scientific publication

which in the search of teeth

Michael Festnacht suggested it was more similar to Anhanguera due to the wide end of the snout

with the description of a new species of Globidens

the teeth that are extracted from the depth of the mines are usually much better preserved

05216 - Beautiful Pyritized 1.03 Inch Unidentified Lower Cretaceous Ammonites Quartz Absolutely unique specimen and worthySpecimen of extreme quality. Unidentified species. 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.