04286 - Superb Pyritized 1.25'' Karakaschiceras Lower Cretaceous Ammonites Dinosaur Bones and Claws this is a piece of
Yard notes & kiln story
Description
this is a piece of a great exhibition value
in current study
The rostrum most likely would have had electrosensors to detect food in the water below them like most modern sharks and some rays
-The bottom of the digit claw is flat
It has small glued fracture
04286 - Superb Pyritized 1.25'' Karakaschiceras Lower Cretaceous Ammonites Dinosaur Bones and Claws this is a piece ofIt 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.