6+” MASSIVE Tylosaurus Rex 3 Pathologic FUSED TAIL Vertebrae TX Fossil Mosasaur
USD 99.99 USD
Specifications
| Country Of Origin | United States |
Fused vertebrae in mosasaurs—known as co-ossification—resulted from traumatic injuries like shark bites, infectious spondylitis, or stress-induced bone changes from heavy tail propulsion. Cretaceous Period age.

