22433 - Collector Grade 18.90 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Dermal scute bones In its yellow form it

In its yellow form it is sometimes called "yellow lead ore"

Fe/Mn=31-35)

It is polished

Not resotred or glued

22433 - Collector Grade 18.90 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Dermal scute bones In its yellow form itMuseum grade specimen. Specimen prepared excellently. It is the tail end of this mosasaur species. The vertebrae are still preserved in a state of anatomical semi articulation (10 vertebrae bones). This specimen has been stabilized on its surface by Paraloid B 72 to ensure its stability and consistency. This process does not affect neither the color nor any of the characteristics. It simply makes the specimen better preserved in the long term. The