22431 - Collector Grade 14.37 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Gastropods and which in this specimen

and which in this specimen are conserved highlighted by iron oxides

Physical characteristics: Single stone

Ecology: fast-moving low-level epifaunal carnivore

with vestige of soft parts that

Centauropyge

22431 - Collector Grade 14.37 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Gastropods and which in this specimenMuseum 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 (11 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