22436 - Museum Grade 14.96 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Cut & Polished Ammonites It is a very special

It is a very special specimen

the sample is a fine-grained volcanic rock with olivine and pyroxene phenocrysts

in Egypt and Niger

It is related to the modern Tarpon

offshore (1)

22436 - Museum Grade 14.96 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Cut & Polished Ammonites It is a very specialMuseum 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 (16 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