20503 - Great Halisaurus arambourgi (Mosasaur) Partial Right Hemi-Jaw in Matrix Cretaceous Coprolites Asteropyge

Asteropyge

up to 20 metres (66 ft) long

An unusual modification of the jaws in cf

Kettneraspis

Camille Arambourg

20503 - Great Halisaurus arambourgi (Mosasaur) Partial Right Hemi-Jaw in Matrix Cretaceous Coprolites AsteropygePrecious specimen preserved in its natural matrix. 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. In the same matrix you can see some unidentified partial bone remains. In the international market is very common to find Mosasaurus rests coming from the