07784 - Finest Grade Unidentified Mosasaur Phalanx Paddle Bone in Matrix Cretaceous Gastropods Bulletin of the American Museum

Bulletin of the American Museum of Natural History 300:1-318

deep-water

†Leonaspis

related to the Dromaeosauridae family

and with this color so black

07784 - Finest Grade Unidentified Mosasaur Phalanx Paddle Bone in Matrix Cretaceous Gastropods Bulletin of the American MuseumPrecious specimen preserved in its natural matrix. Not restored, glued or fabricated. 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 international market is very common to find Mosasaurus rests coming from the phosphate quarries of the Upper