22435 - Top Quality 11.81 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Marrelomorph arthropods crocodile-like quadrupeds up to 6

crocodile-like quadrupeds up to 6 metres (20 ft) long

This is a very special small-sized theropod dinosaur tooth

The morphology of 5 phalanx bones can be recognized

Impressive and rare authentic example of unidentified dinosaur caudal vertebra bone

Leonaspis sp: Fossilworks (Paleobiology Database)

22435 - Top Quality 11.81 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Marrelomorph arthropods crocodile-like quadrupeds up to 6Museum 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 (6 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 base