22431 - Collector Grade 14.37 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Gastropods actually arachnids

actually arachnids

Pretty phalanx well preserved

The sample is a dark rock with fine grain size

It retains at its tip a slight natural feeding wear

22431 - Collector Grade 14.37 Inch Halisaurus arambourgi (Mosasaur) Partial Tail Late Cretaceous Gastropods actually arachnidsMuseum 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