30761 - Well Preserved 0.91 Inch Eremiasaurus heterodontus (Mosasaur) Tooth in Natural Matrix Pallasite Hemigyraspis

Hemigyraspis

The beautiful orange color of the specimen is due to the natural oxidation of iron sulfides such as pyrite

offshore shelf (2)

Osteichthyes - Teleostei - Araripichthyidae

usually in nodules

30761 - Well Preserved 0.91 Inch Eremiasaurus heterodontus (Mosasaur) Tooth in Natural Matrix Pallasite HemigyraspisThis Eremiasaurus tooth is preserved in natural matriz in exceptional way, inside his own matrix. To read more about this type of Mosasaur (which was recently described), you can read the following reference from its authors: A. R. H. LeBlanc, M. W. Caldwell, and N. Bardet. 2012. A new mosasaurine from the Maastrichtian (Upper Cretaceous) phosphates of Morocco and its implications for mosasaurine systematics. Journal of Vertebrate Paleontology 32(1):