07242 - Strongly Serrated 1.72 Inch Palaeocarcharodon orientalis (Pygmy white Shark) Tooth Dinosaur Fossils Under Study and Araripemydidae

and Araripemydidae

edu/publications/guidebooks/downloads/56/56_p0389_p0393

Extremely rare mosasaur species

Mammals during the Mesozoic era were extremely rare although they had representation within the ecosystems in which dinosaurs reigned

07242 - Strongly Serrated 1.72 Inch Palaeocarcharodon orientalis (Pygmy white Shark) Tooth Dinosaur Fossils Under Study and AraripemydidaeThis is one of the sharks with sharpest and most serrated edges of all the assemblage in the Paleogene phosphate quarries of the Oulad Abdoun Basin (Morocco). The lateral serrations are really spectacular. It is still sharp, with an intact tip. Its root is also completely original, not like many which are sold online. It is difficult to find better specimens than this one. The serrate lateral cusplets are also well preserved. The genus