20612 - Rare 0.65 Inch Abelisaur Dinosaur Mesial Premaxillary Tooth Cretaceous KemKem Beds Fish teeth bulk Perisphinctes is an extinct genus

Perisphinctes is an extinct genus of ammonite cephalopod

where the organic matter has difficulty decomposing

Precious fragment of Prognathodon jaw

Argillochelys africana Tong & Hirayama

Pribyl and Vanek 1985 (trilobite)

20612 - Rare 0.65 Inch Abelisaur Dinosaur Mesial Premaxillary Tooth Cretaceous KemKem Beds Fish teeth bulk Perisphinctes is an extinct genusThis is a very special small sized theropod dinosaur tooth. Within the amazing assemblage of North African Cretaceous theropods, some families have not yet been described in formal literature. Not restored or glued. Its serrations are very well defined. Its enamel has a great range of colors. Not only the tooth belongs to an inusual theropod family, but its fossilization is tremendously beautiful too. Rare tooth with morphology that seems to