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Hello, i have a titanosaurid tooth from a still undescribed species, whith a long root. Does somebody have a picture of a fully rooted one ? Because i dont know what titanosaurid roots look like, and i think, theres something wrong about mine. If a picture will be posted here, and the root looks completly unusual, i'll open a topic in the "Fake" subforum.

Most everything you see sold on the commercial market as far as Sauropod teeth, from the Kem Kem of Morocco, is label Rebbachisaurus garasbae or Rebbachisaurus. They appear to be incorrectly identified based on the latest research. Feel free to add your teeth to show variations. What do we know of Sauropod teeth from this fauna? - very simple answer, very very little in fact less than we know of Theropod material which is very little to begin with. In the Kem Kem there is one described species a Diplodocoid, Rebbachisaurus garasbae and evidence of a large Titanosaurid. That evidence on the Titanosaurid is based only on a single caudal vertebra. The holotype that described Rebbachisaurus contained only one complete dorsal vertebra, parts of another vertebra, some neural spines, rib fragments, ischium, humerus and a few more fragmentary material but NO skull, NO teeth. Like many Theropod dinosaurs we have teeth but no skull to identify them against and label them to a family level. Why should we not do the same with sauropod teeth there is no difference. The other fact that I find interesting is Rebbachisaurus once thought to be a large bodied Sauropod has been redescribed to a smaller animal and the Titanoaurid from this fauna is a very large one. EDIT: The publication issued in 2018 sheds a new light on this topic. The information here is based on that publication https://peerj.com/articles/5925/ Rebbachisaurid indet Faceted small diameter, smooth surface This tooth is faceted all around the crown. Very round, small diameter This tooth includes a base with enamel on it - uncertain of placement Titanosaurid indet Large Teeth Two very crisp cutting edges and very rough texture in the enamel, no wear facet maybe sign its an unerupted tooth. Have not see the texture on any other tooth. Very pointed Crown - positional? No cutting edges This tooth shows wrinkles around the shaft. No its not a Spino no cutting edges Felt sorry or these two orphans just added them to the mix. Positional, no cutting edges More peg like, no cutting edges, not sure about this tooth - My guess its Rebbachisaurid