M.Mark Posted March 14, 2018 Share Posted March 14, 2018 I recently received as a gift this very small theropod tooth fragment from Morocco. I labeled it as Theropod indet., but I'm searching for a possibly more specific ID. In my opinion it may be a 2 cm broken tip of a small tooth from a Carcharodontosaur, but I also thought of the Abelisaur possibility. I tend to ignore the relatively unknown Deltadromeus and the hipothetical dromaeosaur, given the lack of good material, but I'm open to suggestions. Here you can see two focus photos of the serrations I took with a small digital microscope. As you see, there is a slight difference between the two sides. Still001.bmp Still004.bmp Link to comment Share on other sites More sharing options...
DatFossilBoy Posted March 14, 2018 Share Posted March 14, 2018 Yes really looks like Abelisaurus. And they are often found in KemKem. Don’t think it’s Carcharodontosaurus, their teeth are fatter. Color and serrations match for Abelisaurus. Regards 1 Link to comment Share on other sites More sharing options...
Troodon Posted March 14, 2018 Share Posted March 14, 2018 Can you take a picture of the base even though it's broken I want to see how fat the tooth is.. A closeup of the serrations at tip on the distal side would help looking for blood grooves. I'm leaning toward a Carcharodontosaurid 1 Link to comment Share on other sites More sharing options...
M.Mark Posted March 14, 2018 Author Share Posted March 14, 2018 @Troodon Here you are a photo of the base "section". The two microscopial photos should have the serrations of both sides, are they visibile at all? I fear the BMP format may bring problems in showing properly the files. @DatFossilBoy I deeply suspected an abelisaur origin, thank you. Link to comment Share on other sites More sharing options...
Troodon Posted March 14, 2018 Share Posted March 14, 2018 I think I can say it's not an Abelsaurid. The distal carina is not perpendicular to the base and the cross-section at the base is not compressed enough. Still leaning toward Carcharodontosaurid but need to have a better look at those distal serrations but without a complete tooth may be difficult. Currently there are no dinosaur teeth, theropod or herbivore from the Kem Kem that you can positively assign to a species or even a genus. More unknowns will take new discoveries. I like your initial call Theropod indet Here is a topic I put out of the different morphologies from this region. 3 Link to comment Share on other sites More sharing options...
zekky Posted March 17, 2018 Share Posted March 17, 2018 Looks Carch to me Link to comment Share on other sites More sharing options...
Praefectus Posted March 18, 2018 Share Posted March 18, 2018 That tooth looks like an Abelisaur tooth. Carcharodonto teeth tend to be fatter with a more uniform enamel. Link to comment Share on other sites More sharing options...
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