Mrtoad Posted July 25, 2021 Share Posted July 25, 2021 Hello, I found these in a bowl of Otodus obliquus teeth in a jersey shore gift shop. I’m assuming they’re from Morocco. The serrations tell me they’re something different but I don’t know what. Any ideas? Link to comment Share on other sites More sharing options...
bthemoose Posted July 25, 2021 Share Posted July 25, 2021 The second one looks like Palaeocarcharodon orientalis (Pygmy white shark). I’m not sure about the first. 1 Link to comment Share on other sites More sharing options...
Caaaleb Posted July 25, 2021 Share Posted July 25, 2021 I think the first tooth might be from a Squalicorax. Link to comment Share on other sites More sharing options...
ThePhysicist Posted July 25, 2021 Share Posted July 25, 2021 (edited) That first tooth is really interesting - haven’t seen one like it from Morocco (the preservation is definitely from there). My guess is it’s a symphyseal from Otodus sp. I forget if O. obliquus teeth from Morocco have been found with serrations. I don’t think it’s pathological. Really cool tooth! @siteseer @Al Dente@MarcoSr The second is not crow. If it’s from Morocco, then it’s probably a pygmy white as @bthemoose suggested. Edited July 25, 2021 by ThePhysicist "Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan "I was born not knowing and have had only a little time to change that here and there." - Richard Feynman Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | Squamates | Post Oak Creek | North Sulphur River | Lee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone Instagram: @thephysicist_tff Link to comment Share on other sites More sharing options...
MarcoSr Posted July 25, 2021 Share Posted July 25, 2021 8 hours ago, ThePhysicist said: That first tooth is really interesting - haven’t seen one like it from Morocco (the preservation is definitely from there). My guess is it’s a symphyseal from Otodus sp. I forget if O. obliquus teeth from Morocco have been found with serrations. I don’t think it’s pathological. Really cool tooth! @siteseer @Al Dente@MarcoSr The second is not crow. If it’s from Morocco, then it’s probably a pygmy white as @bthemoose suggested. Although the color of the first tooth is suggestive of being from the Paleocene/Eocene phosphate mines of Morocco, I have never seen a serrated Otodus from the Paleocene/Eocene phosphate mines of Morocco (like the mines in Khouribga). So your tooth is not an O. obliquus or O. Aksuaticus from Morocco. Eocene Otodus sokolovi (which are serrated) are found in Dakhla, Morocco. Middle Miocene Otodus megalodon are found in the Western Sahara Desert of Morocco. The features of the first tooth are similar to those of an upper Otodus sp. symphyseal/parasymphyseal tooth. However, no size is given for the tooth and I have no idea of size next to a finger. Below are two Otodus symphyseal/parasymphyseal teeth from Morocco for you to compare your tooth to. These teeth are 19mm and 20mm slant height which is a typical size for Otodus upper symphyseal/parasymphyseal teeth. Upper symphyseal/parasymphtyseal Otodus obliquus tooth, Paleocene/Eocene Khouribga, Morocco 19mm slant height: Upper symphyseal/parasymphtyseal Otodus sokolovi tooth, Eocene Dakhla, Morocco 20mm slant height: Marco Sr. 1 "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
Mrtoad Posted July 25, 2021 Author Share Posted July 25, 2021 1 hour ago, MarcoSr said: Although the color of the first tooth is suggestive of being from the Paleocene/Eocene phosphate mines of Morocco, I have never seen a serrated Otodus from the Paleocene/Eocene phosphate mines of Morocco (like the mines in Khouribga). So your tooth is not an O. obliquus or O. Aksuaticus from Morocco. Eocene Otodus sokolovi (which are serrated) are found in Dakhla, Morocco. Middle Miocene Otodus megalodon are found in the Western Sahara Desert of Morocco. The features of the first tooth are similar to those of an upper Otodus sp. symphyseal/parasymphyseal tooth. However, no size is given for the tooth and I have no idea of size next to a finger. Below are two Otodus symphyseal/parasymphyseal teeth from Morocco for you to compare your tooth to. These teeth are 19mm and 20mm slant height which is a typical size for Otodus upper symphyseal/parasymphyseal teeth. Upper symphyseal/parasymphtyseal Otodus obliquus tooth, Paleocene/Eocene Khouribga, Morocco 19mm slant height: Upper symphyseal/parasymphtyseal Otodus sokolovi tooth, Eocene Dakhla, Morocco 20mm slant height: Marco Sr. Hey Macro Sr. here is a better image for a size reference. thanks for the info! Link to comment Share on other sites More sharing options...
MarcoSr Posted July 26, 2021 Share Posted July 26, 2021 12 hours ago, Mrtoad said: Hey Macro Sr. here is a better image for a size reference. thanks for the info! Seeing the size of your tooth, I don't think it is an Otodus symphyseal/parasymphyseal tooth. I haven't seen an Otodus symphyseal/parasymphyseal tooth that large before. In this new picture, your tooth looks like an O. megalodon. Marco Sr. 1 "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
siteseer Posted July 26, 2021 Share Posted July 26, 2021 I agree with Marco Sr. that it is Otodus/Carcharocles megalodon. It's too big to be a symphyseal unless it's the biggest one I've ever seen. It might be a third upper anterior of a juvenile individual. It might help to get a shot of the labial face (opposite side) and a basal shot (view straight at the bottom the root lobes). It's tough to say where the tooth could be from. It might be from South Carolina. Gift shops often end up with mixes of teeth from different parts of the world with the labels lost somewhere along the way. Jess 1 Link to comment Share on other sites More sharing options...
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