TiffMarie Posted April 8, 2022 Share Posted April 8, 2022 Just wondering if anyone can tell me what these might be?! My boys were ecstatic to find them. Thanks!! found in Post Oak Creek, TX Link to comment Share on other sites More sharing options...
bthemoose Posted April 9, 2022 Share Posted April 9, 2022 The larger one with the root looks like Cretodus. The other one might be too. 1 1 Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted April 9, 2022 Share Posted April 9, 2022 They're both broken and quite worn. It will be difficult for even the experts on shark teeth to ID even just the genus. 1 Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
fossilhunter21 Posted April 9, 2022 Share Posted April 9, 2022 Unfortunately I have to agree with, @Mark Kmiecik. We could guess all we want with these, but we may or may not get it correct. -Micah Link to comment Share on other sites More sharing options...
ThePhysicist Posted April 10, 2022 Share Posted April 10, 2022 There are only a couple of large lamniform genera present in POC, the largest on average seems to be Cretodus. The rooted one is Cretodus crassidens in my book - it has cusplets and a large, robust root with a high lingual protuberance (for sure not Cretalamna or Cretoxyrhina). You may see small ridges at the foot of the crown, depending on how worn it is. The other one is also likely Cretodus based on the shape and size of the crown. 3 "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...
Captcrunch227 Posted April 11, 2022 Share Posted April 11, 2022 I agree with @ThePhysicist, these are Cretodus. Cretodus is very prevalent in Post Oak. Although it’s not Cretodus crassidens, at least not anymore. That’s not valid in the States anymore, only in Europe. It’s now Cretodus houghtonorum 1 Link to comment Share on other sites More sharing options...
ThePhysicist Posted April 12, 2022 Share Posted April 12, 2022 19 hours ago, Captcrunch227 said: I agree with @ThePhysicist, these are Cretodus. Cretodus is very prevalent in Post Oak. Although it’s not Cretodus crassidens, at least not anymore. That’s not valid in the States anymore, only in Europe. It’s now Cretodus houghtonorum Thanks for the update, that paper is now next on my reading list. Upon first glance, I'm not sure that C. houghtonorum is in NTX, I haven't seen any laterals with double cusplets; but I'll have to actually read it before I can really say anything. "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...
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