historianmichael Posted November 25, 2021 Share Posted November 25, 2021 (edited) I was hoping to get some help identifying this Paleocene sand tiger shark tooth from the Aquia Formation. I tried to compare it to the examples on Elasmo but I know that there is a lot of variation in teeth and I am by no means an expert. I thought it looked like a Striatolamia but I did not see any striations- maybe they were worn off. Any help would be greatly appreciated. Thank you so much and happy Thanksgiving! Edited November 25, 2021 by historianmichael Follow me on Instagram (@fossil_mike) to check out my personal collection of fossils collected and acquired over more than 15 years of fossil hunting! Link to comment Share on other sites More sharing options...
bthemoose Posted November 26, 2021 Share Posted November 26, 2021 What is the size? Link to comment Share on other sites More sharing options...
bthemoose Posted November 26, 2021 Share Posted November 26, 2021 Given the shape it's in, I'm not sure you'll get beyond sand tiger indeterminate. If it lacks striations that aren't just worn off, I think it's possible for it to be any of Odontaspis winkleri, Palaeohypotodus rutoti, or Hypotodus verticalis. Link to comment Share on other sites More sharing options...
sixgill pete Posted November 26, 2021 Share Posted November 26, 2021 I am leaning towards Hypotodus verticalis Bulldozers and dirt Bulldozers and dirt behind the trailer, my desert Them red clay piles are heaven on earth I get my rocks off, bulldozers and dirt Patterson Hood; Drive-By Truckers May 2016 May 2012 Aug 2013, May 2016, Apr 2020 Oct 2022 Link to comment Share on other sites More sharing options...
historianmichael Posted November 26, 2021 Author Share Posted November 26, 2021 1 hour ago, bthemoose said: Given the shape it's in, I'm not sure you'll get beyond sand tiger indeterminate. If it lacks striations that aren't just worn off, I think it's possible for it to be any of Odontaspis winkleri, Palaeohypotodus rutoti, or Hypotodus verticalis. I am sorry. I totally forgot. It is 3/8" Follow me on Instagram (@fossil_mike) to check out my personal collection of fossils collected and acquired over more than 15 years of fossil hunting! Link to comment Share on other sites More sharing options...
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