SawTooth Posted January 29, 2023 Share Posted January 29, 2023 Today I went to a nearby creek in north Florida and came across these fossils that I need help identifying. 1. Definitely posterior. Maybe bull, lemon, or hammerhead? 2. I don't know if I've seen this before, at first I thought small hastalis, but then I noticed what appears to be a cusp on the left side. (it's just on the tape measure so you can see the cusp better.)3. Turtle, but I was wondering with the odd shape if it was possible to tell where from.Thanks! Link to comment Share on other sites More sharing options...
SawTooth Posted January 31, 2023 Author Share Posted January 31, 2023 I was wondering if #2 could be a mackerel shark tooth, but for location that doesn't seem right. Link to comment Share on other sites More sharing options...
debivort Posted January 31, 2023 Share Posted January 31, 2023 Is the first tooth serrated? If so, some kind of Cacharhinus seems likely, if not, I like hammerhead, based on having one rounded enamel shoulder separated by a notch from a slanted crown, and a large nutrient groove. 1 Link to comment Share on other sites More sharing options...
SawTooth Posted February 1, 2023 Author Share Posted February 1, 2023 The first is serrated, yes. Link to comment Share on other sites More sharing options...
debivort Posted February 2, 2023 Share Posted February 2, 2023 2 hours ago, SawTooth said: The first is serrated, yes. Then Carcharhinus - perhaps some chipping gives it that hammerhead-like shape. 1 Link to comment Share on other sites More sharing options...
jpc Posted February 2, 2023 Share Posted February 2, 2023 as for the turtle piece, it is form the plastron (belly part of the shell) and the convex potion is where one of the legs comes out of the shell. I am going to let someone else tell you what kind of turtle it is. The patterns on it should be a clue to some of the more seasoned FL folks. 1 1 Link to comment Share on other sites More sharing options...
sixgill pete Posted February 2, 2023 Share Posted February 2, 2023 Close up, in focus pictures of the teeth would be helpful to get an accurate I.D. With the teeth being the central focus of the photo. The pics blur when I try to enlarge them. Also pictures of both sides of the tooth. Read some of the pinned topics on how to get your item I.D.'d. 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...
SawTooth Posted February 2, 2023 Author Share Posted February 2, 2023 3 hours ago, sixgill pete said: Close up, in focus pictures of the teeth would be helpful to get an accurate I.D. With the teeth being the central focus of the photo. The pics blur when I try to enlarge them. Also pictures of both sides of the tooth. Read some of the pinned topics on how to get your item I.D.'d. Thank you! It's also that my phone just has poor picture quality I general, but I'll try to post some new pictures soon. Link to comment Share on other sites More sharing options...
SawTooth Posted February 8, 2023 Author Share Posted February 8, 2023 Sorry, I forgot about the pictures, but here are some better ones. Link to comment Share on other sites More sharing options...
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