Reebs Posted September 29, 2020 Share Posted September 29, 2020 Hello again, Fossil in question is 4” x 3“ (101.6 mm x 76.2 mm) and thin like a pancake...is this a type of glyptodon scute or an edge piece of a glyptodon shell!!?? It has the shape kinda resembling one on the underside but the top surface doesn’t look like the typical “flowered-shape” ones we find here in this area!? This area being Manatee county, Fl. Thank you kindly! Marie Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted September 29, 2020 Share Posted September 29, 2020 Coral colony, perhaps? 2 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Reebs Posted September 29, 2020 Author Share Posted September 29, 2020 24 minutes ago, Tidgy's Dad said: Coral colony, perhaps? Interesting thought, I had not thought of coral. Link to comment Share on other sites More sharing options...
Reebs Posted September 29, 2020 Author Share Posted September 29, 2020 Why I was inclined to think glyptodon in the first place is that I did find it with glyptodon scutes. Right next to them. I probably should have included that in the original post. If you squint your eyes the underside of the big one looks like the top side of the small ones!? Or am I stretching my imagination on this? lol The larger one is also broken on some of the edges but some are smooth like they are the original shape. Link to comment Share on other sites More sharing options...
Reebs Posted September 29, 2020 Author Share Posted September 29, 2020 Something similar to this? Or no am I just going on a completely incorrect tangent..... 1 Link to comment Share on other sites More sharing options...
Reebs Posted September 30, 2020 Author Share Posted September 30, 2020 I just heard from one of my fossil friends who thinks it’s a thorny skate dermal spine plate.... 1 Link to comment Share on other sites More sharing options...
Shellseeker Posted September 30, 2020 Share Posted September 30, 2020 Those look like coral polyps to me. See exmples in this TFF thread. 2 The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted September 30, 2020 Share Posted September 30, 2020 9 hours ago, Shellseeker said: Those look like coral polyps to me. See exmples in this TFF thread. I second that. Not a specialist in corals, so you'd need to wait for one if you'd like proper identification. But I'd say coral, as, indeed, the one side appears to have the polyps typical of them. The other side lacks the pitted texture that is typical of armadillo scutes, which only builds the case. Moreover, I believe that certain corals grow in branches, which may grow together over time, which might be the slight segmentation you're seeing. But I'd say these segments are less regular in geometrical patterning than would be the scutes on an armadillo armour. 1 'There's nothing like millions of years of really frustrating trial and error to give a species moral fibre and, in some cases, backbone' -- Terry Pratchett Link to comment Share on other sites More sharing options...
Mahnmut Posted September 30, 2020 Share Posted September 30, 2020 Hmm, being found right next to glyptodon scutes at least increases the probability of being glyptodon-related. The dimensions of the pattern also fit loosely, although it is not perfectly regular. Maybe some kind of impression, something the Glyptodon sat down on? Best Regards, J 1 Try to learn something about everything and everything about something Thomas Henry Huxley Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted September 30, 2020 Share Posted September 30, 2020 44 minutes ago, Mahnmut said: Hmm, being found right next to glyptodon scutes at least increases the probability of being glyptodon-related. The dimensions of the pattern also fit loosely, although it is not perfectly regular. Maybe some kind of impression, something the Glyptodon sat down on? Best Regards, J Now I won't claim I know too much on fossil sites in Florida, but what I've seen and heard about them seems to indicate a lot of them are submerged in rivers, swamps - that is, areas in which one can easily imagine material shifting and mixing. In other words, something being found close to something else does, in such a context, not necessarily imply association. 2 'There's nothing like millions of years of really frustrating trial and error to give a species moral fibre and, in some cases, backbone' -- Terry Pratchett Link to comment Share on other sites More sharing options...
Al Dente Posted September 30, 2020 Share Posted September 30, 2020 20 hours ago, Reebs said: I just heard from one of my fossil friends who thinks it’s a thorny skate dermal spine plate.... Not skate but a stingray dermal thorn. Here’s a similar one in the upper left from Dasyatis centroura. 2 Link to comment Share on other sites More sharing options...
Reebs Posted September 30, 2020 Author Share Posted September 30, 2020 3 minutes ago, Al Dente said: Not skate but a stingray dermal thorn. Here’s a similar one in the upper left from Dasyatis centroura. Ooooh YES!!! my goodness! That is most certainly a match. Thank you so much. And thank everyone above for their input, I learned a lot with this one. Link to comment Share on other sites More sharing options...
Mahnmut Posted October 1, 2020 Share Posted October 1, 2020 Wow, thats one big dermal thorn! 1 Try to learn something about everything and everything about something Thomas Henry Huxley Link to comment Share on other sites More sharing options...
Reebs Posted October 1, 2020 Author Share Posted October 1, 2020 3 hours ago, Mahnmut said: Wow, thats one big dermal thorn! Ooooh - it’s huge can we guess how large of a Stingray it would have came from? Link to comment Share on other sites More sharing options...
Shellseeker Posted October 8, 2020 Share Posted October 8, 2020 On 10/1/2020 at 10:02 AM, Reebs said: Ooooh - it’s huge can we guess how large of a Stingray it would have came from? Agree that the one you have is huge... compared to what we find, but I have never seen a research paper that extrapolates size of dermals to size of animals. I tracked down a thread on a find, similar to yours, almost a decade ago... 1 The White Queen ".... in her youth she could believe "six impossible things before breakfast" Link to comment Share on other sites More sharing options...
LabRatKing Posted October 8, 2020 Share Posted October 8, 2020 Honestly, I see coral. I bet acid test results would be much different than results from the glyp samples. Link to comment Share on other sites More sharing options...
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