RescueMJ Posted July 26, 2021 Share Posted July 26, 2021 Unknown fossil. Found in Pleistocene material. Inland, Venice, Florida. Specimen measures 65mm x 60mm. Smooth portion is 42mm high. I have found both Equus teeth and alligator jaw in same location. This item is a first for me. It appears to be possibly a caudal vertebra? Image 2 has a concave surface. Image 4 has a convex surface like it would match up with another concave surface. I think I have seen a photo of it before somewhere but I don't recall. Thank you for your ID assistance. -Regards, Michael Link to comment Share on other sites More sharing options...
Fossildude19 Posted July 26, 2021 Share Posted July 26, 2021 I think gator. @Harry Pristis @Shellseeker @digit @jcbshark 1 4 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
caterpillar Posted July 26, 2021 Share Posted July 26, 2021 Croc for sure http://www.paleotheque.fr Link to comment Share on other sites More sharing options...
pachy-pleuro-whatnot-odon Posted July 26, 2021 Share Posted July 26, 2021 (edited) The vertebra is procoelous, making it crocodilian. Not sure whether it's possible to differentiate crocodile from alligator just on the basis of a vertebra, but seeing as you mention having found other gator remains at the same location, I'd say alligator might not be a bad guess (assuming these were correctly identified as alligator rather than crocodile)... Finally, I'm not sure whether you can determine the position along the spine this vertebra would've come from (I'm not familiar enough with crocodilians). But since the vertebra is still quite sizeable, and I don't see any attachment sites for either caudal ribs or chevrons, I'd say this is likely to be a dorsal, where the rib facets would've been located on the natural arch... Edited July 26, 2021 by pachy-pleuro-whatnot-odon 4 '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...
RescueMJ Posted July 26, 2021 Author Share Posted July 26, 2021 Outstanding response. Thank you. Another rainy day will help me. -Regards Michael Link to comment Share on other sites More sharing options...
jcbshark Posted July 26, 2021 Share Posted July 26, 2021 I'd say gator, around Venice it's fairly rare to find croc material 2 Every once in a great while it's not just a big rock down there! Link to comment Share on other sites More sharing options...
RescueMJ Posted July 26, 2021 Author Share Posted July 26, 2021 I agree. I’m finding Equus mixed in with gator fossils. Found another vert yesterday similar to another post earlier. Equus or Manatee? Link to comment Share on other sites More sharing options...
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