ruoyang Posted September 5, 2021 Share Posted September 5, 2021 found it at the Big Brook Preserve, NJ. Look like a piece of skin or shield from reptile? Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted September 5, 2021 Share Posted September 5, 2021 Yes, it's a fragment of turtle or alligator osteoderm. 3 2 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
jpc Posted September 5, 2021 Share Posted September 5, 2021 not skin, but a bone bit from within the skin... an oseteoderm. 1 1 Link to comment Share on other sites More sharing options...
abyssunder Posted September 5, 2021 Share Posted September 5, 2021 (edited) I agree with the others. Edited September 5, 2021 by abyssunder " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
tombk Posted September 5, 2021 Share Posted September 5, 2021 Nice find! Link to comment Share on other sites More sharing options...
hemipristis Posted September 6, 2021 Share Posted September 6, 2021 croc osteoderm 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
Rockwood Posted September 6, 2021 Share Posted September 6, 2021 boneskin ? Ya it's backwards to an American, but that's what it means. Link to comment Share on other sites More sharing options...
Carl Posted September 7, 2021 Share Posted September 7, 2021 I think it looks more like a trionychid turtle than a croc. Nice find! 3 Link to comment Share on other sites More sharing options...
hemipristis Posted September 7, 2021 Share Posted September 7, 2021 5 minutes ago, Carl said: I think it looks more like a trionychid turtle than a croc. Nice find! I change my mind and concur 1 'Those who cannot remember the past are condemned to repeat it.' George Santayana Link to comment Share on other sites More sharing options...
Rockwood Posted September 7, 2021 Share Posted September 7, 2021 3 hours ago, Carl said: I think it looks more like a trionychid turtle than a croc. Nice find! Which begs the question; are we looking at dermal bone still, or both ? 1 Link to comment Share on other sites More sharing options...
jpc Posted September 7, 2021 Share Posted September 7, 2021 2 hours ago, Rockwood said: Which begs the question; are we looking at dermal bone still, or both ? yes, Trionychid shell fragment, which is technically made of dermal bone (osteoderm). 1 Link to comment Share on other sites More sharing options...
Rockwood Posted September 7, 2021 Share Posted September 7, 2021 2 hours ago, jpc said: yes, Trionychid shell fragment, which is technically made of dermal bone (osteoderm). No fusion to an endochondral layer (rib) ? [He probably has the plate ID. ] Link to comment Share on other sites More sharing options...
jpc Posted September 8, 2021 Share Posted September 8, 2021 5 hours ago, Rockwood said: No fusion to an endochondral layer (rib) ? [He probably has the plate ID. ] and yes, dermal bone fused to the ribs, and vertebrae. 1 Link to comment Share on other sites More sharing options...
Rockwood Posted September 8, 2021 Share Posted September 8, 2021 Link to comment Share on other sites More sharing options...
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