Life Finds A Way Posted April 8, 2023 Share Posted April 8, 2023 Hi guys, I found this partial tooth in Big Brook in Monmouth. It's very worn but my best guess from looking at the squished in bottom shape seems to point to it coming from a dino theropod. Possibly dryptosaurus? Please let me know your thoughts. Link to comment Share on other sites More sharing options...
Troodon Posted April 8, 2023 Share Posted April 8, 2023 Not seeing a tooth. No enamel present and no serrations are evident. Looks geologic 1 1 Link to comment Share on other sites More sharing options...
Life Finds A Way Posted April 8, 2023 Author Share Posted April 8, 2023 Big brook finds tend to be very river worn, and mostly fragments of teeth with worn to little to no enamel are discoverable. I don't think it's geological though. Link to comment Share on other sites More sharing options...
Jeffrey P Posted April 8, 2023 Share Posted April 8, 2023 Looks to me like a concretion. Therapod teeth are beyond rare in N.J. I've only seen two in the past eleven years. 1 Link to comment Share on other sites More sharing options...
rocket Posted April 8, 2023 Share Posted April 8, 2023 without seeing details of serration, surface, root..., not possible to determine. I agree with Troodon, no fossil Link to comment Share on other sites More sharing options...
Life Finds A Way Posted April 8, 2023 Author Share Posted April 8, 2023 Bottom looks like this section of a dryptosaurus tooth I found for reference. Would only be a piece of the tooth without serrations Link to comment Share on other sites More sharing options...
Jeffrey P Posted April 8, 2023 Share Posted April 8, 2023 (edited) As Trodon said, without any diagnostic features preserved/present it is inappropriate to interpret this as a therapod tooth, or even a fossil of any sort. New Jersey concretions display an uncanny knack for resembling a whole host of critters. You're far from the first to get fooled. Edited April 8, 2023 by Jeffrey P 1 Link to comment Share on other sites More sharing options...
Life Finds A Way Posted April 8, 2023 Author Share Posted April 8, 2023 Another image for reference of a dryptosaurus recovered from Big Brook by another fossil hunter Link to comment Share on other sites More sharing options...
Life Finds A Way Posted April 8, 2023 Author Share Posted April 8, 2023 Thanks all appreciate the input here. AIt's not a concretion but difficult to prove without more evidence in the sample Link to comment Share on other sites More sharing options...
erose Posted April 8, 2023 Share Posted April 8, 2023 Take it to the state museum for a hands-on evaluation. Even a horribly water-worn dino tooth would be of interest...or it's just a rock... Definitely worth finding out. 1 Link to comment Share on other sites More sharing options...
Troodon Posted April 8, 2023 Share Posted April 8, 2023 I've handled hundreds and hundreds of theropod teeth, so Ive seen a few. This one looks nothing like one and it's only similarity to a Dryptosaurus tooth is its triangular shape. 3 Link to comment Share on other sites More sharing options...
Life Finds A Way Posted April 8, 2023 Author Share Posted April 8, 2023 Yep. Im starting to think if it is bone or organic at all, maybe a fragment of something else as @Troodon pointed out from lack of evidence of it being a theropod tooth (he is the expert). Still the bottom shape stumps me for sure... The mystery material of monmouth is always a head scratcher. Link to comment Share on other sites More sharing options...
jonnyquest Posted April 8, 2023 Share Posted April 8, 2023 Looks like ironstone concretion. 1 1 Link to comment Share on other sites More sharing options...
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