Othniel C. Marsh Posted February 16 Share Posted February 16 Below is an unidentified phytosaur tooth from the Norian of the Chinle Formation which I've been struggling to identify to a genus or species level. Thanks in advance for any proposed ID's Othniel Link to comment Share on other sites More sharing options...
Fossildude19 Posted February 16 Share Posted February 16 Better lit, in focus pictures may be needed. Cropped and brightened: Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "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...
Carl Posted February 21 Share Posted February 21 Pretty sure phytosaur teeth have carinae and serrations, which this lacks. I'm getting an amphibian vibe from it. 1 Link to comment Share on other sites More sharing options...
CDiggs Posted February 21 Share Posted February 21 @Romigodon Link to comment Share on other sites More sharing options...
Othniel C. Marsh Posted February 23 Author Share Posted February 23 On 2/21/2024 at 2:02 PM, Carl said: Pretty sure phytosaur teeth have carinae and serrations, which this lacks. I'm getting an amphibian vibe from it. I'll have to take a closer look at the tooth to see if either of the above are present but just very worn, but I think you're right. If it is an amphibian could it be Apachesaurus? Link to comment Share on other sites More sharing options...
Carl Posted February 23 Share Posted February 23 21 minutes ago, Othniel C. Marsh said: I'll have to take a closer look at the tooth to see if either of the above are present but just very worn, but I think you're right. If it is an amphibian could it be Apachesaurus? Can't say I know my Chinle amphibians very well AT ALL, so no opinion there. 1 Link to comment Share on other sites More sharing options...
Othniel C. Marsh Posted February 23 Author Share Posted February 23 (edited) A closer look has been taken and there are no serrations or carinae: just ridges. Apachesaurus is also probably too small for such a tooth to belong to it. I reckon that it belongs too an Anaschisma, as it appears to be the most common amphibian in the Chinle Formation and the only amphibian large enough to have such a tooth, but I will reserve my judgement until those with greater expertise in the field have given their opinion. Edited February 23 by Othniel C. Marsh 1 Link to comment Share on other sites More sharing options...
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