gturner333 Posted June 13, 2017 Share Posted June 13, 2017 I found this little guy going through some matrix from the Aguja formation, Brewster county, in west Texas. It is late Cretaceous. I can't tell if it is a tooth (as from a multituberculate mammal), a jaw section, or just a suggestively shaped rock. What do you think? I have attached the bottom, side, and top views. The hash marks are 1mm. Thanks for any help. Link to comment Share on other sites More sharing options...
Miocene_Mason Posted June 13, 2017 Share Posted June 13, 2017 That looks mammal to me “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Miocene_Mason Posted June 13, 2017 Share Posted June 13, 2017 Here's a multituberculate jaw from the same formation “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Miocene_Mason Posted June 13, 2017 Share Posted June 13, 2017 http://www.museum.lsu.edu/OccPap/77.pdf this paper has some species in it, hope it helps 1 “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Troodon Posted June 13, 2017 Share Posted June 13, 2017 I'm not sure what you have. There are features that say it's a tooth, molar, but I'm not sure. I don't think it's a multituberculate those cusps typically point upward not like those in the photo below. But are they cusps or roots and the chewing surface is the other side, don't know. When it comes to researching comparable specimens you can look at papers from North American late cretaceous formations like the Judith River or Hell Creek you're not stuck with just the Aguja. I looked at my papers and nothing jumped out. 1 Link to comment Share on other sites More sharing options...
Miocene_Mason Posted June 13, 2017 Share Posted June 13, 2017 Okay, maybe Alphadon tooth, or some other marsupial. “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
gturner333 Posted June 14, 2017 Author Share Posted June 14, 2017 There are some similarities to the marsupials i have seen on the web. I will keep looking at other Hell Creek, etc mammals. Link to comment Share on other sites More sharing options...
jpc Posted June 14, 2017 Share Posted June 14, 2017 This is a weirdo. It looks nothing like any late Cretaceous mammal teeth or any other teeth that I am familiar with. not multituberculate, not Alphadon... Weird, I tell ya. Link to comment Share on other sites More sharing options...
Al Dente Posted June 14, 2017 Share Posted June 14, 2017 I think it could be a tooth plate from a fish. Here's a Miocene one from California and an illustration from a publication of a Cretaceous one. 2 Link to comment Share on other sites More sharing options...
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