Hell Creek Dinosaurs Posted February 9, 2019 Share Posted February 9, 2019 I recently purchased this tooth from a collector at the Tucson Gem and Mineral Show. He wasn't sure if the tooth was Pachy or Thescelosaur but upon looking at it more closely I'm not even sure if it isn't some sort of Ankylosaur. Any help would be great. The tooth was found in the Hell Creek Formation Perkins County, SD. Thanks! Ryan Link to comment Share on other sites More sharing options...
Hell Creek Dinosaurs Posted February 9, 2019 Author Share Posted February 9, 2019 More pics... Link to comment Share on other sites More sharing options...
Hell Creek Dinosaurs Posted February 9, 2019 Author Share Posted February 9, 2019 Pic3 Link to comment Share on other sites More sharing options...
Hell Creek Dinosaurs Posted February 9, 2019 Author Share Posted February 9, 2019 (edited) Pic4...The back side. Edited February 9, 2019 by Hell Creek Dinosaurs Link to comment Share on other sites More sharing options...
Runner64 Posted February 9, 2019 Share Posted February 9, 2019 I am thinking this is a Thescelosaurus maxillary tooth. Does not have the pinch in the middle which you see in Pachysephalosaurus maxillary teeth. Link to comment Share on other sites More sharing options...
PaleoNoel Posted February 10, 2019 Share Posted February 10, 2019 Hi Ryan, good to see you on the forum! Link to comment Share on other sites More sharing options...
ynot Posted February 10, 2019 Share Posted February 10, 2019 Welcome to TFF! Nice tooth. Maybe @-Andy- or @hxmendoza can help. I know @Troodon could help, but He has gone MIA. Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
-Andy- Posted February 10, 2019 Share Posted February 10, 2019 At first glance I thought Thescelosaur but there doesn't seem to be enough ridges on the side Reminds me of Dracorex teeth as seen here: 1 Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
-Andy- Posted February 10, 2019 Share Posted February 10, 2019 I am certain it's not Ankylosaurid base off Troodon's post: Troodon made a great guide for identifying between Pachy and Thescelosaurus teeth here: Right now I am undecided between Thescelosaurus or Dracorex. 2 Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
Runner64 Posted February 10, 2019 Share Posted February 10, 2019 3 hours ago, -Andy- said: At first glance I thought Thescelosaur but there doesn't seem to be enough ridges on the side Reminds me of Dracorex teeth as seen here: Haven't seen Dracorex teeth before, I see more resemblance to this than a Thescelosaurus maxillary. Link to comment Share on other sites More sharing options...
TyBoy Posted February 10, 2019 Share Posted February 10, 2019 That Dracorex photo is in Troodons post very vool, FYI its now considered a juvie Pachycephalosaurus by most Pachycephalosaurid Paleontologists. The teeth resemble Thescelosaurus and compares well with Troodons photo seen below. Center of Crown is rounded the Dracorex photo is a flat concave'ish crown with a center ridge 1 Link to comment Share on other sites More sharing options...
Hell Creek Dinosaurs Posted February 10, 2019 Author Share Posted February 10, 2019 Hey Everyone I appreciate the help with this! Seems like there is a rift between Dracorex and Thescelosaur maxillary tooth. I know making a 100% certain ID is very difficult and I appreciate the help! Link to comment Share on other sites More sharing options...
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