Tj1977 Posted September 21, 2022 Share Posted September 21, 2022 Hello I am looking for help to identify these two teeth. I was told that they are T. rex but I feel either one of both are Albertosaurus but not 100% sure how to tell. I have included many photos and measurements. Both teeth are from the Hell Creek Formation. The first tooth and the shorter one is measures 2" long by 1" wide The second and longer tooth measures 2 1/4" long by .3/4" wide. Any information would be appreciated. Link to comment Share on other sites More sharing options...
Nanotyrannus35 Posted September 21, 2022 Share Posted September 21, 2022 Only Tyrannosaurs in Hell Creek are Tyrannosaurus and Nanotyrannus. State and county would be needed to make sure it's Hell Creek due to the many dinosaur fossil bearing locations in the US northwest. If they are from the Hell Creek Formation, then they're Tyrannosaurus rex. 2 Enthusiastic Fossil Hunter Link to comment Share on other sites More sharing options...
Tj1977 Posted September 21, 2022 Author Share Posted September 21, 2022 Yes there were found in Montana. Link to comment Share on other sites More sharing options...
Nanotyrannus35 Posted September 21, 2022 Share Posted September 21, 2022 3 minutes ago, Tj1977 said: Yes there were found in Montana. Do you have a county? In Montana there is the Judith River, Hell Creek, and Two Medicine Formations, all of which have tyrannosaurs. 2 Enthusiastic Fossil Hunter Link to comment Share on other sites More sharing options...
Tj1977 Posted September 21, 2022 Author Share Posted September 21, 2022 I don't have a county currently. I got these years ago and was told by the person who collected them that they are from the Hell Creek Formation in Montana. I wish I had more info. That is why I posted here to find out if there is a certain size or things to look for that are unique on a T. rex tooth to know for sure. That is why I am asking if it might be Albertosausus. Link to comment Share on other sites More sharing options...
Nanotyrannus35 Posted September 21, 2022 Share Posted September 21, 2022 This topic by @Troodon might help, but without proper locality, it most likely can't be identified. http://www.thefossilforum.com/index.php?/topic/57316-identification-tyrannosaurid-teeth-from-north-america/ 1 Enthusiastic Fossil Hunter Link to comment Share on other sites More sharing options...
Tj1977 Posted September 21, 2022 Author Share Posted September 21, 2022 Thank you. I'll contact the person who found them son as they are no longer with us to find out where exactly in Montana they were found. 1 Link to comment Share on other sites More sharing options...
hadrosauridae Posted September 21, 2022 Share Posted September 21, 2022 That first one looks like it originally had more of its base. Those look to be "fresh" breaks, not pre-depositional. "There is no shortage of fossils. There is only a shortage of paleontologists to study them." - Larry Martin Link to comment Share on other sites More sharing options...
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