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Showing results for tags 'judith river fm'.
Found 19 results
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Is it possible to identify isolated pachycephalosaurid teeth?
Fossil Collect posted a topic in Questions & Answers
Hello, Is it possible to identify isolated pachycephalosaurus teeth? My tooth has some moderate to heavy feeding wear on it so I don't know if its possible. I have the dinosaur systematics book however this doesen't help that much with identifying teeth. It only talks about cranial material. -
Hey all, Curious to know your thoughts on this tooth from the JRf in Hill county, Montana. I'm thinking tyrannosaurid, but not aware of tyrannos having things like DSDI=1.5 (granted, neither does Dromaeosaurus) or serrations that get 50% denser towards the middle vs at the base. Judith River formation, Hill county, Montana CH: 13.5mm CBL: 6.5mm CBW: 3mm Mesial serration density: 5/mm Distal serration density: 3.3/mm Serration density greater near the tip and base.
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Happy Sunday! I got this tooth a while back and figured I'd follow up my recent Troodon premax tooth ID post with it. It's 6mm long and is from the Judith River formation in Hill county, Montana. I ran it by @Troodon back when I was considering buying it and he thought it was a patho Troodon premax, but that was before I had good pictures of it. Please let me know if these also support that identification. Thank you!
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Hey all, With the denticles being so worn off this one, I'm wondering if general morphology can confidently ID Dromaeosaurus. It's a tooth I'd normally assume is anterior, but, if it is Dromaeosaurus, I'm not sure I'd be able to tell. Judith River formation, North Central Montana CH: 12mm CBL: 5.5mm CBW: 3mm Mesial serration density: about 6?/mm Distal serration density: about 5.5/mm
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This reminds me of those specialized Acheroraptor premax 2 teeth (for preening?). I'm never seen one for Saurornithelestes, but I suspect that's what this is. I don't know if Dromaeosaurus has anything like this. Judith River formation, Hill co, Montana CH: 7.3mm (I added 0.3mm for tip wear) CBL: 4.8mm CBW: 2.3mm Mesial serration density: 4.8/mm Distal serration density: about 9.5/mm
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Hello, Any thoughts on what animal this bone comes from? Judith River Formation, North of Havre, MT close to the Canadian border About 1" long Thanks,
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Hello I saw this jaw section online for sale, I was wondering what it could be from, the seller listed as albertosaurus but I highly doubt that for many reasons. Anyways I wanted to know what dinosaur group it may have came from, I was thinking maybe ceratopsian or hadrosaur? It’s from Judith river, I also was wondering how (if possible) you tell the difference between a theropod and herbivore jaw section. Many thanks
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Hello! I bought this dromaeosaur tooth and I’d like to know what genus maybe even species it is from. Thank you! (The tooth measures 0.46 inches and is from hill county Montana it is 74 million years old.
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Hello and thank you for checking this out. I got this tooth a while back. It comes from the Judith River Formation and is about 8mm apical length. The serrations seem large to the tune of Troodon, but they're too worn to be certain that they point apically throughout the posterior carina. (It was sold as Pectinodon, but I'm not seeing that.) What do you think it is? Thanks!
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Hey guys, I obtained this tooth at tucson this year direct from the finder. It is from the Judith river formation, hill county, montana. 2.2cm long. got a characteristic V shaped flattened area on each side of the tooth, which i have seen in nanotryannus but it can't be that ? as nano doesnt occur in the judith river.... or it's has been mislabelled? My question is tyrannosaurid or dromeosaurid? if so what could it be? thanks for your time. @Troodon
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Dear all, as an early Christmas present I got myself this tooth. It was sold as a Dromaeosaurus from the Judith River Formation in Montana. I tried my best to take close-up pictures of the denticles… They are clearly visible on one side but seem to be very worn (they are only faintly partially visible) on the other side… Can you agree on the ID of Dromaeosaurus albertensis? Thanks in advance and have a great Holidays!
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Hi everyone! A little while a go I bought some Tyrannosaur tooth fragments from the Judith Hill formation. They all looked correctly identified but this one looks a little funny to me. It's definitely a partial theropod tooth from Judith Hill formation of Montana. I just would like another look at it. It's a little less than an inch long.
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Associated Vertebrae?
Nanotyrannus35 posted a topic in Is It Real? How to Recognize Fossil Fabrications
I'd came across an sale listed as an associated pair of juvenile Hadrosaur Dorsal vertebrae - from the Judith River Formation. I had been wondering, are they really associated, and how can you tell if fossils are associated? Here are the pictures from the seller. -
Good morning buds! Managed to acquire for a very affordable price this theropod tooth, told from Judith River Formation. The seller believe it's Saurornitholestes langstoni, but some guys from my instagram account where I have posted it suggested it's a small tyrannosaurid. The only pic is missing is the base view, but the tooth base is almost rectangular. Very flat. Can't spot the denticle tips pointing up on mesial carina. If someone can tell out more from it it would be really appreciated! Thank for your time, have a nice day!
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From the album: Judith River fm. Fossil Finds
Probably my best find from that trip, this is so far the largest self found theropod tooth in my collection. It either belongs to Gorgosaurus or Daspletosaurus, though it is difficult to determine. Tyrannosauridae indet. (Either Gorgosaurus, Daspletosaurus or another taxon). Judith River fm.-
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From the album: Judith River fm. Fossil Finds
One of my favorite finds from my trip to Montana last summer, a foot claw from an ornithomimid. Probably not identifiable beyond the family level. Ornithomimdae sp. Judith River fm. -
From the album: Judith River fm. Fossil Finds
cf. Saurornitholestes langstoni Late Cretaceous (Campanian~76 mya) Judith River formation-
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First 2 Days in the Judith River fm of Montana- July 30-31, 2019
PaleoNoel posted a topic in Fossil Hunting Trips
Hey everyone, I've entered the final week of my awesome 3 week excursion with PaleoProspectors! We finish in Northern Montana in the Judith River formation. Monday we started at microsite which was easily accessed and a location I had some success two years prior- in 2017 I found a Troodon tooth here among other nice fossils. It became readily apparent that this location was going to give us another productive day. Although I found no complete theropod teeth early on, I did find a number of partials and fragments, along with spit teeth and some crocodilian fossils. The beautiful view from where we parked. Piece of crocodilian osteoderm Some spit teeth, most likely hadrosaur. The tip of a tyrannosaurid tooth A view from the microsite And now for my big find of the day! A huge tyrannosaurid tooth. I was so excited that I had to prep it out that night and I was happy with how it came out. oh yeah I also found a lil croc tooth after this. Some more views of the site and who I'm collecting with
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I acquired this tooth a while back from a seller who labeled this as daspletosaurus. He said it was collected in the Judith river formation. Is there any way to tell if this is correct? The Judith river formation according to Wikipedia has only two tyrannosaurs, deinodon and aublysodon (which is possibly a junior synonym of deinodon) so I'm guessing it's one of those? Any one know anything further?
