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Showing results for tags 'judith river'.
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Hi everyone, I haven't posted in a long time as I've been busy with a toddler but have recently made some fun additions to the humble collection. I've been searching for years for a killing claw from a dromaeosaur from Hell Creek and recently stumbled on what could be a killing claw but from what's being identified as a dromaeosaur from Judith River. It's listed as 0.6" which is fairly small. Can anyone provide any more insight into what it could be? Whether they see any extensive restoration? Could it be a troodontid given it's small size? The seller is also offering what I can only guess is a walking foot claw of a dromaeosaur from Hell Creek. 0.8" It's the paler claw. These would be some of the last fossils on my life long dream list to have. I appreciate any help anyone can provide and I'll try to also post more as things settle down cheers Marcus
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Hello,I am new to this forum. I recently acquired this tooth not that long ago,I was hoping it would be a Tyrannosaurid.Then I started to have some doubts looking at other papers.I understand you can’t identify Tyrannosaur Campanian teeth further down to Gorgosaurus, Daspletosaurus, and etc. at this size. I just hope to find out if it is a Tyrannosaurid or some other group of theropods like Dromeosaurs. My original idea is that it was too large to be a Dromeosaur from this formation. So I went with the Tyrannosaur ID but I have doubts. Info: Tyrannosaur tooth? with a partial Hadrosaur tooth Location:Judith River Formation, Hill County, Montana “1.05” inches long. There seems to be no Mesial serrations or they are worn down. Thanks for the help. I’ll of course add more photos if needed!😊
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Hello there, Today an ankylosaurid scute was in my mail Information from seller: Euoplocephalos tutus Cretaceous Judith river formation Alberta, Canada One question about this: is Judith River fm the correct name if it is from Alberta? Isn't it Oldman Fm, or Dinosaur Park Fm then (territories of the Judith River group in Canada)? Based on the information I found online.. in these two formations in Canada the following ankylosaurids were found: Oldman fm: Scolosaurus Dinosaur Park fm: Anodontosaurus, Dyoplosaurus, Edmontonia, Euoplocephalus, Panoplosaurus, Platypelta, Scolosaurus I will ask the seller again for the exact location but I also wanted to ask some experts here.. Thank you in advance. Best regards Max
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Hello everyone! Here is a nice raptor tooth from Montana, JRF Hill county. Another collector and I were wondering what the species is likely. Especially with those ridges. Back then bought as a Saurornitholestes.
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Hello! I have found fossilized bones in a dry valley off off the Milk River/ Judith River formation. They were sitting near each other in an area that had been washed out fairly recently. The area found is up the bank from where the Milk River meets the now Fresno Reservoir. Any help to ID so that I can tell my 7 year old dinosaur enthusiast friend about what these are.
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Started going through some of a Judith River Channel Deposit that I received here are somethings I am not 100% sure of. 1. Tyrannosaur Tooth Shard?
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Was told this was a burrow of some sort collected it myself in north eastern Montana at a Judith River site. Is there anymore info that could be described from this?
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Found in the JRF - an inch long. Seems modern? I just don’t have a clue what it is. Thanks!!
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Good evening to all my paleo peers! Tonight I’d like to share with you a selection of some of my favorite fossils found this year. I was lucky enough to spend three weeks in Montana over the summer, along with a few other fossil hunting opportunities here and there. As we hop into the New Year I'll kick things off aptly... Frog Radioulna-Judith River formation, Montana One of my all time best single fossil hunting days was spent in late June on a microsite in the Judith River badlands of northern Montana. Among the teeth of crocs, hadrosaurs and dromaeosaurs was this absolutely tiny limb bone. When reviewing my finds from this week I gathered up several of these micro bones and put them in a gem jar. I brought this minute group along with a small portion of my collection on my recent visit to the Carnegie Museum of Natural History. While exploring their collections I met amphibian expert Amy Henrici, who recognized it as the distinctive fused lower arm bone from a frog, also known as a radioulna. Yesterday I was able to take clear, close up pictures of this tiny limb on my digital microscope and subsequently posted it as my fossil friday on instagram (same username). I was excited to learn about its identity as it’s the first example of a frog fossil in my collection that I’m aware of! This little guy would have likely been on the menu for a whole host of predators, including Dromaeosaurs and Troodontids. The recent discovery of Daurlong provides evidence of a predator prey relationship between these two groups.
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From the album: Dinosaurs
A theropod tooth I recently acquired from the JRF. Sold as a juvenile Tyrannosaurid, but I'm not fully convinced. -
These teeth were sold as a baby tyrannosaurid and a dromaeosaurid/bird respectively. Some other specimens from this lot have been posted here if I recall. But they are from North of Havre, Montana close to the Canadian border. Apparently they are from quite an old collection from around 1950-70s. The provenance should place it solidly in Judith River Formation. Since these teeth were selling somewhat quickly, I just grabbed them and decided on figuring it out later. The first tyrannosaurid tooth does have some similarities to Dromaeosaurus with the mesial twist, but I could be wrong. The second tooth is a bit more confusing. I'm guessing it is Zapsalis-type with those striations which would make it Saurornitholestes. I don't think it's bird compared to bird teeth from other deposits. It's probably not one of those Campanian microraptorians either, and it's probably too big even at this size to be bird or micro. 1st tooth: Length=6.3mm; Distal Density=17.5/3mm; CBL=2.9mm; CBW=1.8mm 2nd tooth: Length=5.8mm; Distal Density= ±11-12/mm (?); CBL=2.6mm; CBW=1.3mm Serration density for the 2nd tooth might not be too accurate since it was extremely difficult to even get to that number. Not sure how to go about getting CH, but it's probably a little bit more than the length since the tips are worn. 1st tooth might be good as is since with that small root section, that probably makes up for what would be a longer crown. 1st Tooth 2nd tooth
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This tooth was purchased on an auction website from a person who needed the money and sold a tooth they purchased from a reputable online dealer in 2020. All I have is an original receipt from the reputable dealer which lists Tyrannosaur tooth, Judith River Formation and the original price. Here are some pictures I just took as I just received the specimen. I am wondering if it is possible to determine the species. Thanks in advance
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Hello folks, Any ideas on genus/species identification of this humerus? It's 14cm long, hollow, found in Judith River formation, Hill County, Montana. It was identified as "Dromaeosaurid sp. indent" by the seller. Possibly Dromaeosaurus albertensis? It looks very similar to the first museum skeleton below, and fairly similar to the second - although the humeral head is less prominent. However, the morphology in the third and fourth museum Dromaeosaurus examples looks completely different, so I'm not sure what to make of it.
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Hello, a quick question. I bought this tooth as Daspletosaurus tooth 2 1/8. it was found in the Judith river formation (exactly?) is it conceivable that it is also a Gorgosaurus tooth? Or is it even possible to determine exactly? I would be very happy about your opinion. Best wishes.
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Hello . Is this tooth a Ankylosaur or a Nodosaur tooth ??? Locality : Hill county , Judith river formation Thank in advance !
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My Jurassic Park - The Judith River Formation (Montana)
Troodon posted a topic in Member Collections
The Judith River Formation is a late Cretaceous geological formation that was primarily deposited in North Central Montana 80 to 75 million years ago about the same time as the Two Medicine Formation, See Map - Large meandering rivers flowing into the Intercontinental Cretaceous Seaway deposited the Formation. Much of the area was very flat, with swamps and bogs, much like today's southern Louisiana. Dinosaurs included Tyrannosaurs, the duck-bills hadrosaur Brachylophosaurus was the most common found, Ceratopsian included Avaceratops and smaller theropods like Troodon and Dromaeosaurs terrorized the land. I have not collected the formation extensively but have had some great finds and have also acquired some nice specimens. I have two very important specimens from this fauna a Troodon formosus maxilla and an undescribed Ceratopsian skull element. Troodon formosus: The maxilla was the first substantial skull element that has been found in North American of Troodon and I partnered with the Royal Ontario Museum to provide them the opportunity to study it. Posted a topic in July that described it in more detail. http://www.thefossilforum.com/index.php?/topic/55970-partnering-with-the-royal-ontario-museum/ Edited 7/20/23 Judithian Ceratopsian: (Furcatoceratops elucidans) A fortuitous recent discovery that helped identify my specimen was a new undescribed species what they are calling a "Judithian Ceratopsian". A photo of that skull is attached as well as Scott Hartman rendition of the animal. Unlike other Ceratopsian it has a relatively small horns and is small in size. My skull element includes the horn and eye orbit. The ID most likely is the same but my horn points a bit sideways unlike the above specimen. Furcatoceratops elucidans
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These are a couple smaller vertebrae and a bone I found on the Judith River Formation, I was hoping to get an opinion on what dinosaur they would be from. Thanks.
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ID help: Judith River Formation Tyrannosaur tooth identification
Praefectus posted a topic in Fossil ID
Hello. I was wondering if anyone could help me identify this tyrannosaur tooth I recently added to my collection. It is said to be from the Judith River formation in North-Central Montana. Unfortunately, I don't have the county it came from. The tooth has the following measurements. Thanks for your help. CH = 40 mm CWB = 10 mm CBL = 16 mm MC = 18 denticles/5 mm DC = 14 denticles/5 mm DSDI = 1.29
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Hey everybody! I wanted to make a thread sharing with you some of the smaller fossils in my collection, many of which I've photographed using my digital microscope. Some of these I've found in the field at microsites or channel deposits, while others I've found at home searching through matrix. I hope you enjoy! Our journey begins in Wyoming's Lance formation: A Pectinodon tooth my dad found in 2017. A tooth that was identified by other forum members as potentially Avisaurus, also found in 2017. A tooth I initially called Paronychodon, although the small & worn denticles may suggest otherwise. Found in 2020. A tooth which was once the smallest in my collection at around 3 mm., potentially Acheroraptor but currently is indeterminate. Found in 2020. Probably my smallest crocodilian osteoderm in good shape, found in 2019. A tiny dermal denticle, potentially from Myledaphus. Found in 2020. The smallest mammal tooth in my collection, an itty bitty multituberculate I found at home working on conglomerate matrix in 2019. A nodosaur tooth (Denversaurus) found in 2020. A collection of small fish mouth plates (cf. Cyclurus) from 2020. A salamander premaxilla (cf. Scapherpeton) found in 2020. A Thescelosaurus premax tooth from 2020. A view of some of the Lance fm. anthill matrix I brought home to search, with a piece of fish mouth plate in the center
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I was looking through my biggest piece of matrix from Judith river (it’s filled with shells unlike the other ones) and I noticed this poking out. It was very easy to remove. This doesn’t look like the two other shed teeth I have is this one unworn with a root attached? And is it also a ceretopsian? .4 inches long.
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I’m working on another piece of Judith River matrix that I got at the Denver show this year. I think this could be considered one of the better pieces it’s one of the larger ones for sure. It’s shy of a half inch long somewhere between 0.3 and 0.4 inches, but there is more to expose at the base.
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I found this in the Judith River formation last weekend near the Milk River, I assumed it was just croc scute but it is thicker and different texture, maybe its turtle or a different kind of croc. @patrickhudson thinks its dinosaur skin but I doubted him.
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I just got another possible Judith River shed tooth out of a different piece of matrix. While in the matrix ceratopsian was suggested. I’m hoping it’s not a pebble this time. Just over a quarter inch in length
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I am fairly certain this is got to be Ceratopsian frill. It was found among about 1000lbs of ceratopsian bone but wasn't sure. It was found on the Judith River formation on the Milk River. Anyone know? I have about 10 pieces similar to this. @patrickhudson @Troodon
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Found in the Judith river formation along the milk river. They seem to be a few claws, but unsure about the dark one that’s super hollow as well as the first one that seems to be a bit more uniquely shaped than I’m used to finding. I thought croc claw at first based off what we were finding in the area - but who knows. All three are about an inch long. thanks for the help. Deciding if they’d be worth restoring or not. sorry for the slight mix and match on the photo order
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