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Showing results for tags 'montana'.
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Hi everyone! After I posted some claws earlier, Troodon directed me to a very helpful link on identifying HC dino claws and while I was there I noticed something really interesting. See, those claws also came with a claw from an herbivorous dinosaur which I just chalked up to Thescelosaurus until I saw pics on the thread of Leptoceratops claws. Before I make that leap, I'd like a second opinion though. The piece is from the Hell Creek of Powder River County, Montana. I included pics from the thread of Thescelosaurus and Leptoceratops side by side with mine to show my reasoning. Any feedback is greatly appreciated as always!
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Hi Everyone, I recently purchased this feeding worn theropod tooth that the seller had listed as unidentified, with it likely being a Tyrannosaur tooth. It is .42 inches long (straight line) and comes from Hell Creek. I was thinking it might be a Acheroraptor tooth, but its tough to tell due to the amount of feeding wear and enamel damage. I was wondering if anyone else could help me concretely identify it. Thanks!
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Hi everyone! I acquired some dinosaur claw partials and am trying to learn to tell them apart. There are a few different morphologies so not all of them are Anzu (I think). Any insight would be greatly appreciated! The length measurement given is from the tip to the top of the base in a straight line Upper left, first pic set: 24 mm Upper right, second pic set: 21.5 mm Lower left, third pic set: 29 mm lower middle, fourth pic set: 25 mm (probably Anzu) Lower right, fifth pic set: 26 mm (also probably Anzu)
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I'm looking for help in identifying some leaf fossils/impressions I found in the Fort Union formation in Montana. Most were found in S.E Montana. There are many different kinds. Can someone help me identify them? Can someone give me a good point of contact for someone? Here are several examples. Tia.
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- cenozoic
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Last summer I found this tooth on the Boulder River in Montana, any help identifying it would be greatly appreciated. Thanks for looking!
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Here is a small tooth collected from the Hell Creek formation, Garfield Montana, likely a juvenile. I think from its properties that it is a Nanotryannus. I would appreciate your thoughts.
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- garfield county
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Hi, I recently got this cretaceous mammal tooth from the Hell Creek formation, and I was wondering if you may help me find the scientific name of the species that it belonged to. I've done some research and learned that it was the premolar of a Multituberculate mammal. This order of mammals was diverse and there were many species. I think it might be one of the members of the Genus, Mesodma, Yet I could be wrong. I tried to narrow it down to the exact species, yet there are few examples to help me pinpoint to a certain Id. This tiny tooth is from Garfield County, Montana. it is from the late cretaceous period (~67 - 66 Ma). It measures approximately at 3/16" long by 3/16" wide (5 mm x 5 mm). It is thin and blade-like towards the top of the crown. The enamel has a grooved texture on the surface. The overall shape of crown resembles a saw blade. Hopefully I would be able to id. this specimen and to learn more about it. Feel free to ask me for better images.
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Hi everyone, I wanted to get some opinions on this piece I found in Montana's Hell Creek formation this past summer. My initial thoughts were that it was a ceratopsid skull fragment. It was a fossil I was planning on selling, but before I do I wanted to rule out the possibility that it was a piece of ankylosaur osteoderm as I have significantly less material from that clade of dinosaurs. The dimensions are about 8 cm by 7 cm.
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Hi everyone, About a week ago I posted pictures of a tiny carnivorous dinosaur tooth from Hell Creek thinking it was raptor and it wound up being Tyrannosaur. Since then I've been taking a closer look at my other tiny teeth and this one which I thought was Acheroraptor stuck out to me when I took a closer look at the serrations. It also occurred to me that there are serrations (although very worn that I for the life of me could not get a decent shot of but are present) on the anterior carina which you don't see on Acheroraptor teeth so now I'm leaning more towards a tiny Tyrannosaur, but I'm still learning so I was hoping for a second opinion. Thanks as always!
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Hi all. I know it's been a long time since I've posted anything on the forum, but now that I'm back from college I'm planning on being more active. Today I wanted to post this odd fossil I found this past summer at a Hell Creek formation microsite in eastern Montana. I've never seen anything quite like it before, but my guess is that it's some odd denticle from a cartilaginous fish of some variety OR alternatively it could just be an odd fish tooth (maybe pharyngeal?). It measures about 4 mm from base to tip and a little bit over 1 mm at its widest. Any input would be appreciated. -Noel
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Hi everyone, Recently acquired some vertebrae from Hell Creek, I think the first one (1.4 x 1.1 x 1 inches) is a small Edmontosaurus caudal and the second (1,375 x 1 x .8 inches) is a Thescelosaurus Caudal. I'm still learning though so I wanted to confirm the id. Any feedback is appreciated as always!
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I found this turtle in Hell Creek formation outside Glendive MT last summer, well below KT junction (image 2670). I can't find textbooks or images similar. 43 cm x21 cm (2677). Carapace relatively good markings (image 3127) though lots of cracks. What I can't find is a group of turtles having a carapace without the pygal/supracaudal scutes ( image 3126- i.e. it's indented, definitely not fractured. It is quite fragmented and I'd love to find an anatomy book to aid in gluing it back together right.
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- carapace i.d.
- montana
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Hi everyone! I've got one more tiny hell creek tooth that I need help on. I didn't even think there was any mystery to it until I took a really close look at it. I acquired it as part of a set of Paronychodon teeth which are pretty distinctive looking and at first glance I though that's what this was since it's a small theropod tooth with the prominent lines going up the side (I forget what they're called) and with really nice serrations and wait..... Paronychodon doesn't have serrations. At least I don't think it does. I looked around to see if there have been any documented serrated Paronychodon teeth and the only place I found that said it had serrations also claimed that Paronychodon is three feet long and ninety feet tall so I don't think I can rely on that site. My money is on Acheroraptor at the moment but I'm terrible at identifying Dromaeosaur material so I'd like a second opinion. Tooth is 1 cm long straight line measurement.
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Here in south-central Montana we have remnants of the seabed from the Western Interior Seaway. Many impressions of what I can only describe as an S-shaped, fossilized sandworm exist. Recently a spalled piece of sandstone revealed this fossil (see photo) and I am curious to know exactly what creatures existed in the Cretaceous era that could be correctly identified as the one that made these impressions. Thanks for any help! I retrieved the loose half, the concave portion (seen lying on the ground below the fossil), for interpretive, educational use and wonder if I should or need to apply any type of hardening agent to this very crumbly rock.
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Hello, I recently acquired a small box of fossils from someone who had passed away recently. Inside were many fossils including those pictured. The only indicator of where they are from is that the box says "MONTANA". I can tell there are dromeosaur teeth, hadrosaur teeth, ankylosaur teeth and such. I know the man I got them from would routinely dig in the hell creek formation but I just wanted to make sure there wasn't anything obvious that I'm missing that would indicate that these fossils were collected elsewhere. My guess is that they are from the hell creek formation however. Any feedback is appreciated!!
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Decided to attempt some DIY Dino displays today. Happy with how they turned out - as long as my three year old doesn’t get ahold of them. I’m going to try the claw mount with some natural wood, maybe beach wood, in the future and spend a bit more time on it - but the first try worked out somewhat. All personal Montana finds with my buddy and my 12 year old daughter. All teeth are 100% natural except the largest brown one which has some minor repair, and the claws which have tip repair. also - I get that the tarsal bone (?) doesn’t fit the claw, but I’m no purist - and not that smart, and for display purposes in my daughters room it looks cool enough. Maybe if @Troodon wants to donate a proper bone to fit the claw I’ll fix it
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Hi everyone! I've got another hell creek phalange I could use some help on. There's some damage on the front which exposes the inside showing it's hallow, so my first though was theropod, but I don't know for sure. dimensions are about 1.25 x .625 x .55 inches. Any feedback is greatly appreciated as always. Also Happy Thanksgiving!
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Hi everyone! I recently acquired some hell creek dino phalanges and could use some help identifying them further if possible. This one was advertised as theropod and I'm thinking it might be Tyrannosaur since it seems to robust to be any of the little guys like the raptors or whatever Richardoestesia and Paronychodon are but I wanted to make sure. measurements are about 1.5 x 1 x 1 inches. Any feedback is appreciated as always!
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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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I messaged seller a week ago for extra photos and haven't heard anything back, unfortunately, so this is all there is. Sold as a Tyrannosaur vertebrae and Optical Condyle bone. Found in Baker, Montana. That's literally all the info there is--not even measurements, and there's been zero response from the seller unfortunately. So, sorry about that. If anyone can suss anything out from the dodgy photos, that would be great.
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Hey everyone, Got the chance to explore the Hell Creek this summer and I've got a few questions on what I've found. The first is this tooth. I found it at a microsite in the Hell Creek Formation of Montana. It's about 1/2 inch long. I tried getting some up close shots of it, but if y'all need any better photos, just let me know. Thanks for you help in advance!
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Taxonomy according to Mickle et al., 2009. The University of Montana, UM Paleontology Center website (Browse Collections - College of Humanities and Sciences / UM Paleontology Center - University Of Montana (umt.edu)) lists "Yogoniscus gulo" as an old taxon on some specimens (but not on all specimens) of Beagiascus pulcherrimus. Obviously, confusion has occurred. Diagnosis from Mickle et al., p. 639: “A lower actinopterygian fish defined by the following combination of characters: elongate fusiform body, narrow in cross section; premaxillae narrowly sutured in midline; nasal notched anteriorly and posteriorly; posterodorsal process of antorbital forms base of posterior nasal notch; frontal with a sinuous sagittal suture; crescent-shaped dermosphenotic; large dermopterotic with a wide posterior plate, laterally spurred, anteromedial process situated within a notch in the frontal; three large suborbitals situated within curve of preoperculum, small fourth suborbital overlapping large suborbital, suborbital between posteroventral infraorbital and maxilla; four infraorbitals – narrow infraorbital ventral to orbit, crescent-shaped posteroventral infraorbital, an intervening element, and T-shaped posterodorsal infraorbital, tapered anterior end of posterodorsal infraorbital comes in contact with tapered posterior end of nasal; mosaic of several small bones in curve of posterodorsal infraorbital for spiracular bone; long maxillary plate; two rows of pointed, posteriorly inclined teeth down length of maxilla; prominent posteroventral process of maxilla; anteriorly inclined hatchet shaped preoperculum; one row of 5 or 6 anteopercular bones along anterior margin of operculum – ventral-most anteopercular bone wider and longer than the others; rectangular, anteriorly inclined operculum with transverse ganoine ridges; rhombic suboperculum with vertical ganoine ridges; total of 14 or 15 branchiostegal rays – five above mandibular corner, 9 or 10 at and below mandibular corner, first branchiostegal twice as high as second; anterior and posterior extrascapular rows sharing median extrascapular (anterior row – three lateral bones, posterior-single bone bearing supratemporal commissure); unsutured postspiracular; one row of rhombic postcleithral scales; narrow ventrolateral flank scales; f ank scales finely pectinated; fan-like pectoral fin; triangular pelvic fin, triangular dorsal and anal fins with posterior edges tapering off gradually; heterocercal caudal fin deeply forked, accessory flap on epicaudal lobe; all fins bear long, stout, overlapping fringing fulcra on leading edges; precaudal ridge scales continuous between the anal and caudal, and dorsal and caudal fins. Meristic, morphometric, and cranial measurements are presented in Tables 9 to 12.” Line drawing from Mickle et al., 2009, p. 642: ID by oilshale using Mickle et al., 2009. Reference: Mickle, K. E., Lund, R. and Grogan. E. D. (2009): Three new palaeoniscoid fishes from the Bear Gulch limestone (Serpukhovian, Mississippian) of Montana (USA) and the relationships of lower actinopterygians. Geodiversitas 31(3):623-668. DOI: 10.5252/g2009n3a6
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- beagiascus
- bear gulch
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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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The tooth below is listed for sale as Cretodus crassidens from the Carlisle Shale in Montana. While there might be some very slight wrinkles on the labial side of this tooth, this doesn't look like the typical lingual or labial enamel folds that I would expect from Cretodus, so I'm wondering if it might be from Cretalamna or something else instead. @siteseer, @ThePhysicist, @Anomotodon, any thoughts on this one? The slant length of the tooth is 22 mm. Photos are from the seller, slightly cleaned up by me.
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