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Happy Friday everyone. During a recent visit to Montana I stumbled upon what I believe to be a partial tooth. Based on my fast and loose google search I’m guessing Bison as I think I am seeing a stylid? This was discovered in the shallows of a small body of water near the Madison river in Montana. Can anyone confirm or set me straight?
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A new paper that describes Furcatoceratops elucidans a new centrosaurine ceratopsid from the Judith River Formation of Montana Unfortunately it's paywalled https://www.sciencedirect.com/science/article/abs/pii/S019566712300188X Anthony Maltese posted this This was the Ava skeleton Blog by A. Maltese http://rmdrc.blogspot.com/2015/02/avaceratops-layout.html Reposted by D. Evans
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This is another mystery item from the collection I acquired this Spring that I need more info on. The Baculite segment is labeled "gravel pit, Wasta, SD". The scaphites had no label so it is not clear if they belong with the bac or not, and the lady who gave them to me could not remember. There was the possibility (sounded like a complete guess) that they could from the same place as the baculite. Is that possible? The preservation does not seem to match but of course we've all seen different preservation styles come from the same location before. Does anyone know of that location, or otherwise have a suggestion of a) the ID for either the scaphites or the baculite segment, b) the location of origin for the scaphs, or c) the formation for either? Last pic under shadow shows the pearly color of the scaphs better. (1st pic under indoor lighting)
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- cretaceous
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Had a great day fossil hunting in the montana badlands, hell creek formation. Found and partially excavated this piece, we're not sure we're going to be able to get back out there to finish the excavation. Our first thought is it's the top view of a triceratops skull with the two brow horns angled down. The right horn in the picture comes to a natural termination, the left looks like the tip is broken off. It looks to be all one contiguous bone. Any collective wisdom what it might be? Apologies for the poor lighting and lack of measuring stick, we were limited out in the field.
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I bought a box of fossils at the recent Edison NJ show. Most of them were correctly IDd. Some of them only had tags with the location found, and no species ID listed. I’m hoping this group can help me ID the species of some of these - the first one looks like some kind of a gastropod. Can anybody get more specific? Thanks
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- bearpaw shale
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Coming up pretty soon, I'll find myself traveling through Glendive and would absolutely love to get my hands dirty looking for some good fossils. Nothing too crazy: ammos, baculites, belemnites and the like (although I certainly wouldn't turn down legal dino bits, if anyone is really willing to give a spot like that up ). I have a secret spot closer to Great Falls, lots of ammos and belemnites, that I'm willing to trade for some insider knowledge out near Glendive! Thanks all, happy hunting!
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If anyone could enlighten me on what I have found that would be greatly appreciated found a river in Brainard Montana. I think it's from a carnivor but unsure what type. Thanks in advance
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Hello, I have found these 4 specimens during last 3 years, so not as plentiful as a different fossilized coral in the area. Gem and Mineral club members are stumped, and have suggested different possibilities such as fossilized palm wood or sagenite needle clusters. I think they look like coral. From the side, all have long thin tube/needles, which are in layers in some. From the top, these needles terminate in an overall bumpy top, which is made up of tightly packed honeycomb like filled openings. Fossil #1: first 5 photos, gold and white Fossil #2: blue grey, photos 6 - 9 Fossil 3: reddish, photos 10 - 14 Fossil 4: gold, photos 15-18 I’d greatly appreciate any feedback from you all. Thank you in advance for your help, Montana Rocker
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Hey everyone, I have a vertebra I just finished preparing that I was looking for an ID. It was found in the Hell creek formation near Ekalaka Montana. It is a little crushed and not complete unfortunately but the centrum looks a little geometric to me so I have a tentative ID of a dorsal hadrosaur vertabra. It is 10.5cm long by 15.5cm tall by 6.5cm wide. I would appreciate confirmation or to figure out if it's something else as always thanks for your time and expertise.
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Hello everyone, first post from me here. I have a 1.8 cm (roughly 0.71" for those who don't use the metric system) Hell Creek tyrannosaurid tooth that is in need of identification. Currently, the tooth is labeled as N. lancensis, though a while ago, the seller labeled the tooth as a juvie T. rex, and now I'm confused about whether I should label it as a Nano, a Rex or a Tyrannosauridae indet. (though since it's from HC it should be either of the first two) Notes: - Total serration count: 55 on both sides. - Pic 1, which consists of shots of the same tooth taken from all angles, was sent to me by the seller (the sketch in red was also his), which shows how the tooth is laterally compressed - quite interesting and not very T. rex-like, considering that even juvenile T. rex teeth are quite bulky. Moreover, the mesial carinae also ends quite high. Because of this, I had some doubts about his ID and would like a second opinion. TIA!
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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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I've got this piece of Oligocene amber from Montana which has a very odd hole running straight through it. I at first though that this could be from where the resin seeped out around a twig of its tree and the twig eventually rotted away, leaving this hole. Do you think that could be the cause? The hole was filled with dirt before I cleaned it.
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I've got a few pieces of amber myself, supposedly from Montana and specifically the Hell Creek Formation. Would you say that's accurate?
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Big News, a new Pachycephalosaurid from the Hell Creek Formation Platytholus clemensi. It's intermediate in size between the small-bodied Sphaerotholus and the largest Pachycephalosaurus Paywalled https://www.tandfonline.com/doi/full/10.1080/02724634.2023.2190369#.ZDm0HAS1AH0.twitter
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Pachycephalosaurus skull fragment, also known as Pachy spike cluster, from Hell Creek Formation of Carter County, Montana. I was surprised by its weight and size when I received it. Slightly bigger than 2.5 inches diameter.
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From the album: Invertebrates
Sairocaris centurion Schram & Horner, 1978 Carboniferous Serpukhovian Heath Shale Formation Bear Gulch, Fergus County Montana USA -
Recently acquired this beautiful T. rex tooth, just over 5cm / 2” length. Such teeth are typically dark brown / mahogany coloured but this specimen appears to have escaped the usual staining. The location of find (Hell Creek Fmn, nr. Mosby, Garfield Co., Montana, USA), basal rectangular cross section and thicker enamel supports identification that this is a Tyrannosaurus rex maxillary tooth. The fact that the whitish / pale colouration is consistent throughout, absence of pitting / “dried out” appearance / absence of splintering would seem to preclude sun-bleaching.
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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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Hi all! This is a piece of fossilized bone from the Cloverly Formation of Montana. I thought that the structure of the trabecular bone looked very similar to that of theropod bones but needed a second, third, fourth, or how ever many more opinions. Thanks! (Theropod bone cross section for reference)
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This fossil was recently handed down to a friend of mine. It was found on a family member's ranch near Cut Bank Montana in the 1950's. He remembers it being used as a door stop when he was a kid! What do we have here?
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Found in the JRF hill county - I always figured they were unguals of some kind and just never gave it much thought. But I really don’t know what they are. It’s been suggested maybe a part of a vertebral process? Any help would be awesome.
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Hi all, These two teeth came from the same seller and were put up for sale at the same time. They're so odd, that I thought it might be helpful to post them together since, if they come from the same animal, perhaps they provide more information as a pair than either would alone. Ricardo premax? Pterosaur? Acheroraptor? From the Hell Creek formation in Garfield, Montana CH: About 10mm (both) CBL: Tricky enough that I didn't measure, but can try if needed CBW: Tricky enough that I didn't measure, but can try if needed Mesial Serration Density: about 15/mm Distal Serration Density: about 15/mm (one of them is worn to the point of no serrations on one side, but the other side is about 15/mm, so I assume the missing side would have had serrations and been the same). Strong fluting on one or both sides. Thank you!! TOOTH 1 Possibly smooth side: Ridges: TOOTH 2
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Curious about iron and pyrite in the Hell Creek Formation
Maniraptora posted a topic in Questions & Answers
Hey all! When I went on a collecting trip in the Hell Creek Formation in Montana, there were many iron concretions, and I've noticed that some specimens from there appear to be iron-stained. This makes me wonder if pyrite could be among the minerals involved in fossil preservation there. Are some of the bones found in the Hell Creek pyritized, and how could those be distinguished from others preserved differently? If so, do those Hell Creek specimens ever develop "pyrite disease," and what would be the warning signs to look out for? Thanks so much for sharing your knowledge! -
Triceratops Horn
FightingUrukHaii posted a topic in Is It Real? How to Recognize Fossil Fabrications
Purchased this piece in 2018, but now have concerns about its authenticity. Main area of concern is the base of the horn where the outer layer has chipped away to reveal a white-ish interior that looks a bit like cement/plaster. There is a slight glint to the white material. Any help is much appreciated + can upload more photos if necessary!
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Hello, Can someone help me identify these two Didymoceras pieces to the species-level? They are from Montana and both were repaired from a few fragments, though neither is said to be composite. From what I can tell they are in the 10-15cm range in terms of size. 1. This one seems to be part of the inner whorl, and based on how close the coil is I think D. cheyennense might be excluded, which leaves either D. stevensoni or D. nebrascense? Also in the 3rd photo there is a strange mismatch between the fragments...a poor fit or composite perhaps? 2. This looks like a section of the inner whorl lower closer to the living chamber. Any help would be appreciated, thanks!
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