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Showing results for tags 'montana'.
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Any information on the following finds would be greatly appreciated! Thanks!
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Hello, Last post. I found these all within a few feet in the Hellcreek formation. I'm not sure if they're at all related or not. The bone seems to be shaped like a wing. Another small piece of what appears to be scales. Two small vertebrate and a what appears to be a tooth. Thanks Again.
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Hello, I have a what I believe are a few different vertebrate that were found in the Hell Creek Formation in Montana. They were all found in different locations within a few mile radius. From left to right you can refer to them as fossil a, b, and c. Any help on the ID would be appreciated. Sorry about the multiple ID questions but I'm excited to find out what I have found. Thanks in advance. Nic
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Hello All, I found this fossil in the Hell Creek formation in Montana. At first I thought it was a turtle but after looking closer I noticed it appeared to have a spine with with a rib cage or some sort of appendeges on each side. I have included a few pictures. Hope I can get an ID on this. Thanks in Advance. Nic
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Hello Again, Sorry about the barrage of posts but I have a few more fossils I would like to get ID. Thanks again. I really appreciate the wealth of knowledge on the site. All found in MT on the Hell Creek formation. Nic
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Does anyone know if there is any overlap of BLM land on parts of the Hell Creek Formation in either South Dakota or Montana? Or are there other Mesozoic formations that have BLM overlap in South Dakota, Montana, or Wyoming for that matter? Judith River? Two Medicine? Morrison? Have an upcoming trip through all those states, might be nice to have the ability to collect some non vertebrate fossils along the way.
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Nanotyrannus legitimacy
thelivingdead531 posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hey everyone! Today is my birthday and I’m looking to treat myself to a Nanotyrannus lancensis tooth! I’m looking at this one, but these are the only two photos that the seller has listed. It is listed as being 1 1/16 in long and collected from the Hell Creek Formation in Powder River Co., Montana. Do I need to ask for addition photos of the base and tip, or is this enough to satisfy? Thanks in advance!
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So I was rooting again around in the garage and found a couple plates I had bought a few years back and never tracked down an ID for. Tentative provenance was Paleocene from Montana. I found this article recently and was wondering if it could be one of the genera/sp described or one of the other genera mentioned in the discussion section. Trapa, Trapago, Fortuna, Quereuxia. STOCKEY, R. A., AND G. W. ROTHWELL. 1997. The aquatic angiosperm Trapago angulata from the Upper Cretaceous (Maastrichtian) St. Mary River Formation of southern Alberta. Int. J. Pl. Sci. 158: 83-94. Can be found here: https://www.researchgate.net/publication/240563741_The_Aquatic_Angiosperm_Trapago_angulata_from_the_Upper_Cretaceous_Maastrichtian_St_Mary_River_Formation_of_Southern_Alberta I also was looking at the USGS pub 375 https://pubs.usgs.gov/pp/0375/report.pdf My plates have a number of leaflets and fragments with very little venation visible and in a pale gray and a light pink color in a very fine matrix.....Many of the leaflets have small teeth... Plates: Crenulations Leaflets and partial venation Anyone have any expertise in these? Looks like the authors were indicating more study is needed in this area of aquatic plants--that was 20 years ago. Any help is appreciated. Thanks! Regards, Chris
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Real Triceratops frill?
olorotitan posted a topic in Is It Real? How to Recognize Fossil Fabrications
Is this a genuine Triceratops frill fragment? It is from Hell Creek, MT. The seller has other frill pieces that look similar, along with other dino teeth. From what I've read in other posts, it sounds like presence of blood grooves confirm identity as a triceratops frill. I don't see overt grooves on the planar surface but I see evidence of a thin spongy bone layer in the cross section suggesting to me it is still bone of some sort. Thanks for any assistance.
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I just found this little tooth for sale. It is from the Hell Creek Formation in Montana and is 5/16" long. Assuming that includes the fake root, by measuring on my screen it appears to actually be 3/16" long along the distal edge. Serrations then are about 9 per 1/16" distal and 13.5 per 1/16" mesial and look more rod-like than chisel-like to me. There are no ridges on the sides, so it's not Acheroraptor. Could it be Dakotaraptor? This species has been #1 on my list for a while and I would love to have this in my collection if it is Dakotaraptor.
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From the album: Judith River fm. Fossil Finds
Here's the second piece of crocodilian osteoderm I found in Montana in the summer of 2017. It may also be from Leidyosuchus. -
From the album: Judith River fm. Fossil Finds
This osteoderm may belong to Leidyosuchus. -
From the album: Judith River fm. Fossil Finds
Here we have the tooth tip from a Tyrannosaurid I found at a microsite in Northern MT. Teeth, especially fragmentary ones like these are nearly impossible to identify accurately as the differences between those of Gorgosaurus and Daspletosaurus (the two species of tyrannosaur from the JRF) are difficult to distinguish.-
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Hello everyone, New member from Minnesota, post my intro in the member introduction forum. The first is my Minnesota fossils. From the Cannon Falls and Rochester area from Ordivician period. The first is a Cephalopod from Rochester. One other from Minneapolis area from Ordivician. Apologies but most of it is unprepped at the moment Will have to post images in multiple posts. The Second will be my collection from Iowa. I have stuff from Montana that I will post in a different thread.
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Hi, Brand new to the site. Any help would be appreciated. I am a 6th grade Science teacher in suburban St. Louis. About 8 years ago I attended a dig with the St. Louis Science center to the Hell Creek formation outside of Jordan, Montana. I brought several fossils home to use in my classroom. I would love to get more information about them. My students absolutely love hearing about them and the more details the better! The first set of images was identified as being part of Triceratops frill. I can see the blood grooves in the bone. There also appears to be fossilized blood vessels on the surface of the bone. One starts at one side of the frill, travels through the frill and comes out the other side. Can blood vessels fossilize? Am I interpreting that correctly? Also on the "back" side of the fossil there appears to be a lot of dark almost granular material. At first I thought it was something organic (lichens) from the site where I found it. It is definitely fossilized and not something I can scrape off. Any ideas what that is? The second fossil is still unidentified. I was not able to get information about it on our trip from the paleontologist. Any information would be awesome! Thank you!
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Not to long ago I got a gorgosaur tooth as shown on my other post strange juvenile gorgosaurus tooth when I was studying it I did some research to make sure it’s a gorgosaur tooth I found out there are ways to indentify tyrannosaur teeth from Canada and Montana the main way is the cross section if the cross section is fat more like a circle it’s a despletosaurus if it’s more skinnier more oval shaped it’s a gorgosaur also another way is the size if it’s more then 3 inches it’s despletosaurus if it’s 3 inches or less it’s probably a gorgosaur or a small despletosaurus tooth the top tooth is a despletosaurus then the cross sections the first cross section is a despletosaurus see it looks more like a circle then the gorgosaur more of a oval then the gorgosaur tooth
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At 1400 hours on 10/13/2018, I collected a number of specimens from the Tullock Member of the Fort Union Formation. The location is about a mile north of Miles City. The rock is fine silty clay with leaves and twigs mixed into the sediment. Above the strata is a layer of cattails forming a matted layer. Source for leaf identification came from Reproductive and Vegetative Organs of Browniea gen. n. (Nyssaceae) from the Paleocene of North America Article in International Journal of Plant Sciences, February 2007.
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Three (partially incomplete) specimens of Tyrannophontes acanthocercus on one plate. The largest specimen is 5cm stretched out. Lit.: R. A. Jenner, C. H. J. Hof, and F. R. Schram. 1998. Palaeo- and archaeostomatopods (Hoplocarida, Crustacea) from the Bear Gulch Limestone, Mississippian (Namurian), of Central Montana. Contributions to Zoology 67(3):155-185
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This is a plate of Productus brachiopods with spines collected from marine sedimentary brown-red clay shale, which sits on a bed of breccia limestone. Location is slope above rest-stop on east side of Highway 89 N about two miles north of Riceville Rd. in central Montana. Was collected on Jan 21,2019. Prep work was done by collector David C. Powers.
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Taxonomy from Lund 2000. Diagnosis for the genus Discoserra from Lund 2000, p. 180: "Teeth of the premaxilla, maxilla and dentary long, thin, and styliform. Posterior end of maxilla does not extend back to level of anterior margin of orbit. Parietals excluded from contact in dorsal midline by postrostral 2, which contacts supraoccipital. No transverse supratemporal commissure in supraoccipital. Two rows of paired bones over orbit. One to three interopercular bones; two to three small postspiraculars and a presupracleithrum. Branchiostegals very variable in size, number and shape. Dorsal ridge scales with small, forwardly facing hooks; two to three small anal fin hooks. Origin of anterior edge of dorsal fin set well below dorsal margin of ridge scales. All fins with well spaced rays; pelvic fin reduced, caudal fin rounded." Line drawing from Lund 2000, p. 183: Identified by oilshale using Lund 2000. References: R. Lund (2000) The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA). Geodiversitas 22(2):171-206 DiscoserraKopf.JPG.575328005dfadc7703275f617dc52a46.jfif
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Is this a real T-rex metatarsal
Oxalaia posted a topic in Is It Real? How to Recognize Fossil Fabrications
It is 47 cm in length and has a little restoration. It is from the Hell Creek formation in Montana.
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From the album: Vertebrates
Caridosuctor populosum Lund & Lund, 1984 Heath Shale Formation Early Carboniferous Serpukhovian Bear Gulch Montana USA -
Looking for a little help identifying this Hell Creek vertebra I purchased a few years ago. I bought it off an individual with lots of experience hunting in Hell Creek, but unfortunately he had no idea what it might be from. Any help would be much appreciated!
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I spent a few hours fossil hunting on two separate trips on Forest Service land in Montana. The first trip was this past spring looking for Late Oligocene - Early Micoene flora about 90 minutes outside of Missoula. The second trip was during at stint over the summer at a fire lookout tower in the Flathead where I spent just a few hours one morning looking at Devonian and Mississippian marine layers. Besides the obvious, the trips were quite different. The spring trip was a drive to a road cut on a Forest Service road while the summer trip was a seven mile hike in. Additionally the medium is completely different; flakey, brittle shale compared with big, blocky limestone. You can keep non-vertebrate fossils as long as you don't plan to sell them. Prior to heading to an area, I look through publicly available research, lectures, field trips, etc. to find possible localities. I only found limited information on possible identification of the Late Oligocene - Early Micoene flora and most of if was unpublished graduate work from a nearby site with only some overlap on species. Please feel free to correct any id's or throw new ones out! I believe these are cercocarpus, a mahogany.
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Hi there! My name is Jessie and I’ve grown up rock hounding all over the Pacific Northwest and now Montana. I have a love of fossils and rocks! Excited to learn more of what I’ve found from all of you
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