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Found 16 results

  1. Dimensions: To begin, the specimen is 36cm long, 19cm wide at the base (widest point), and about 7cm thick at the thickest point (base). Background: I am a student doing research in the Museum of Biodiversity at Notre Dame. I have begun a project to try to identify many of the fossils in the collection. Many years ago, there was a faculty member who was a paleontologist who collected specimens for many years, most of which now reside in the museum. The issue is that he passed away suddenly and left many fossils without much or any information attached. From what I have been able to gather, most of his fossils have come from the Hell Creek Formation in Montana (66-65 mya, late Cretaceous), due to all of his fossils in field jackets coming from this location (like this one, that I removed from the jacket). All other jackets (that are currently opened) in the museum contain remnants of a triceratops. There are many more that have not been opened from the field, which I believe were collected in the mid 1990s (unimportant). Because of the ambiguous nature of the fossil and my inexperience with fossils (I have just started exploring the field). I am the only person in the museum who has touched the fossils in at least 5-7 years, as there is no full-time geologist or paleontologist on faculty at ND, and the collection is solely taken care of by students who have interests. Identification?: When I first started working on the fossil, it was labelled with an identification as "Fish?". I have absolutely no idea who tentatively identified it as such, and in looking at it, I have no idea what led them to the conclusion. I, personally, do not see anything fish-like about it, sans the vague shape resemblance. Because of this, and my suspicions about where it was found and what other fossils are found at Hell Creek, I thought that it was unlikely a fish. From the concentration of ceratopsidae that are found in the formation and the amount that we have in the museum, I started to explore the possibilities of it being a part of one. Because the museum also has other parts of the same triceratops skull such as two horns, the beak, and one small skull fragment. I first thought that it may be a frill, due to the lines that I thought might be blood lines, which are found on most frill fragments, but the patterns appeared to be different (see photo 2). I then looked into other parts of the skull that might fit this fossil fragment. Following this, and based on the ridge that runs along what I assume to be the back of the specimen, I theorized that the it may be a piece of the squamosal bone morphology of the skull of a ceratopsian. Also, because there are parts of an ankylosauridae in the museum, I thought that it may be an armor fragment. Please know that these preliminary identifications are based on my limited knowledge of the morphology of late Cretaceous animals, and the lack of information I have on this specific fossil. Any help will be appreciated, and I will be looking closely to respond any questions on the subject. Lastly: As I am beginning in the subject of paleontology, where do you suggest that I can get my information? Are there any preferred resources, textbooks, or databases where I can increase my knowledge? Thank you for your help, and I look forward to learning more and maybe eventually contributing to the Fossil Forum when I learn more in the future. I have been using the one textbook in the museum dealing with fossils of these sort, where I read about the frills and skull morphology of ceratopsidae: Romer, Alfred S. (1966). Vertebrate Paleontology. The University of Chicago Press.
  2. Mjq8

    Triceratops frill?

    From hell creek fm Looks like frill to me? Bottom half looks broken or weathered?
  3. FF7_Yuffie

    Triceratops frill

    Hi, what are the thoughts on this? It looks like other frill sections I see online. But I would like another,m more knowledgeable opinion in case it is something else. Lance Formation. Lusk, Niobrara County, Wyoming, 32 x 20 x 3 cm. thanks very much
  4. Ericlin

    Ceratopsian frill or horn

    Hello, I have this fossil, and I was wondering whether it is a ceratopsian frill or horn, it looks like a frill but seems to be circular. It’s from the Lance formation and measures about 2 inch in length. As always thanks!
  5. Hello guys, I recently bought a triceratops ceratopsian frill fragment. The seller said it's a squamosal piece from Hell Creek Formation, Garfield County, Montana, USA. The size is 15x10x4,5cm I read several threads about frills to check authenticity and I see important characteristics on this piece. The blood vessels and blood grooves (a bit smaller than on other frill fragments I saw) are visible. Also the thickness is good. So in my view it looks genuine. What do you think about it? Thanks and have a nice weekend. Max
  6. I've got another Triceratops frill piece coming my way soon. Just couldn't resist it, never seen one with so much detail and structure and so many blood grooves. Just love it. I was wondering considering the amount of blood grooves and the shape of it whether it could possibly come from the bottom part of the frill, close to the skull?
  7. This piece of Triceratops frill is on its way to me and I was wondering about the darker residue you can see in the blood grooves. Is this just sand/sediment/matrix or could it be petrified remains of the blood vessels/veins? I'm just wondering if that is even possible.
  8. Dino Dad 81

    Baby Triceratops Frill?

    Hi, We found this roughly 1" x 1" x 0.2" piece in a box of rock and dirt I ordered from the Lance formation in Weston co, Wyoming. Could this be a frill section from a baby Triceratops? Such a beautiful little thing, whatever it is.
  9. TheRocksWillShoutHisGlory

    Triceratops material

    Years ago I purchased a Triceratops brow horn that I was told collapsed when the jacket was flipped. There is some material that didn't look the same and I was wondering if it was material from another part of the animal.
  10. hndmarshall

    Just Weird...What is this???

    Ok found this Odd thing at first thought it might be petrified wood but I tried looking at it through a microscopic camera and could not find any of the basic fossil wood cell structure that I normally find on petrified wood. There are places on it that look mesh like? ....well I took a close up of it ... if it were some type of bone the inside would be darker right?....just not sure with this one. Found in a gravel load from the bed of the Brazos River near the West Houston Texas area.
  11. Hello let me start of by say you all are awesome! Amateurs like myself have got a lot more confidence because of the help you give us. It was great day when I discovered this site I had bought these a ways back and I was going thru my collection and it would be great to get an opinion if I these are what they were described as. The "raptor claw" was the first ever fossil I bought! (Fingers crossed haha) The COA said it was from the Taquiz, kasar-es-souk, region in Morocco. I believe the seller told be the red lines we blood grooves? It was probably 10 years ago so I dont recall much else about the ad. The other two were bought from the same seller, who did not have much reviews so I took a chance I guess. He described them as a "tricertops frill spike" and an "ankylosaurus armor scute" all i have regarding these ones is that is was found on private land in Wyoming in Lance creek formation... Any input would be greatly appreciated! I tried to follow the posting etiquette sorry If I missed something. Thank you!
  12. patrickhudson

    Ceratopsian frill?

    I posted this a while ago, but I’ve cleaned it up and taken a different angle of the agatized inside. Montana milk river Judith formation. It seems to have the vessel grooves on one side, but is obviously very worn. Agatized heavily only the inside but even visible from the outside. the agatized portion looks super similar to another bone found in the area (fourth pic). I don’t know how the agate process works, but the one the fourth picture that sure seems like a bone has the same agate characteristics as the “frill” -or... maybe it’s a rock again- fourth picture is a different “bone” just to show the agatization
  13. Hello everyone, I’m looking at a partial triceratops frill with tooth in original matrix. I only have very little experience with teeth and vertebrae. Would love to know what everyone’s thoughts are on it and if this is authentic or not? Wyoming, montana Hell Creek formation.
  14. 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.
  15. Still_human

    Triceratops frill fragment

    From the album: Dinosaurs & flying reptiles

    Fragment of a triceratops frill. Blood vessel channels and holes easily visible. Sadly this is an early fossil of mine, and until fairly recently I did not record any information, I just kept if it was sent along with the fossil.
  16. moriniboy

    Triceratops frill

    From the album: Nigel's album

    Supposed to have predation marks on the rear of the frill?
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