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  1. FossilFancy

    White River Badlands

    Hello all! My new year's resolution includes finally working up the gumption to post here and not just continue to scroll and read with awe! In late 2022, my partner and I were with a small, lovely group in Nebraska, scouring the White River Badlands. We found three partial oreodont upper skulls, a good amount of teeth, jaw fragments and assorted bones. We also found what I believe is an oreodont endocast, and a tooth from a cat (perhaps smilodon related?). An incredible prepper located in South Dakota worked on these oreodont partials and far exceeded our expectations. Thanks everyone for sharing all of your incredible work around this forum and for giving a novice like me a place to share as well! Partial One (shown in inches) Partial Two Showing what I nearly stepped over on the ground, as it appeared in situ. Here are those same teeth I saw just sticking out through the ground, now cleaned up. Partial Three Endocast (apologies, no ruler in sight) Cat Tooth
  2. It is from a collector I admire but have no experience with purchasing so I need some help. Thank you!
  3. Hi, everyone. Just thought I would share with everyone this thing I just made to display my oreodont skull nicer. I had been thinking of ways that I could do it, and decided this would work the best for me. To make the insert, I had to put saran wrap around both halves of the skull. Then, using apoxie sculpt, I sculpted the insert to the the shape of the skull. This took a lot of patience, and a lot of time... I was worried I wouldn't be able to get it done before it dried. The reason for the weird shape in the matrix of the jaw is to help keep the insert in place. I am not super happy with the green color, but it still looks pretty good, at least to me. I am also not sure happy with the placement... Hope you enjoy! Cheers and Shalom, -Micah
  4. Fullux

    Oreodont?

    I was told by one of my professors that this is a skull from a Miocene cave bear from Nebraska, but it looks exactly like a Merycoidodon skull to me.
  5. Othniel C. Marsh

    Numerous Fossils requiring Identification

    Of late I have been organising my fossil collection, and in doing so I have realised quite how many I have which are not sufficiently identified, so I came to the fossil forum to make amends. Apologies for the irregular lighting and unfocused areas on some photos- I have a less than perfect phone camera. These two teeth are among the few for which I have any kind of trustworthy information- the left tooth is supposed to be a Mosasaurus beaugei, and the right one Eremiasaurus heterodontus- but I got them mixed up some time ago and can't remember which is which (a foolish blunder, I know). This is a fossil fish which has undergone some major reconstruction. Only the caudal fin, caudal vertebra and some of the cranium is intact. I possess no information regarding the whereabouts of this specimens discovery. I think its a Knightia, but I can't say for sure. This tooth is from a shark. The information sheet that came with it has been written in the most ambiguous way possible, but alludes to the fact that it could be from the Miocene and/or the USA- but as I say this not definitive. This tooth is from an animal almost certainly from the Merycoidodontoidea superfamily, described as "hog-like" on the accompanying information sheet. It is stated to have been excavated in South Dakota, USA, and is of the Oligocene strata. My thanks in advance for any proposed IDs, Othniel
  6. Tigereagle12345

    My First Oreodont Prep

    Recently for Christmas, I received the marvelous gift of a bunch on different unprepared fossils from an unknown location in Nebraska (Purchased of the auction site). The first piece I started was a smallish jaw from an oreodont that I think turned out ok. I still plan to clean up the teeth a bit, but I'm not sure what to do next, as this is the first time I've prepared anything other than Green River fish. I'm considering removing it from the matrix entirely, but I'm concerned about the stability of the fossil, as the matrix is quite crumbly and the back has been consolidated by whoever found it, along with aesthetics. Any advice as to what to do next would be appreciated (Or if anyone knows what it is more than an Oreodont)! Thanks! Dimensions of the jaw are 14cm by 6cm, or about 2.3in by 5.5in. Unprepared After a few hours of using hand tools and my Dremel Current state: Front Back
  7. Tigereagle12345

    Fossilized Lower Jaw from Nebraska

    Hi, Recently I received several unprepared fossils from Nebraska, although the exact location is unknown. One of these fossils I have been preparing is a lower jaws from an unknown animal and I would like to know what it is, and if possible an idea of the time period and/or formation. Any help would be appreciated. I currently think that is probably a lower right jaw from the oreodont Merycoidodont. The dimensions of the jaw are 6cm by 14cm, and I am happy to post more photos if necessary. Thanks!
  8. Today I drove out about 50 miles to attend an auction that is held a few times a year. This auction usually has Native American artifacts, Chinese artifacts, old fishing equipment, fossils and other odds and ends. The auction starts at 10:30 am and runs several hours. Today I left at 2:30 pm and there was still about 150 lots to auction out of the original 450 or so lots that the day began with. Today there may have been about 50 people in attendance and by the time I left, there were maybe 20 people left. There is no charge to enter and no additional fee is charged to you if you happen to win a bid. In addition, they provide a ton of donuts for breakfast and make sandwiches for lunch, all of the food is provided free of charge. They only thing that you are charged is $1.00 if you want a pop or water. I see many people that come and never bid, but do eat the food. Lol As with all auctions, you have to keep an eye on what is be auctioned at the time and you have to make sure that you don’t get caught up in the moment and bid more than you were thinking about paying. Here are some of the fossils that were up for auction. Most of these came from an older collector that had passed away and his niece was getting rid of some of the stuff. It was a Potpourri of things that included dinosaur pieces ( no teeth), Oligocene fossils, tracks, casts and other stuff. The main problem with these collections is that there is no information on the fossil or the location that they came from. A “lot” consists of what ever is in the flat. There were 3 Riker mounts of Mazon Creek fossils, none of which I bid on. The cool thing about this next Riker mount is that it contained a fossil that was collected and mounted by my fossil mentor Walter. Megalodon teeth are always sold separately, these 2 below were not very good at all and I do not believe that they hit a minimum that some other seller had set for them. This happens quite often on certain pieces and they will end up at the auction again. Some people think that there fossils are worth more than they are. They need to understand that it is only worth what someone is willing to pay for it. When some pieces do have ID’s, they are incorrect, such as these poorly preserved prints that are in Permian Coconino sandstone and are not dinosaur. Dino eggs that they said are real, but I did not look at them or bid. If they were real, the winner got a great deal. Dino stuff and some broken fish plates. A Dino centrum, there were a few. I was bidding on this next piece, but backed away after I saw that a guy who I had been talking to was also bidding, he did the same to me later. This next piece was a nice partial Rhino skull from the Oligocene (USA), location unknown. Some misc Dino bones and other things. This lot contained some poorly preserved Oligocene rhino jaws, a partial squirrel skull, fossil dung beetle balls and fossil locust / insect cocoons, most likely from Wyoming. As mentioned above-?dung beetle ball and insect cocoons. Misc stuff- Green River fish Santana formation fish Dino stuff and fossil Dino casts- I won this lot. This was something that I really did not need, but after sitting for a while, it feels good to bid. An Oreodont skull- I won this piece also. Here are the things that I picked up- A really decent Merycoidon gracilis Oreodont skull. I will prep it up a little more and I got it for a song. Believe it or not, this fake trilobite cast went for almost double of what I paid for the above skull and more than I paid for the Dino stuff below. And the above cast went for more than I paid for the below “lot” Dinosaur pieces that I won. Thanks to Frank @Troodon for helping with some ids, even though I had limited information on the pieces. Centrum from most likely a herbivore. Part of a Dino vertebra. This lot is continued on the next post.
  9. fossilhunter21

    Oreodont skull #2

    From the album: Fossilhunter21's collection

    Species: Merycoidodon sp. Location: Crawford, NE Date of discovery: 8/12/22
  10. fossilhunter21

    Oreodont skull #2

    From the album: Fossilhunter21's collection

    Species: Merycoidodon sp. Location: Crawford, NE Date of discovery: 8/12/22
  11. fossilhunter21

    Oreodont skull #2

    From the album: Fossilhunter21's collection

    Species: Merycoidodon sp. Location: Crawford, NE Date of discovery: 8/12/22
  12. Good evening to my fellow fossil lovers! This report has been on hold for a while, hovering near the top of my paleo-to do list. But to be honest, I haven't been on the forum as much these last few months and I've just sort of kicked the can down the road, pushing it off. Well here we are in August 2022 and I'm a whole year and some change removed from this excursion, but I say better late than never. With that out of the way lets jump into this adventure! I hope you're ready for... The Roadtrip Through Time: Colorado Part I: Pierre Shale In the winter of 2021 I had the beginning of an idea... Something a bit ambitious, but within the realm of possibility. I wanted to organize a road trip which would bookend my already scheduled excursion with PaleoProspectors to hunt for dinosaurs in Montana during the last week of July. I present this idea to Quincy @Opabinia Blues, a friend I had made on my trip to Wyoming in the summer of 2020 and a native of Colorado, who would also be hunting the same week in the Hell Creek. My idea was to fly into Denver to meet with him, visit several spots throughout the state and eventually make our way north into Montana. Joining me on the trip from New Hampshire would be my best friend of over a decade, Michael @Mickeyb06. With a week of hunting the Lance under his belt from the year before, I knew his eye would be better, resulting in him finding more this time around. Several months of creating routes, researching accessible sites and forming itineraries led us all the way to mid July, when Michael and I would fly out of Boston Logan to Denver. By the time we had landed and met Quincy it was already mid afternoon. Quincy presented us with two options, head home for the evening or push on to one of the fossil sites. Ready to explore, I chose the latter. We decided to stick to our plans and head west into the mountains. The first site on our tour would be in Kremmling to hunt exposures of the late Cretaceous Pierre Shale. While I could have chosen this area or the Baculite Mesa, I decided I would prefer the mountainous scenery. Of particular note was the Kremmling Cretaceous Ammonite Locality, a protected zone where collecting was prohibited. Within this zone were dozens of calcareous sandstone concretions, many of which preserved the impressions of the giant ammonite Placenticeras and other marine invertebrates. This environment is interpreted as storm deposits of near-coastal sand bars, with the accumulation of ammonites coming as a result of their mating rituals, subsequent mass death and eventual deposition (similar to what was featured in Episode 1 of Prehistoric Planet!). After rain, water collects within these great molds, creating natural bird baths, a colloquial nickname for ammonites of this caliber. A view of the adjacent ridgeline and the mountains which surrounded us. Note the hazy sky due to wildfires elsewhere in the state. Candid shot of Michael. The winding trails. An assortment of smaller invertebrate fossils we found in the first few minutes, clusters of inoceramid bivalves and partial ammonites. Information plaque which included a beautiful illustration by Ray Troll. The first birdbath ammonite we found, with a large section of Baculite included. Another birdbath, GoPro for scale. After checking out the site for a while, we ventured outside of the protected zone onto surrounding BLM land to hunt our own non-vertebrate fossils. A beautiful piece of petrified wood. A partial cast of an inoceramid bivalve. One of my only pieces of ammonite that afternoon, a small segment of baculite. My last find of the day, a big chunk of Cretaceous sea bed, covered by the shell impressions of its long dead inhabitants (small inoceramids and a baculite). A beautiful sunset through a hazing Rocky Mountain sky. Stay tuned for more, because there is plenty to come!
  13. I received this little partially prepped oreodont skull from an old paleontologist I've connected with and I noticed these two spots on it. Are they just conveniently placed holes? Or are they a bite mark? And if so, from what?
  14. The first (and only- for now) Oreodont skull I prepped was in remarkably good condition and required virtually no reconstruction, just a thorough and careful cleaning + a little stabilizing. Afterwards I was looking for a good way to display this little skull in a manner where it wouldn't just be sitting on a flat surface. I'm not great at bending metal to create an elevated cradle so I came up with this: I laid a sheet of plastic wrap on the underside of the skull and gently pressed Apoxie sculpt on top of the plastic so it molded to the contours of the skull. I then pressed a metal rod bent in two 90 degree angles into the Apoxie making sure it was straight. After setting for a little while- still soft enough to pull it away from the skull without getting stuck, but firm enough to hold its shape- I pulled the mold out and allowed it to dry. Once fully hardened I lightly sanded to smooth out some of the rougher contours and reduce the overall size so it wouldn't be as visible with the skull resting on it. A bit of tweaking here and there and I got it so that the skull could gently 'clip' in and out of the mold. Attached are a couple shots of the original piece with matrix, and the finished fossil and stand. I am really happy with the end result and plan on using this in the future- I hope you find it interesting and useful as well!
  15. It’s been a few years since I’ve posted, good to be back- I’m looking for unprepped material! I’m just a hobbiest who enjoys the prep work as much or more than the collecting. I’m not an expert by any means but I’ve done a handful of large green river fish, a few mammoth tusks, an Oreodont upper skull, and a few other miscellaneous specimens. One of the most enjoyable prep projects I did was a small oreodont upper skull that was in grade A condition, but since then (years ago) I cannot seem to find anything similar. I am most interested in any unprepped white River specimens, ideally skulls, turtle shells, etc. as long as they’re in grade A or B condition- I’m not an expert at reconstruction. I’m also interested in some of the larger and more rare species from the Green River formation. A large and complete Mioplosus preferably from the 18in layer would be great, I’ve only ever done one of those before and it was sadly around 30% disarticulated. Any help would be greatly appreciated, thank you! nick
  16. Nanotyrannus35

    Some Oreodont Bones

    I had recently received a couple unprepped oreodont limb bones from @snolly50 and have started prepping them. Here's a pic of my workstation There's been a lot of repair in these bones that I had to do. The bone on the left I'm pretty sure is a humerus. Here's some more pictures of that one Then there's this other bone that I'm working on repairing and prepping, I think this might be a femur? Then I have this piece that looks like the end of the tibia and fibula with some tarsals. And last I have this unidentified limb bone end, about 3 inches long I'm doing all my prep work right now with a pin vice and it's turning out pretty well.
  17. snolly50

    Mystery Bones

    By some vast, cosmic alignment of karma, snolly has become the possessor of a horde of material, deaccessioned from a museum's abundance. Information is scant, but "Oligocene" and "Nebraska" are offered as clues. The foil wrapped specimens had apparently lain in benign neglect for a a generous span, the bone rests in pieces with sheets of dried, peeling consolidant and crumbling matrix. The specimens appear to be limb bones and Oreodont is the donor that presents as likely. At present, snolly is leisurely joining the puzzle pieces and removing old consolidant (white glue?) and matrix. Please glance at the examples pictured and offer any insight as to their identity. Here are a couple typical pieces. Note the detritus of peeled consolidant.... This piece is perhaps a tibia with sherds of fibula attached, hanging precariously by the dried adhesive....
  18. Randyw

    Oreodont

    I was recently given an Oreodont skull that someone had started but he gave up on it after breaking it into 5 pieces. One of my relatives who knows him was talking about how I’m into fossils and the guy just gives it to him so he gave it to me! So it’s my next project. Even though it’s not in the best shape I’m still excited to get it! I love prepping fossils even though I can only do it on my days off.
  19. GarethGP

    Merycoidodon sp.

    I was recently given a mandible by a retiring paleontologist that I've been prepping. It was buried deeply in matrix. He had recorded it in his records as merycoidodon sp. not knowing what species of merycoidodon it is. Does anyone know if we can tell based on size alone? Here are some pics.
  20. vietnamfossil

    Is this Poebrotherium or Oreodont jaw?

    Hi folks! I just get this mandible from a guy sold as unpreped. He found it in South Dakota. Because it still cover in matrix as some section so I would like to as you if this is a Poebrotherium camel jaw or it belong to Oreodont? I can’t identify between both of these species because the tooth look very similar of herbivore animal. Thank you.
  21. fossilhunter21

    Oreodont prep!

    So I know in another post I said that I was not going to prep mammal fossils for a while... Well apparently I lied. It was not very expensive (I am sure you can see why) so I decided to purchase it. Here it is after a few hours of work. Ps. Sorry about the quality of the photos. My camera takes batteries and is not rechargeable and I have no batteries left. Also I am tired and it's late and I don't feel like spending lots of time on photos right now. Hopefully tomorrow I can get better pictures. -Micah
  22. fossilhunter21

    Oreodont prep!

    I recieved this skull yesterday and have been working on it whenever I have time. The skull is not super complete, but I still like it. Here are the images from the seller:
  23. fossilhunter21

    Oreodont question

    So I am thinking about getting an unprepared oreodont skull. But I was wondering how hard it is to prepare one and if I should buy something less expensive to work on? Thanks in advance! Ps. I have a little bitt of experience with preparing fossils.
  24. Now that hockey season has ended and the lab is warm again, and perhaps due to my new found extra time in isolation, I am embarking on documenting my prep projects. I thought I would start the prep season off with something easy that should turn out fairly nice. Please welcome my new little friendly Oreodont, Miniochoerus gracilis. It came into my collection in the summer of 2013 and has sat jacketed in a box until today. This evening I concentrated primarily on consolidation and bulk matrix removal with an ARO, and still have a ways to go. The plan is to prepare the "down" side in the hopes of a beautiful orbit and zygomatic arch. I did notice a cross section of vertebrae on the rear of the block so there is probably some neck attached as well. I'm hoping there is enough matrix below the jaws to make a nice pedestal to sit on as well.
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