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  1. An id for a friend who found this in the Red Desert of south-central Wyoming. Is anybody able to tell what exactly it is? It is an unusual one. Thanks for the help.
  2. Hey all. I had these pictures sent to me by a friend, and we're both totally stumped over what this possibly could be. It was found pretty densely surrounded by other shattered bone. Any help at all would be greatly appreciated- we've really been scratching our heads over this one!
  3. Simonsaz

    Stone or fossil? Wyoming

    Hello, have purchased this stone for a few years. Here is my question: is it just a stone, or a fossil? It was found in wyoming. Looking forward to your expertise. Kind regards
  4. In the summer of 2020 jpc and I had planned to get together in Eastern Wyoming to collect. That trip was unfortunately aborted by the coronavirus outbreak that year. This year, that conversation resumed and a new plan for a three day excursion in June emerged. I decided to make it a two week long car trip, driving all the way from New York, a longer car trip than any I've made in the past 25 years. That would afford me the opportunity to stop at some other sites on the way there and back, plus see some family. Another big reason for driving was an opportunity to visit and collect at the Big Ce
  5. Wyohobby

    Turtle shells?

    Good evening! I have so enjoyed reading all your posts on the fossil ID over the past month. It is fascinating to witness the knowledge and enthusiasm of your members! Tonight I’m sharing possible turtle shells my mother picked up in The Wind River basin near Riverton Wyoming. I think this area is Cenozoic. It has a lot sandstone but she recalls these were just laying on the ground among other normal rocks. We have many pieces but I am just sharing a few representative items here. I’d love to know anything more about them. Are they possibly turtle? Any guesses as
  6. I came across this jaw fragment from a spot in the White River Formation, Central WY. I'm going crazy trying to ID this thing- any suggestions?
  7. Hey all! I've taken a job in Lander for the summer, and am hoping to plan a few fossil hunting expeditions before I head back out east in the fall. Does anyone have any advice for fossil hunting out here on a budget, or any favorite locations? Thanks!
  8. PaleoNoel

    White River Carnivoran Jaw Section

    Hello again. I wanted to share this jaw section I found in Wyoming's White River back in July 2020. My initial thoughts were that it belonged to the primitive canid Hesperocyon, which in my experience has been the most abundant carnivore in those badlands, however, it doesn't quite match the other material I found which I'm confident is dog. While scrolling through the forum I saw some similarities to a jaw section labelled as Daphoenus by @Nimravis on the thread below: The fossil itself is 3 cm long and ~2 cm from the tip of the tooth to the base of the jaw. I'd be interested to see som
  9. Max fragmento

    Hyaenodon ?

    Hello I found this in the White River Formation in Wyoming. Is this a Hyaenodon ? The block of rock seemed much harder than usual and had no cracks in it. It was more difficult to prep out than other similar fossils (oredonts, archeotherim, Probotherium) that I have found in the same area. I think maybe the harder un-cracked matrix contributed to the nicer quality of the fossil. Lots of amateur prepping mistakes but the matrix was soooo resistant to removal. Just wouldnt pop off nice like it does sometimes and I dont own a respectable sand blaster machine.
  10. jikohr

    Allosaurus tooth?

    Hi Everyone! I've been looking around at some potential Allosaurus teeth I'd like to buy but before I do I'd like to make sure that's actually what they are and learn how to id them, as I'm assuming the Jurassic fossil market is as rife with misidentification as the Cretaceous one. Here's one I'm curious about, very clearly a Theropod tooth. Apparently found in the Morrison Formation of Washakie County, Wyoming and measures 1.08 Inches in a straight line measurement. So what do you all think? Is it Allosaurus? How do you know? Is it even possible to pin a Morrison tooth o
  11. PaleoNoel

    Micro Claw-Lance fm.

    Hi everyone! I came across this little piece as I was sorting through some of the anthill matrix I brought back from Wyoming's Lance formation. When I first found it, I must not have recognized it as a partial claw as it ended up alongside other odds and ends (fragments of bone, gar scales & other misc. fossils) at the bottom of a pill bottle where I had deposited all of my pickings. This week, however, I emptied that pill bottle to see what was inside in order to organize all the micros I found from this locality (which will get its own post eventually). It's evident to me that this is a
  12. jnicholes

    Green River insect?

    I found this today while going through my collection of fossils from Kemmerer, WY. I don’t remember finding it, so it must have broken off another rock revealing this. It looks like an insect wing. Then, I looked at it under my microscope, and took these pictures. I need a second opinion. Is this an insect wing of some kind or just a piece of a fish scale? Its about 3mm long, by the way.
  13. Jada

    What could this be?

    I found this in Kemerer, Wyoming while digging for fossils at a quarry open to the public. Does anyone know what it is?
  14. Hi everyone! I'm gonna be spending a few days in Salt Lake City this August and am looking for advice. I'm debating between heading to the U-dig/New-dig sites in Delta UT for trilobites vs. heading to Kemmerer WY Green River for fish and other fossils. I wish I had time for both and to explore on my own, but time is limited. Any thoughts/suggestions? Also, any advice on finding petrified wood around the Salt Lake City area? Thanks so much!!
  15. Everyone I've encountered on this site has been very helpful, so thank you. However, I'm in need of more help. For the last year I've been collecting real fossils in the field and selling some to pay for more exotic rocks. In a recent post I found that my Solnhofen shrimp is, if not totally, mostly fake. Now I'm quite suspicious of my entire purchased collection and was hoping you could help me identify fakes. The first two pictures are apparently Priscacara, Green River Formation, Eocene; the next two supposedly Asteroidea, Morocco, Ordovician; the last three supposedly Triassic, Arizona petr
  16. gturner333

    Is this an ankylosaur tooth?

    I found this in some matrix from the Lance Formation in Wyoming and wondered if it is an ankylosaur tooth. The hash marks are 1mm. Thanks for any help.
  17. I am thinking of buying a fish fossil for my collection. These two look similar to me and they are all 13 cm. Just want to get your opinion, which one do you think is better? Thanks!! First one: Second one:
  18. Seanrad09

    Another Lance Fossil

    Got another one than has me stumped from the Lance in Wyoming… any ideas guys? Thanks!
  19. thelivingdead531

    TFF member trip to Kemmerer 2022?

    Hey everyone! Would anyone be interested in doing a group trip to Kemmerer, WY next summer? Since we moved to Wyoming 2 years ago I’ve been dying to go to a quarry out there for some fish but circumstances have prevented that. My family has no interest at all and, because of anxiety, I don’t want to go alone. Plus, I think it would be a fun experience for forum members to be able to get together and have a good time. I only have 2 summers left here and next summer would probably be the easiest one for me. Someone please say yes!
  20. These are multituberculate teeth found in the lance formation, I have yet to identify all of them and would like some insight. I have to post these in groups because there are so many but I can share the animals I think show the closest resemblance.
  21. MarcoSr

    Petrified Flame Sponge?

    Have you ever heard of Petrified Flame Sponge from Wyoming? I just bought (in the mail) the below piece because I want to look at it under a microscope and I think I can take some interesting pictures of it. It is supposed to be from the White River Formation in Wyoming. See the below cards with it. Marine from the White River Formation doesn’t make sense to me. Fluvial would, but not for sponges. Tsunami in Wyoming also doesn’t make sense. Reworked from older Formation? Ideas on what this is? Just a name for a type of agate? Petrified Flame Sponge Slab, Late Eocene/Early
  22. I saw this published thought it might interest some members. An age-depth model and revised stratigraphy of vertebrate-bearing units in Natural Trap Cave, Wyoming is presented in this paper https://www.sciencedirect.com/science/article/pii/S1040618222000222
  23. Fossil Maniac

    Ceratopsian fossil

    I got this fossil from a Wyoming in Tucson, Arizona. I was thinking it's a jugual bone from a Ceratopsian or a Hadrosaur.
  24. Lydia.K.Tyree

    Lance formation teeth

    These are photos of an unidentified tooth from the lance formation in Wyoming, it was put in a group of mammal teeth all approximately in the range of 2-4 mm in size. Among the teeth two of them have been identified as shark, one is a Lissodus and the other is unknown as of now. If there are any ideas as to what this tooth could be please do share.
  25. gond

    Knightia eocaena

    Complete specimen of Knightia eocaena. Reference: Lance Grande 1984. "The paleontology of the Green River Formation, with a review of the fish fauna". Wyoming Geological Survey, Bull. 63, pp. 85-86-87 for description of the species, pp 93-95-96-100 for images.
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