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Found 43 results

  1. Is this fossilized tree bark? Help please

    Need help identifying what I'm guessing is Fossilized tree bark I found On banks of Yellowstone River. Erosion this year is nuts. More just this spring than I've seen in 33 years of Spring flood erosion.
  2. Hello, I hardly know anything about fossil identification but was given these fossils a while back and thought I ought to know what they actually are. They look fairly common and from research, they look most like an ammonite and a fish fossil maybe but I'm not sure. Any help would be much appreciated and pictures of both fossils are attached. Thanks, Harry
  3. Is this a fossil bone?

    Hello I was wondering if anyone could identify this fragment, which I think might be a fragment of bone, but am unsure. I don't have a lot of knowledge when it comes to identifying Pleistocene fossils.
  4. Hello all, I have been a long time lurker and decided to finally have a voice. I am a long time rock lover, and unfortunately am in the beginning stages of trying to learn everything I forgot as a child, ie. I am happy to take constructive criticism. I have been traipsing through muddy creeks and cut roads looking for rocks that are interesting. I happened across the embedded rock a week ago and I don't know where to begin in the identification process. The picture attracted is on a slope that leads to a creek in Richland Hills, TX, just east of Fort Worth. I assume the city cemented rocks together to prevent erosion and they did a really great job. This fossil(?) is about 8 inches by 10 inches and appears to be a rib cage. Would anyone be able to help me in determining the proper steps to take to identify what type of animal this was?
  5. What could this be.

    While fossil hunting at the foothills of the Appalachian Mountains in North Carolina, I came across this critter. I don't think it's a Crinoid, as the little groves and very tiny, even compared to some small Crinoids that I found. I'm thinking of some sort of Centipede type creature, but have no Idea. Any thoughts or help would be greatly appreciated. I was tickled to find something a tiny bit different. Thanks in advance Joe
  6. Hello, My nephew has found what could be a fossil in a paving slab recently laid down at his house in Stratford-Upon-Avon in England. He wants to know if it is a fossil (and if so what kind of fossil it is) and I could do with some help identifying it. A picture is attached and I can attempt to get any extra information needed. Regards, Harry Keig
  7. I stumbled across an Atlas Obscura article about the American Museum of Natural History's annual Identification Day. The Fossil Forum's own @Carl was featured prominently in the piece! Check it out. It's a fun read! Daniel
  8. Is this fossilized coral?

    Hello! I am wondering if this might be coral? It was found in a creek in middle Tennessee.
  9. Hello! I'm wondering if any of these shells are known to ONLY be found in shallow water. If so, which one? And how shallow are we talking-- 10 meters? 100 meters? Found near the Azores, depth unknown. Some forams can be used for scale. Any help will be greatly appreciated. Thank you!
  10. Iowa Mammal Teeth ID

    Hello, I'm a new member to the Fossil Forum, could someone please help me ID these teeth? I found the larger, blacker tooth this morning on a sandbar of a creek in Linn County, Iowa. My wife found the smaller tooth on the same little sandbar about a year ago. I have found several bison teeth in the many other locations I have walked up and down this river, but these two have been stumping me. These are the only teeth we have found so far that still have roots intact which leads me to believe that they did not travel very far in the creek. These may or may not be from the same animal, but two strange teeth from the same spot makes me wonder if that could be the case. The smaller one has a stylid, but even the small one is thicker than the bison teeth that I have. Two photos compare size to a modern bison jaw. Small tooth: Width: 26mm Thickness at top: 16mm Enamel height: 32mm Large tooth: Width:29mm Thickness at top: 27mm Enamel height: 14mm
  11. Fossil Identification

    I regularly creek walk searching for arrowheads, fossils, and minerals. I have found a few teeth that I have no idea about and would appreciate anyone’s help in helping me towards an answer
  12. I found this rock over weekend and thought it looked strange. I think it looks like some kind of fossil, but I know nothing about identifying fossils. I would appreciate any help trying to identify what this is...thank you! I found this in Lincoln county Missouri, which is northeast Missouri. I have more pics on phone but was only able to upload these 3.
  13. As I understand, there are several practices when naming fossils. If I have a confirmed mosasaur tooth in which I know the definite species, I name it: Tylosaurus proriger If I have a mosasaur tooth in which I know the genus, and the species resembles T. proriger, but I am slightly unsure, I name it: Tylosaurus cf. proriger If I have a mosasaur tooth which looks just like T. proriger, but I know it's a different species for sure, I name it: Tylosaurus aff. proriger If I have a mosasaur tooth in which I know the genus but not the species, I label it: Tylosaurus sp. OR Tylosaurus indet. If I have a mosasaur tooth in which I cannot identify the genus, but it resembles the Tylosaurus family, I name it: cf. Tylosaurus sp. Did I get that correct? .sp = 'species' .cf = 'confer' meaning 'compare with' .aff = 'affinis' meaning 'it has affinities of that species' .indet = 'indeterminate' meaning 'there's no way to confirm this' Next up, what if I have a mosasaur tooth that is worn down, but comes from an area with high Tylosaurus density. I know it's probably Tylosaurus, but I can't be sure. Is there any way of labeling a fossil with the message: This is probably a Tylosaurus?
  14. Newbie fossil help

    Hi! I a am new to fossil hunting and would love to know more about these two that I picked up at Burling gap East Sussex. Many thanks x
  15. Went to Venice for a bit this afternoon assuming we won't have beach days with Irma headed our way. I had some nice finds and a beach almost all to my self. Two thing I'm unsure of, one I'm assuming is part of a turtle shell, the other I'm unsure of. Thanks for any help
  16. More fossils from Calvert Cliffs

    I would greatly appreciate help with identifying exactly what fossils I have here... Again, they were all picked up at Calvert Cliffs, MD. I am most interested in the odd little (tooth?) second down on the left. Thanks so much!!
  17. Fossil vs. geological

    Ok experts.... Severely eroded (dolphin?) inner ear or funky looking stone/pebble from Calvert Cliffs, MD? I have a lot to learn... Thanks!
  18. Vertebra identification

    Hello all, I am new to the forum and to fossil "hunting" in general. I was hoping one of you could please help me identify a nearly intact vertebra I found recently at Calvert Cliffs (MD). It measures approximately 4.5" superior-inferior, 5" transversely and 5" anterior-posterior. I have several more pictures but am having a difficult time "re-sizing" the photos (as a true amateur would)! If you need more info/pics, please let me know. Thanks in advance for the lesson!
  19. Need help with ID please

    Country of origin China Just under 7 inches by 4 inches for actual matrix Sold as a snake dated 100mya Just something doesn't look right to be a snake, no vestigial limbs, vertebrae not as defined as a snakes would be as well as the 2 antenna looking structures, but the head is too big for 100% ID. Any ideas would be greatly appreciated Thank you
  20. Hello all, I've updated one of my pages: http://www.fossilguy.com/sites/calvert/calv_vert.htm The Calvert Cliff Vertebrate Identification section (No Sharks Allowed). It's been in need of an update for about 10 years now! I am looking to beef up the Land Mammals and Seal section (as I lack these fossils) and am wondering if any Calvert Cliff collectors would be willing to let me use a photo of their seal teeth and/or other land mammal fossils, oh, or birds from the cliffs. Full credit given of course. You can PM me back if you have any and would allow me to use them. Thanks! Jayson K
  21. Can anyone provide any input about this fossil. Appears to be some kind of egg, the size of a standard business card. Found by the south east coast of NC.
  22. Fossil ID help

    Hi can anyone help identify these ? they were given to me and I do not know their origin kind regards paul
  23. Is this a fossil or ?

    We found this strange rock on our farm near Swift Current not far from the South Saskatchewan River in Saskatchewan Canada. Does anyone have a clue as to what it is? Thanks, Tyler
  24. Spinosaurus Tooth Shard?

    I got this interesting piece of tooth from a package from Morocco that contained shark's teeth. While looking through the bag I found this: I was wondering if it's from a Spinosaurus.
  25. Let's say you have a fossil tooth that you bought online. For months you've been doing your due checks, using acetone rubs, taking pictures from as many angles as possible, letting other people handle it, as well as checking with as many experts on teeth as you possible can. Unfortunately you can get no conclusive results. 1/3 of the experts you trust are adamant it's a fake. 1/3 swears it's real, and give you an ID for it. And the last 1/3 gives different IDs. Any further testing would mean damaging tests (e.g. cutting a small piece of it out) which you're unwilling to do. What then? Ideally, we want to do responsible fossil labeling, because we want to avoid a cascading effect in which other collectors or even dealers base their own fossils on your potentially-wrong ID. (have seen it happen before to an expert I trusted. When I asked how he got his ID, he showed me a pic of MY fossil which I had a dubious ID on). Would you 1) Leave your fossil unidentified, knowing you might never be able to be 100% positive on it, considering even respected experts cannot agree on it 2) Cherry pick off the current IDs, maybe add a '.cf' in front to indicate it's not a solid identification 3) Sell the darn fossil off, because dammit! This thing is more headache than it's worth. Remember, all evidence from 3 sides are equally strong.