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Found 271 results

  1. Benedini?

    My friend has had this tooth for a while and it's from Antwerp Belgium. It is for sure not a mako, so what is it? All information would be helpful
  2. HI all, Were going through our cambrian material from the Upper Cambrian Abrigo formation from southern Arizona, and besides hordes of trilobite bits, we have found two similar calcified items in the limestones which we are not certain of. I think they are either plates from an eocrinoid, or sclerites from some sort of bottom dwelling crawly thing. Now we do very occasionally find stem ossicles here, very rare in the upper cambrian, but dont know if they are crinoid or other stemmed pelmatozoan. Here is the photos I just took, let me know your thoughts!
  3. This is a shark tooth right?

    I am just wondering, does this look like a broken shark tooth or is it possibly a reptile tooth? I have unfortunately no information on it.
  4. Unknown object ~ any ideas?

    Hello everyone! I hope the new year is treating everyone well. Here outside of Chicago, we are about to get hit with a huge snow storm. While this time of year is usually slow for getting outside and doing some searching for interesting finds, a warm day last week allowed for a few new items to be found. In the DuPage river just west of Chicago in Illinois I have been finding a great group of teeth some fossils and a few possible Native American cutting stones. The item I found last week though is quite strange. I have no idea what this could be after searching for over an hour online for similar type stones/fossils. The ridges are very odd to me as they are pretty much evenly spaced. Here are the photos. As always I greatly appreciate any feedback you all have and look forward to discusses this and maybe identifying it. Thank you!
  5. What jaw is this

    I bought this fossil at the Tucson Gem and Mineral show and I was wondering what it was. It may have been a marine creature because these people had a lot of mosasaurus and shark teeth.
  6. A Few Interesting Little Pieces

    I went through a bag of bits and pieces from a year or two ago last night and found a few I was curious about. Any thoughts? All found in Venice FL. #1
  7. Unknown, at least by me

    posting this for a friend. Found in Charlotte, TN. Middle of state. Could be Ord, Sil, Dev, but my guess would be Silurian from the color of the matrix. Any ideas, it's got me stumped. LOOKS LIKE THE AGE IS MISSISSIPPIAN
  8. I got this when I was a little kid (~20 yrs ago) in a grab bag of rocks and fossils at a local museum's gift shop. Could've come from anywhere. As a kid I thought it was a fossil beetle pupa in petrified wood and cherished it. Now I'm a lot less sure. Completely clueless in fact. Can anyone narrow it down from my current knowledge of "a thingy inside a lump of stuff"? Thanks all. Been wondering about this one for years, and finally showed it to somebody who told me about this forum. -Jake
  9. Unknown

    Found this today and I’ve never seen anything like it. The tip was poking out of a lump of Cotswolds stone. 2 cm long, 1cm wide, 4 mm thick.
  10. Mazon Creek Annularia or Cephalopod

    I am at a 99% certainty that this is just a weathered annularia, but there is a very small percentage of my thinking that it might be the cephalopod, Jeletzkya douglassae. I know that J. douglassae has 10 arms and this concretion has 9 branching (leaves / arms?). I collected this 1/2 concretion years ago at Pit 4 (Shadow Lakes- Braidwood Flora / Fauna) What do you think @fiddlehead, @RCFossils?
  11. Unknown South Florida Fossil

    I’ve been searching the internet for an ID on this fossil and have come up empty handed. I came across this forum and thought I’d check in with you all. Any ideas? About the size of a pencil eraser. Found on a beach in South FL alongside many ray and shark teeth. Might be nothing at all, I’m not experienced enough to say. Help appreciated!
  12. Ammonite

    This is an ammonite i got in a bundle of fossils last year, they didnt say where they came from and what they were. Is this a Hildoceras?
  13. Tiny bubbles

    I found these in the creek back in September, this is the only pic I took (just now happened upon it in my files) and I can't find them to retake pics. The largest rock, the black one in the right of the frame, is no bigger than 2" at it's widest measurement, if that helps. I'm just really curious about what would make these little bubble-like formations printed on a rock like this. Bubbles?
  14. Unidentified Pygidium

    From the album Trilobites

    Taxonomy: Unknown/unidentified Age: Lower Devonian Location: London (mixed import fill: Bois Blanc, Amherstberg, Dundee) Source: Self-collected Unknown trilobite pygidium. Axial sits very high on specimen, tapering and with slightly incised axial rings (similar to Anchiopsis anchiops, but no terminal pygidial spike). Most similar to Mannopyge halli, but missing nodes on pygidial border. The presence of a border does suggest a dechenellid. That's all I know! Searching through my literature has not yielded a close enough match.
  15. Cool rock or finally a fossil?

    Again, it's small enough that pics are tricky to get with my phone. I've posted the interesting side, the side, and the flip side. What do you think?
  16. Is this a bone?

    I have no idea, but it's small enough that good pics have been tricky and my curiosity has gotten the better of me so I am posting what I have. Can you give it a guess?

    Hi I made a mistake this stone measures 24x12cm the sea horse looking creature measures 8 cm it was found on the North Sea Essex coast uk it appears to have rings around the trunk of the creature any more help will be appreciated many thanks David
  18. Fossil? found uk North Sea coast

    Hi could any one please help with this piece it was found in the uk after beach was recharged with dredged material found on the south east coast many thsnks David
  19. Geode?

    The fossil I want most to find, at this point in my addiction, is a tullymonster. A few months ago, I thought this might be one, but, now, I'm fairly certain it's just a geode and am just double checking by asking for an ID. I actually really dig (that's so punny, lol!) geodes, so I'll add it to my collection, but I have enough criniods and brachiopods. I'm throwing a little tullymonster fit!
  20. Since @Jones1rocks has been posting Mazon Creek fossils for ID's, I thought that I would post two that have stumped me and I would appreciate any help. Both of these concretions look similar to me- the first one I only have a half and the second one I have both halves. Sometimes I think that they are flora and other times I think fauna- such as a shrimp, but I have no clue. I am really leaning towards fauna and I have never found any others that are similar. Here is the one with only 1 half- different views:
  21. Anyone have any idea what this is?

    I found this a few years ago, but have not been able to ID it. Is it a fossil or is it just bone, and what is it from?
  22. opened concretion

    I had a few concretions crack open from pit 11 in mazon creek recently(freezing method). I don't always check them as they are outside sitting in buckets in my back yard or garage, so not sure exactly when it cracked, but found it a few days ago. I have the 2 books on identifying the different mazon creek fossils, but unfortunately 95% of the concretions that crack open look nothing like the pictures, or nothing discernible anyways. I know many of the fossils found here are jellyfish, which to me doesn't look much different than the duds. This one has me lost as it's obviously not a dud, but what it is I'm not sure. At first I thought it might be a shark tooth, but I don't see any serrations on the part sticking out. I've gotten a couple clam concretions, and the texture of this one is nothing like those. Those are the only 2 things that came to mind with this piece, but as you can see, more of the fossil is buried in there. I thought about putting this in the fossil prep section as well as you don't typically "prep" a mazon creek fossil other than cracking it with a hammer of freeze/thaw, but to get a better ID I might need to try to free it altogether. Also I've only gotten about 4 hours of sleep in the last 2 days, so I forget to put in a size reference. It's about 3-4" at its longest part. Any thoughts would be greatly appreciated. @Nimravis I know you've done quite a bit of mazon collecting, so would greatly appreciate your input as well. Thanks in advance all.
  23. What kind of tooth is this? Oviraptor?

    Okay, so i recently ordered and received this "tooth" from a 100% trusted seller. It was sold to me as a chirostenotes tooth but that doesn't add up cause i thought they were jawless. There was a jaw specimen found but later redescribed as Richardoestesia. Maybe its another type of small oviraptor? Does anyone know what this is? (The tooth is only 3mm long so it was really hard to take a picture of it and only 4mb allowed to upload pics so just ask and i'll reply with more).
  24. Can anyone identify this

    This was found at the bottom of a swimming hole with a waterfall. Both sides are pictured
  25. Pseudorthoceras???

    I am again going through thing that I have in my collection and came across this little thing and I am thinking that it may be a Pennsylvanian cephalopod, maybe Pseudorthoceras. I do not know the location that it came from and I am guessing that it is Pennsylvanian. Any help would be appreciated.