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Found 290 results

  1. Hi guys! I don't post here often, but I'm a PhD student in geology, currently working on tropical Paleogene palynology. I'm taking an unrelated class on the Permian Basin and I am working on identifying some of the fossils our class saw in Guadalupe Mountains National Park. I'm not a sponge expert, and I was hoping someone on the forum might be able to confirm or correct my identifications. I might make a follow-up post on the non-sponge fossils we saw on the trip. A bit of background, these pictures were taken in the field with a metric scale, the scale has been cropped out of the pictures and a 5 mm scale bar is added. No fossil collecting was allowed on this trip so I won't be able to provide additional images. The fossils are from the Capitan Formation, which is Permian Period, Guadalupian Epoch, Capitanian Stage. The global stage name is actually named after the nearby El Capitan peak. Amblysiphonella? Archaeolithoporella?
  2. Platteville Wisconsin Crinoid Help

    I think that I found a small crinoid in the Ordovician aged Platteville Formation of Southwestern Wisconsin. i know there is not much to go on but am hoping someone can confirm that it is a crinoid. Any idea on species would also be appreciated. The specimen measures around an inch.
  3. echinoderm or what?

    this is 1/2" across, the opening is 3/8" sandstone matrix, calcite thingamacallit found in Meade Co, KY about 300 feet above the Ohio River. Thanks for help
  4. I think I found myself a partial crinoid calyx in some micro matrix. Pennsylvanian period, Jasper Creek fm, Bridgeport, Texas. Measuring just 1.5 cm in length plus another tiny cluster that may be part of another. So I'm posting both on here for more learned opinions. The 2nd one is a bit smaller, measuring only .5 cm in length. I'd like to find an entire calyx (or an entire critter). I seem to have become partial to crinoids for some reason.
  5. Just reassembled, crinoid stem with a bit of character. Probably Poteriocrinus sp., or maybe Rhabdocrinus, 20cm long, 10-12mm diameter, in a high energy deposit full of crinoid, bryozoan and brachiopod débris. It's unusually well articulated for this bed which mostly contains smaller broken bits of stems, arms and plates. There's a probably pathological swelling towards the top, above the radices. Last photo shows it as collected - very fragile and the main stem had largely broken into calcite cleavage fragments. Prepping so far was just a matter of letting it dry, then gluing, poking off shale with a needle and scrubbing (wet again) with a toothbrush. I'm letting it dry thoroughly and will then consolidate the sides and base of the block with thin paraloid solution. I might then air abrade a bit. Brigantian, Co. Durham, UK.
  6. I went on my first real dig yesterday at the Ernst Quarries of Bakersfield. I won't say it was easy, but it was pretty rewarding. Aside from a bunch of very small shark's teeth, I found a fossilized piece of a stingray barb grinding-plate, and this particular piece. At first I thought it was a tooth from some ancient fish that had teeth that looked like tusks. After looking at it for a second more, I realized that it was something else. Crinoid came to mind. Being a newbie, I just wanted to get verification of this pieces "crinoidness", or lack thereof. Is it a crinoid fossil, and is it common in places like Bakersfield oil country? Many thanks, learned fossil-folks, et. al. Cheers.
  7. CP crinoid stem in north China

    It is in Yangquan, Shanxi province, which is a known for its CP coal mine ( the best in China) and fossils. This is the well known Taiyuan Formation (late philadelphian, late C early P) . Tons of marine stuff, you have to literally walk on the crinoids and brachiopods calcite, yet a few dozen meters away you see the land plant fossils like cordaits. I saw crinoid stem pieces in all shaps, round rings, roud rings with radiant rays, eclips rings, penta rings, and square and rectangle pieces ( one in the foto), as well as internal molds. They are every where scattered. I have little knowledge about it. I wonder if I could get any help here, like possible ID, or if there is any on-line place to learn. I only have some generic paleotology book and a small chapter on crinoids fossils, and only a few sketchy words for crinoid stem in CP period.
  8. Crinoid Prep

    My other current prep is a nice crinoid slab. Here’s what it looked like in the beginning. Large, thin, and VERY cracked.
  9. While I find interest in every fossil my daughter and I find, I’m feeling a bit frustrated at finding only Crinoids. Yes, I think they’re cool, and I don’t want to be ungrateful, but I’m getting a bit discouraged.. I’d like to find something other than a Crinoid. Now, admittedly, I only know certain places to look, so that’s why I’m reaching out for help. We’ve primarily looked in creek beds, and along the trails we walk. I’m in Boone County, MO. Can anyone give us any tips on other places to look where we might find something other than a Crinoid? We’re new to fossil hunting, so honestly any tips you have will be well received and we’d be so grateful for them. Thank you in advance. (photos for attention.)
  10. Your Favorite Find?

    Hey, I hope this is the right forum! I’m new to TFF, so idk if this is allowed or not, but figured I’d give it a shot. Admin, if not allowed, please delete and let me know. Thanks!! I’m curious to see your favorite piece in your collection. Post a picture of your favorite find, and tell me a little bit about it. What time period is it from? Where did you find it? (I.E., US, England, etc.) Is it rare? Why is it your favorite find? I’ve got a couple of favorites, but I’ll just post one. This rock in particular is teeming with history! On this one rock alone there are fossils of Crinoids, some with, what I believe to be, pinnules still attached. It’s got fossilized shells, imprints of shells, Crinoid stems, etc. Its my favorite because it’s just got so much history packed in to it! It was found in Boone County, MO., USA. I believe it to be from the Mississippian Era. These are all found on the same rock. (I’ll add some more pictures to the comments.) If I’m wrong in my guess on what they are, please correct me! I look forward to seeing your favorite find!
  11. Can anyone confirm this for me? I believe it to be a top view of part of a Crinoid. It was found in a creek bed in Boone County, MO. I believe it to be from the Mississippian Era. It looks to me to be two of the arms laying down, as if you were looking at the Crinoid from the top. Am I accurate in this? It is super small, at maybe 1/4 of an inch big at the opening, though it goes maybe an inch deep. These are the clearest photos I could get of it, as it’s dark in there, and it’s so small. The opening measures 1/8th of an inch tall. It is 1/4th of an inch wide, and from the top of the opening to the bottom, crystallized circle part, it measures 1/2 an inch.
  12. Waterloo

    Any fossil sites around Waterloo other than fossil park? Just curious as I'm not from around.
  13. Worm like fossils, crinoids?

    I found what look like worm fossils among a bunch of crinoid fossils and a few shells. Could you explain what these are? They seem much larger than the crinoid fossils. Seems like one end of the worm and the other end. I found smaller ones of one end, like knob ends.
  14. Crinoid fossil?

    Hey I was wondering if the stuff next to the crinoid stem is part of the plant and not just smaller stems. All I find are crinoid stems so I was wondering if this was part of the actual crinoid. Found In Cincinnati.
  15. Hold fasts?

    I believe these are holdfasts?... not real good ones but possibly if I clean them up a bit.
  16. I can't seem to find an ID for this find. I believe this may be a siphuncle. What do you guys think? The "V" shaped sutures are really throwing me off. Has anyone seen a straight shelled cephalopod with this "V" pattern? Kinda neat how you can see how this was buried, preserving one side as it weathered the other. Then along came a dozen crinoids or so a used it as a nice base.
  17. Any idea what these silicified possible crinoids are? Are they even crinoids? They are from the Pennsylvanian Naco Formation from near Payson. The ones in the photos (both sides are shown) are from 0.8 to 1.5 cm wide. @crinus These two references might be of help. Anyone have access to the photos from these? Webster, G., & Olson, T. (1998). Nacocrinus elliotti, a New Pachylocrinid from the Naco Formation (Pennsylvanian, Desmoinesian) of Central Arizona. Journal of Paleontology, 72(3), 510-512. Webster, Gary; Elliott, David. (2004). New information on crinoids (Echinodermata) from the Pennsylvanian Naco Formation of central Arizona. The Mountain Geologist. 41. 77-86.
  18. Looking for ID

    Does anyone know what this is? apparently it is from the banks of Lake Sakakawea, Tobacco Gardens, outside of Watford City, North Dakota.
  19. Penn Dixie Calyx

    It is very rare that a crinoid calyx is found a Penn Dixie. I was at Penn Yesterday in the blistering heat 39 Celsius and found a small calyx (23mm * 11 mm). I have a suspicion what this is but don't want to taint others before hearing their opinion. This was found in the top of the E. rana trilobite layer in the Windom shale. I prepped it this morning and the preservation is much better than the 1 other calyx that I have ever found there which I gave to DevonianDigger earlier this year. Here are a series of pictures that try to give the different views. There is the remains of one arm but it is disarticulated from the actual calyx.
  20. Rockford, IL fossil sites

    Hi there I live in Sharon, WI. I am curious in want to take my kids to fossil sites to one of fossil sites as they love to look for fossils. Is there any fossil sites around Rockford, IL that I could take my kids so kids' curiousity can be satisfied. Thanks! BTW Mason Creek is too far for now.
  21. Crinoid Cup and Arms

    From the album Mineral Wells, Texas

  22. Crinoids

    From the album Mineral Wells, Texas

  23. Crinoid

    From the album Mineral Wells, Texas

  24. Crinoid in matrix

    From the album Mineral Wells, Texas

  25. Crinoid in matrix

    From the album Mineral Wells, Texas

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