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  1. Eastonian

    Crinoid spines

    I collected these spines in Alpena, Mich., Potter Farm Formation, Middle Devonian. I don't know whether these are tegmen spines or stem spines. Nor do I know the genus or species of crinoids that had spines like these. Sharper minds than mine are on the Forum, so I'm hoping someone might have an idea of which crinoid they belonged to.
  2. Eastonian

    Help identifying this calyx

    Earlier this summer, I found this calyx at Partridge Point (Middle Devonian), Alpena, Michigan. I have tried to identify it, but I am stuck. Your thoughts?
  3. Mochaccino

    Dudley UK Crinoids ID

    Hello, I wanted to ask for help identifying these crinoid fossils from Dudley of UK. They are all quite small (UK penny is 2cm across) and I think mostly partials. 1. Just a partial calyx I think, the section around the base where the stem attaches 2. I can't really tell if these are three arms or three stems, and if the former they may not be attached to a calyx. 3. 4. Another small partial loose calyx?
  4. Hammerstine

    Crinoid calyx

    I’m posting some pics of what I believe to be a cluster of Crinoid calyx. I’ve found a few such as these . All in a cluster and all seem to be covered in calcite. Looking forward to hearing what you think. It was found in a creek in Jefferson county Missouri. It is 5”x5”. The creek is amazing. I can’t describe it so I’ll post a few more pics. It’s been awhile since I’ve been such a rookie so bare with me. Thanks
  5. TwoOaks

    Type of geodized fossil?

    This was found on one of my recent hikes in a creek bed in south-central Indiana (Monroe County). Geodes are very common finds as well as crinoid columnals and horn coral but this is the first find of this type. So I would think it is some type of geodized fossil but would like the experts' opinions. The first 3 photos (taken in natural sunlight) are "side" views and the 4th shows the "bottom". What do you guys think? Thanks in advance for your feedback.
  6. TwoOaks

    Geodized fossils?

    I'm a newbie to The Fossil Forum. I hike in the hilly areas of south-central Indiana (mainly Morgan, Monroe & Brown counties) whenever I get a chance and many times I end up walking the rocky creek beds looking for fossils & unusual rocks. These creeks are rich in geodes and there is a lot of shale & limestone. I believe that some of the unusual finds are geodized fossils. I have several that I'd like to share with the forum to get opinions from the experts. Attaching multiple photos (15 total: 3 groups of 5) of 4 different specimens with the first five photos showing a pair w
  7. Scottnokes2015

    ID help please. Weird fossil?

    Hello everyone, I have this fossil I found years back and need help to confirm what it's is. I found in Chester, Illinois, Mississippian. I've been told it might be a partial Crinoid Calyx. It's this correct, thank you
  8. FossilNerd

    The Day of The Echinoderm

    Firstly, a big THANK YOU to @Jeffrey P for hanging out with me for the day! What a knowledgeable, generous, and all around swell guy! If you ever get the opportunity to hunt with Jeff, I highly encourage you to. Jeff and I met at around 8:30 am, and after a quick transfer of his gear to my truck, we were off. We first drove about 45 minutes south to the small town of Wax, to hunt the Upper Mississippian. Specifically to look for blastoids and crinoid calyxes that were known to be found in the area. As it happens, luck was with us! Unfortunately, I didn't take the fiel
  9. Mr.Waffles

    Cyclocrinites in Arizona?

    I'm in Northern Arizona in an area full of crinoid, bryozoan, and brachiopod fossils. Recently I found what I believe might be a cyclocrinite. It's round, about the size of my thumb, and pitted like a golf ball. Its been suggested that this might be a calyx from a crinoid but since the hexagons on my fossil extend inward and not outward, I have my doubts. It looks like this thing was trapped in a pocket when it was fossilized. You can even see some space between the fossil and the material around it. The last picture shows the section of the stack that broke off, revealing the fossil inside. I
  10. Bob Saunders

    Pycnocrinus dyeri

    Pycnocrinus dyeri ordovician Upper Fairview formation Maysville, Kentucky Bowl shaped calyx below secondary radials, which number 12-15 No tertiary or intertertiary areas, and the arms bifurcate and become free at the top of the vault. Classification: Animalia, Echinodermata, Crinoidea, Camerata, Monobathrida, Glyptocrinidae Pycnocrinus dyeri has a distally coiled stem that was used as an attachment around bryozoans or other erect crinoid stems. The column is composed of circular columnals with nodals separated by varying numbers of internodals.
  11. Dantheman135

    Mineral Wells Fossil Id

    I was at mineral wells fossil park for the first time recently and was sorting some the finds today. I found 3 fossils that I could use some help IDing. #1 I believe is a Crinoid calyx. #2 is a crinoid but it has a weird growth on the side of the it. #3 also appears to be a Crinoid but it is full of holes. There’s no apparent pattern to them and they are on all sides of it. All holes are roughly uniform in size in shape. I can post more photos of any of them. Thanks for any help.
  12. Nautiloid

    Tiny crinoid calyx

    From the album: Fossils of the Upper Ordovician Lorraine Group in New York

    Unknown species Upper Ordovician Lorraine Gr. Whetstone Gulf Fm. Jefferson County, New York Collected 11/11/19
  13. Bob Saunders

    Complete Crinoid I'd

    I Found this last week on what I believe some call Michigan mud stone? I do not see visible arms and prefer not to disturb it. I also find no ready history of such finds for this S. W. Michigan County. 2 3/8 in or 62 mm long. Bob
  14. Toddster

    Paulding Ohio Find

    Found this at Paulding Ohio Fossil Park. This is the only one in 5-6 visits to this location. Is this a rare find?
  15. Presumably, having been tumbled along the robustness of the Knob Creek's quartz bearing country rock of the Hoosier National Forest in the Bartlettsville (North Lawrence Co.) IN area, the tip of the Crown (Calyx) of this large Crinoid appears to have been sheered off at some point to give the observer a view (in crossection) of the inside of calyx which reveals absolutely nothing but Silica replacement of all internal parts. This sample is of the Harrodsburg Formation in the Sanders Group, Lower Middle Mississippian Time.
  16. urban fossil

    Looks like a crinoid calyx

    Something I found near Coral Falls on east shore at Trout River, NWT. I imagine some of the craters are from the top "arms" and the other is of the stem.
  17. Rocky Stoner

    Crinoid ? good condition ?

    Hey friends I took a little walk at lunchtime today cracking shale along the way. Found this in the split of a piece of the harder gray/black/blue shale that doesn't have many fossils in it .... that I have found, anyway. Is it a crinoid ? from the calyx up ? Very interesting tentacles ... or whatever they're called. Its quite small. The calyx (if that's what it is) is about 5mm diameter. Could this be prepped out ? Looks like it would all be there, but quite delicate and tricky to expose. Thanks for looking
  18. 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.
  19. Malcolmt

    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
  20. fossilized6s

    Help with Mississippian crinoid calyx

    I took my 4 year old Son geode and fossil hunting near the Missouri, Iowa, Illinois borders last weekend. We had a blast and found a lot of cool stuff. I found this calyx in the Warsaw formation which is Mississippian. It's obviously not done being prepped, but i figured there might be enough showing to get your opinions. It's actually been quite a challenging prep and may take some time to finish. I was thinking a possible Agaricocrinus sp., but it doesn't quite fit the bill. I can't find anything that looks identical. Any help is appreciated.
  21. I got my hand on a Crinoid calyx from somewhere in Texas (no location attached other than creek), and I’d like to know if this should be prepped any more, and if it is worth seeking professional help (I certainly can’t do it yet). It’s around four inches (I think, it’s not with me right now). Thanks for any advice!
  22. Last weekend, I spent a day at one of my favorite hunting grounds in Alpena, Michigan, on Lake Huron: Partridge Point. (Thunder Bay Formation, Devonian.) There's a lot of fossiliferous matrices in limestone. You also find lots of crinoid columnals. Last year, at this location, I found my first -- and only -- blastoid (Placoblastus obovatus). This time, I walked away with two calyces: I believe the first one pictured here (two images) is Megistrocrinus depressus; the second looks like Dolatocrinus asterias. Have I identified these correctly?
  23. I have found a large rock containing a crinoid calyx. I am deciding whether or not to extract the fossil from the rock it is in and if I do extract it, how should I go about doing that? If you have any additional information you can tell me about this fossil please do so!
  24. Hi again fellow chippers. I broke one of my cardinal rules and did not wash / scrub the chunks before busting them up. This shale is very near the surface so it is covered with a layer of silty mud, dirt and small roots which hides some of the fossils that are on the surface of the natural fissures. I did not notice these calyx's until after I had busted the chunks up looking for my ever elusive complete trilobite. The one has a very interesting pattern within each polygon that I have never seen here before. The other is very similar to the others I've found here. Amazing,
  25. Rocky Stoner

    Crinoid ? or Coral ?

    Hello friends, I found another calyx ....or coral. This one was deep in a split and was not exposed like the others. I lightly brushed the residue away. I left it like this for the pic to maybe aid with ID. I think it would look much like the others if it were cleaned up. If any other views, or exposure would help, just let me know. Its 1.5 inches diameter. Thanks !
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