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Found 274 results

  1. Pennsylvanian Crinoid from Arizona

    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.
  2. 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.
  3. 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.
  4. 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.
  5. Crinoid Cup and Arms

    From the album Mineral Wells, Texas

  6. Crinoids

    From the album Mineral Wells, Texas

  7. Crinoid

    From the album Mineral Wells, Texas

  8. Crinoid in matrix

    From the album Mineral Wells, Texas

  9. Crinoid in matrix

    From the album Mineral Wells, Texas

  10. ID Request

    I found several rocks/fossils in the creek bordering my property in middle Tennessee today. (Mississippian, St. Louis Limestone and Warsaw Limestone) My favorite is a little one which has a few tiny fossils in it. I am particularly hoping to have the area circled in red in one of the pictures identified.
  11. Australian fossil crinoid?

    This specimen was found amongst shells and bryozoans. I am assuming crinoid but my knowledge on them isnt that good. What are the small little worm looking things next to the stem?
  12. 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. @crinus @Crinoid Queen you guys still around? As found Some prep
  13. Possible crinoid stems?

    While on vacation at a (rented) beach house last week, I noticed that the (marble?) kitchen countertop had some interesting shapes contained within the stone. Many of the shapes have the appearance of cross-sections of crinoid stems. I know that marble is a metamorphic rock, so if the original rock had contained fossils, could there still be recognizable remnants of the fossils? Please let me know if I'm thinking along the right lines, and whether these look like crinoid stems to you. The reference coin has a diameter of 21 mm; I have no idea where the countertop rock was quarried.
  14. Possible Crinoid imprint

    OK - here's another one from Cincinnati, possible Crinoid imprint?
  15. Is This A Crinoid?

    Hello, I think this is a crinoid, but am hoping somebody will let me know which type? I found it in a creek in middle Tennessee.
  16. This summer has been great for me. After learning so much about fossils on the forum I decided to convince my wife to make a few side trips on our way from Ft Myers to Shawano, Wisconsin for our 50th anniversary celebration...she has no interest in fossils, but indulges me, so you can see why our marriage would last 50 years. At anyrate, our first stop was the little Conasauga formation near Dalton, Ga...north of Atlanta. I've been there before, and so decided to simply fill a box with pieces of mudstone to take back for door prizes over the year at my local fossil club meetings. That was fun because I know almost every little chunk will produce some nice trilobite fossil. From there I had convinced my wife to stop at the Jersey Road cut by the Harsha bridge over the Ohio River. That road cut is even larger than the well known one I hunt near St Leon, Indiana. I had stopped there because I had read there were edrioasteroids there, it having been part of the sea floor....oops...The road cut , like many, cuts through lots of differernt layers...and is terraced. From the images I had found on line, I decided to hunt the very top section. The formation I was looking for was the Bellevue Formation, but I have no idea where it was. The site was overwhelming...no, that is a wrong word, awe inspiring is better. I didn't have alot of time, so I looked and carried out a backpack of 70 # or so....of layered sections so I could crack them at home. (And that pattern of operation would serve me the rest of the trip as well. ) I will post a few of my interesting pieces for this site on this note, nothing great, but interesting to me. From there, we drove to New Salem Illinois to avoid the Chicago corrider. On our way from New Salem north, I realized we were close to the site of the famous Mazon Creek nodules. Once again, my lovely wife, agreed to stop, but on our way home. We had rented a house on a lake near where we both grew up, and had our children's families come stay with us for a week of fishing, and visiting. Great time. My children live in Michigan and Maine, and my grandchildren rarely get to see their cousins unless we arrange things like this. So it was gratiying to have them all so thoroughly enjoy each other. We had a great time. After the cottage, we decided to head through the middle of the state for a 4 day visit to my sister near Madison. ( me checking out possible future fossil sites and my son-in-law who is an avid bird watcher, hoping to see the endangered Whooping Crane. I had hoped to be able to fossil hunt near Madison and had asked on the forum for help...being told to look along highway J. There wasn't time. Though we did underetake a trip to Cave of the Mounds near Dodgeville, and lucky me, on the way back to Madison, I noticed a quarry by the side of the road. We stopped and I was able to look for a half hour, picked up three stones from a discard pile for inspection and cracking later, and headed on. Leaving Madison the next day, I was excited to be able to visit the Mazon Creek site...I had been told , nodules are hard to find in summer with all the overgrowth, but wanted to make this bucket list stop anyway. Again, as on the Ohio, the site can be overwhelming. Having asked for a good place at the reception desk, and following the advice I had received from the Forum associates, I headed out. Once again, I wish I had someone along who knew what to look for...I mean, when you are picking up rocks to open later, you don't want to pick up and carry a bunch of things that are rocks, and not nodules. To hedge my bet a bit, I decided to crack a few rocks I thought promishing, they looked somewhat like they had layers. If I found something, I'd be ahead of the game in knowing what type of rock to pick up....Success....I cracked a rock along a seam and there inside is "something"....LOL, I know, I know. Can't tell what it is , but it is something, so I picked up a bag of similarly looking rocks and headed back to car to add yet another collection to my growing car rockpile for searching later. By the way, many of you suggested the best time to hunt is in early spring or fall, and that sometimes the workers plow areas to upturn nodules at the Mazon site. Where I hunted was a washout from rain. And the receptionist said the rangers sometimes burn the vegetation along the edges of the ravines at these wash outs so they don't get so overgrown as to prohibit collecting....I came across one such ravine, and could have stayed all day. Well, I am back home safely, now planning my annual trip to the Apalachicola and Chipola rivers to search for Miocene shells. I am back on my home turf and somewhat know what I am doing here. I believe that is one great advantage for the forum as well....that is, to be able to meet someone in another part of the country who is familiar with an area to hunt, and then hunt together. We often see such trips happen, and I am so proud to be a part of a group that accomplishes such service to one another. Now that i am familiar with the areas, I too , may well arrange a trip with a buddy, when I have more time to explore. The few images attached are from the Jersey cut. I thought the crinoid stem, with little bumps around the outside was interested...and the crinoid stem center with stalk material around it was really interesting to me. While it doesn't show in the photo, under my loop, the material around the core is made up of a pattern like that of a sunflower seed head...intricate, and wonderful to contemplate. The other hashplate has those little triangular cross-sectioned needle like pieces...and I don't know what they are. I am hoping someone lets me know. Thanks. (oh, and one Whooper)
  17. what is it?

    i found this eroded out of the limestone bluffs, at first i thought crinoid but i dont see any form of symmetry or hole in the disk. is it something else? maybe a vertebrae? its about as big around as a dime and a few inches long
  18. Sea fan and crinoid?

    It looks like it could be a small crinoid, but the structure next to it has me stumped. Crinoids don't branch off like that, do they? Reminds me a little of a modern sea fan. Probably Michigan/Indiana as usual. (7/8)
  19. Odd plate with crinoid.

    This one has a decent sized crinoid on one side of the rock, but the other has this weird plate. Is it just a different type of rock within the matrix, or part of something else? Probably Michigan/Indiana. (6/8)
  20. Unknown fossil with crinoids

    Time for the second batch of fossils that I've found out on the job. I have four to upload today and this is the first. I think I found this near the Michigan/Indiana border. There are two crinoid columnals in the rock next to the darker structure. Any help would be greatly appreciated, thanks!
  21. Crinoid non det.

    From the album Invertebrates

    Crinoid non det. Early Devonian Early Emsian Bundenbach Grube Eschenbach Germany
  22. 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!
  23. Large Crinoid

    I was out fossil hunting and was seeing some small shells and pieces of small crinoid. Then I came across this giant. It is 2 pieces of crinoid stuck together in matrix. I am used to Cretaceous fossils not Pennsylvanian. Does anyone know if this is large for a crinoid? It is the largest one I have seen but I have only looked for crinoids 3 or 4 times before. Size: Longer one is 16mm in diameter. Smaller one is 14mm in diameter.
  24. Crinoid Part?

    From my new favorite spot I found this weathered out. I think its part of a Crinoid though I'm not sure. Any help would be appreciated.