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Found 470 results

  1. Hi all! Very excited to find this crinoid on the very edge of a cliff and cleaned it just a little to reveal this tiny 4mm wide trilobite pygium right next to it. Using Missourian's key, I think the crinoid is Aglaocrinus ? The trilobite doesn't look exactly like the pygidiums I have of Ameura so not sure on that one - thoughts? Am I close? Should I try to clean more of the crinoid? The piece is only another inch or two thick. Thanks for any help!! Bone
  2. Good day. In this topic, I will display fossils that I found interesting. Some of them were found by me, but most of them were obtained by exchange or bought. I have already exhibited this coprolite in another topic, but I want to duplicate it here. This is my personal find, and it is interesting because on its surface many scales of the Senomanian fish have been preserved.
  3. Crinoid cup?

    Trying to find alternative ways into a remote spot that I call "Bucket of Crinoids". I could conservatively guess billions of bits of crinoids stems but never any calyxes for some mysterious reason. Until today. Maybe. Although this is tiny and split by geologic forces it appears to be a crinoid cup view of a small calyx. As I've never actually found a cup before I would appreciate some guiding thoughts. Diameter would be 15mm maximum.
  4. I wanted to show a fossil I found years before I ever joined this forum or took a step in the Cretaceous brooks. This is a Crinoid specimen I found about 20 years ago at the Delaware River in Burlington City, NJ when I was a kid. The Deleware River has a good amount of fossils brought down here from the glaciers. At the time, I did a horrible job prepping (if you can even call it that) this fossil and pretty much destroyed the middle of it. A few months ago, I re-discovered this in a closet at my parents' house. I took some time, polished up the middle, did a little trimming, and now I'm actually quite fond of this so I figured I would show it off! Have a good winter season of collecting everyone!
  5. Simple marine fossil ID assistance please

    Hello! These aren't my pictures but I was given permission to post them to hopefully get an ID. I think #1 is crinoid stem, and #3 I was thinking some kind of brachiopod possibly? Thanks in advance!
  6. Hi. Could I have help with ID on these. they are all from the same small patch beside the road at the eskine range. WA.
  7. A few crinoids

    I preface this by saying I'm not a crinoid collector, nor someone who has the foggiest idea of how to prep them effectively. If I encounter one that looks relatively complete, I'll bring it home. I focus prep on trilobites mostly, and there is a thread where I park those. It's been a busy week at the bench, and I thought I'd close it out with one finished piece, and one that is halfway done. First up is the finished piece. I didn't take a before photo for some reason, but these appear as faint traces in this material. This one is an Ectenocrinus. It already had some damage in the field up at the arms.
  8. New to fossil hunting

    Hello, new member hoping to get ideas of what this is, thank you!
  9. IMG_9368.jpg

    From the album The Waldron Shale

    Middle Silurian crinoid Eucalyptocrinites crassus from the Waldron Shale. Collected and prepared by Ken Karns. Specimen measures approx. 12" on a matrix slab measuring 14" x 6.5".
  10. Today's the first nice day we've had all week here, and on top of that lucky I got the rest of the week off of work. I decided to go out and search for crinoids for a few hours. Last time I went out I did recon on a favorite spot of mine, and I would say that effort paid off today. I ended up hitting a new section at the area that is usually underwater. Well anyway, heres the finds. Only about half are cleaned up. Starting with Azygocrinus rotundus Macrocrinus verneuilianus Uperocrinus pyriformis Actinocrinites multiradiatus Eutrochocrinus christyi Crinoid calyx (chert layer, unidentifiable) Uperocrinus sp? I also found a very unusual blastoid steinkern with an unusually long thin body. It's from Burlington chert, and I believe it to be a Metablastus lineatus steinkern. Will never know though. Well that's all I dragged home today. Hope you all have had a great Thanksgiving today if you celebrate it.
  11. One of the nice things about being on the team to design a new facility is you can get what you want. All retaking walls and benches are locally quarried Stoner Limestone from Weeping Water, Nebraska. I can’t wait to get my scribe and chisels out...
  12. Pennsylvanian Fossil ID

    Hi everybody, I was wondering if you could help me with this. I found this rock among the Ames Limestone around Pittsburgh. The limestone's chock full of crinoids and corals, but I wasn't sure what this fragment was. It looks like it might be from a cephalopod (belemnites or bactrites maybe?), but I'm really not positive. Could you guys help me out here? Thanks!
  13. I'm slowly making my way through finds from the summer and have come across a couple specimens I don't recognize. The first one is from the Platteville Formation of SW Wisconsin (Middle Ordovician). The second one is from the Maquoketa Formation of NE Iowa (Upper Ordovician).
  14. My crinoid fossils

    Species: Cyathocrinites kelloggi & Macrocrinus mundulus Age: Carboniferous (Mississippian) Location: Witherspoon Quarry, Crawfordsville, Indiana Formation: Ramp Creek Limestone Size: Cythocrinites 2.6"
  15. Hey everyone, just wanted to start a mini discussion about this. I just find it weird that there are tons of fossil clusters consisting of just stems. Then occasionally you see a full crinoid fossil with the stem and crinoid itself. So my point is that usually you see a cluster of stems or just one crinoid with a single stem. How come these clusters with tons and tons of stems dont contain the organisms and just the stems? The obvious answer would be difficulty in fossilizing. But it just doesnt make sense as you would think you would see more in these stem clusters.
  16. I enjoyed an autumn drive through the rusty-red-colored oak forests that blanket the scenic mountains of northeast West Virginia. Two inactive quarries enticed me to prospect a bit. In the first quarry of Ordovician age shaly limestone was this graptolites plate .... perhaps Climacograptus? In the second quarry of early Devonian age massive limestone was this crinoid column base with the attached holdfast. Both specimen photos are as found.
  17. Whitby area finds

    As the current lockdown has no restrictions on exercise we took ours today on one of our favourite stretches of the North Yorkshire coast. It was slim pickings to begin with but eventually I had about as much in my bag as I could carry. A fresh fall offered up some nice Eliganticeras and we found plenty of the usual Dactylioceras too, but there’s a couple of things that I’d like your opinions on; the first is a possible crinoid that I’ll put in the replies below...
  18. Have been under the radar a bit here on the forum, but plan to get more involved. Talk about involved!...the specimen featured here has been sitting in my shop for a number of years. As I prepared numerous Waldron specimens from my huge stock of unprepared material, I kept thinking and planning the preparation of this piece. This specimen was collected from the Middle Silurian Waldron Shale Shelby County, Indiana. The crinoid was found on the floor of a bench of Waldron Shale with only the very top of the crown exposed. So, the crinoid was in situ. From what was exposed I could see that the inner arms were missing. I could see two support arms with no inner arms. Being quite familiar with the Waldron, this is to be expected in many cases. The high energy of the Waldron environment caused the toppled specimen to be "re-worked" by currents thus uncovering the crown and allowing for the inner arms to disarticulate from the specimen. So, I cut the piece out with my rock saw from the exposure floor and brought it back to my lab. The specimen broke prior to removal about 2/3 of the way down from the crown so I could see the cross section of stem so knew approximately how long the stem was. The stems get smaller diameter as they move away from the crown. Firstly I glued the two pieces back together with 5 minute Epoxy. I then pulled a thin piece of Waldron Shale from my stock (I keep nice thin, clean pieces of shale I come across when collected to back specimen), carved out a depression the size of the exposed calyx andf then glued the thin piece of shale right over the crinoid slab. I then cut the piece I glued on to the same dimension as the original slab...still with me? Lol. Now comes the INVOLVED part I was referring to at the beginning! I had already marked on the back side of the now sandwiched crinoid approximately where the crown was. I then proceeded to prepare the specimen from the other side, which was the downside of the original toppled specimen. This side would likely have remained buried and thus fully articulated...I hoped!...Once I carefully found the crown, I prepared it first and as predicted it was wonderfully intact save for half of one inner arm...Hey, I'll take it. What followed can only be imagined by looking at the picture featured below. Hours and hours of work exposing the crown and stem with an ever watchful eye for additional taxa, very often associated with stems of the Waldron Crinoids as secondary tier inhabitants. The most common are the Rhynchonellid Brachiopods, note how the pedicle of the brachs are facing the stem. A couple of small gastropods and bryozoans round out the additional taxa exposed thus far. Specimen measures just shy of 12 inches long with the stem (rule is 15 cm.) Note the multiple scribe marks. The specimen was exposed initially over 1.5 cm below the surface. The marks are where I'm leveling out the surrounding matrix so the specimen doesn't sit in a trench. This will all be painstakingly smoothed out and contoured. Also, note the crack line through the stem towards the bottom. Close up view of the business end of the crinoid. Despite what it looks like now, this will be a beautiful specimen once completed. I will keep you updated on the progress.
  19. So i might soon be heading to a silurian site. It has shells trilos crinoid stems. But i would really want to find a complete crinoid. Any tips how? Split rocks open? Look in areas where theres alot of crinoid stems?
  20. Hi all, I collected this lovely crinoid calyx stuck in a Favosites sp. from the Fern Glen Formation in Imperial, Missouri (Mississippian, Osagean Series). My guess is Platycrinus stellatus (based on Weller, Stuart, Kinderhook faunal studies; V, The fauna of the Fern Glen Formation. Geol. Soc. Am., Bull., vol. 20, 265-:332, (1909)) but I would prefer some more opinions since I'm new to paleozoic strata. On that note I would also welcome learning references on crinoids, especially regarding the Mississippian and Pennsylvanian. Thanks for any help or information. -Tom
  21. Is the a Saccocoma?

    Hi all, I was playing with my poop a while back, as one does, and discovered a hidden treasure. I prepped out what I think is a nice little floating crinoid. It looks beefier than the Saccocoma in my collection. Can anyone verify that is what this is? Thanks a bunch!
  22. So I have this rock.....

    I use to find crinoid fossils by the hundreds when i was a kid, though I thought that they were worm fossils. No such thing as Google or even home computers then. I found this fossil about a year ago and if it is truly a crinoid, it is without a doubt the largest that I have seen.
  23. 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?I have tried to identify it, but I am stuck. Your thoughts?
  24. I am learning to pick apart the items I find in the limestone fossiliferous rocks from my yard, but I see some things here that I am not familiar with. What is the tubular item at the bottom of the photo? And what are the tiny round black things? They look like poop, LOL! One of them is inside of a crinoid fossil, but it may have fallen there? This was found in Madison County, Alabama. I find fossiliferous limestone mostly with fenestellan bryzoan fossils, crinoids, coral, etc. Thanks! Ramona
  25. I clean my fossils with normal soap and water using a toothbrush. But this time i think i broke a piece of a really Nice crinoid stem. Either that or im just overthinking like i have done before. But the question is what matrix is Good for cleaning and whats not. The crinoid was not in any matrix. There was a mix of shale and limestone there. I know shale is not good to clean with water. I got some horn corals that are kinda muddy. No matrix but it wont easily get off the fossil. Well after the crinoid im not sure if i should use soap and water. What other things can i use? Anyways heres the crinoid. And how can u know a old damage from erosion or a fresh damage? Sorry for all the questions and long text
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