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Found 12 results

  1. Belochthus orthokolus

    From the album Echinoderm Collection

    Belochthus orthokolus (Bell, 1976). Found in the Verulam formation, Gamebridge, Ontario, Canada. Middle Ordovician. Obtained online as a purchase. The edrio is about 1.8 cm long.
  2. Disk Thingy Part 2

    My brother found this object in a park in Hamilton New Jersey. The rock from this area is mostly from the Jurassic and Cretaceous, but there is a small bit of rock from the Cambrian. This is the second category of disc-shaped fossil that I discussed in the first thread. There are several separate objects within the small rock, which looks somewhat similar. They are different from all of the other objects, which turned out to be imprints from crinoid stems, because they have 5 or less sections within the disk. One of my guesses is that they are some kind edrioasteroid (I'm probably wrong). The first photo shows what I think are the different samples. I will upload more photos soon. I hope that you can identify any of the tiny objects. Thank you in advance.
  3. Possible edrioasteroid ID

    I took my daughters for a short fossil hunt at Trammel Fossil Park. It was about 33 degrees out so they got cold and went back to the car fairly quickly. I would say it was about a 45-minute hunt. They have the formation levels marked at the Fossil Park so I would say I was at the Miamitown level when I found what I think is an Isorophus cincinnatiensis edrioasteroid. Attached are some photos including one next to a 1-inch cube. I also have a small cheap in microscope attachment for my my phone and took a couple pictures of the peripheral rim.
  4. ID please - Ordovician - Edrioasteroid?

    Hello. I'm attaching two photos: #1) an image of a "Rare Primitive Echinoderm (Edrioasteroid) from the Upper Ordovician of Ontario, Canada," from the following fossil website: https://www.fossils-uk.com/product/new-rare-primitive-echinoderm-edrioasteroid-from-the-upper-ordovician-of-ontario-canada-sku0918-isorophuella-incondita/ #2) a fossil that I found that looks similar and is about the same size as the Edrioasteroid from #1. Is it possible that my specimen (#2) is this Edrioasteroid? Thanks for any assistance! Camille
  5. Belochthus.JPG

    From the album Northern's inverts

  6. Cryptogoleus chapmani.jpg

    From the album Northern's inverts

  7. Edriophus levis.jpg

    From the album Northern's inverts

  8. Made the trip over the weekend. Will post more when I get home. I will start out with this find. Large edrioasteroid species sophusella incondita found at JD Quarry in Ontario Canada Sunday morning. 9/24/17. Ordovician.
  9. A first for me

    Well I was out hunting the Ordovician on Saturday and as it turns out I had a pretty awesome day. I found a plate with 5 flexicalymene trilos on it all essentially complete , a cyclocystoid complete with central plates, a partial piece of a cleiocrinus, a pleurocystites, a complete prone ceraurus with at least 5 small crinoid calyx on the plate, a bit mangled enrolled isotelus, a calyptalaux . You can see that fossils when they are found in the field are often nothing special to look at. Note that in the field I always circle what I am interested in with black sharpie marker (never leave home without one ) Many times I look at what I brought home weeks later and it really helps to know what caused me t carry it back to the car with me...... I also write the location and the date on the back because it is often weeks or months before I get to looking at them after getting home. However what got me excited was the rock 2nd from the top of this group but one that had just the faintest sign that it had something that looked like an echinoderm in it. Not much to look at and barely noticeable in the filed.All the pictures that follow are of approximately the same orientation as the original unprepped picture. Here it is under better light and closer up. After a while prepping I realized that I had something special Getting even more special Starting to look quite cool All done and the first ever Edriophus levis (Bather) for me and it is essentially complete. It is about 1 1/2 inches across. There were a few found a few years back but this is the first I have seen in quite a while. Not exactly common......`These are quite rare and are found in both the Bob Caygeon and the verulam formations of Ontario. Note that the arms curve clockwise which is one of the distinguishing features , Lebitodiscus curves counterclockwise. It would also appear that the arms go further down the sides than Foerstedicus. The anus is composed of 9 to 15 triangular plates which you can see broken up on this specimen. Really had no clue what it was when I found it in the field. I thought it was going to most likely be a crinoid calyx... Was a very nice surprise. As you can see from the last picture the specimen is sitting free on its original matrix. The reverse has also been prepped and is hollow with some plates visible. Unfortunately I did not take a picture of the underside yet. Maybe will try to do when I get a chance. But have a lot of really neat material under prep right now ... have spent 10 hours a day prepping material in the last few days ... If I can keep up the pace for a few weeks I can start to get my head above water.......
  10. Bellvue Echinoderms

    Last November, my wife and I went collecting in northern Kentucky. We had visted a Richmondian site and were on our way back, when we happened to see a random road cut and decided to pull over and have a look. It was composed of blocky limestone rich with Vinlandostrophia ponderosa, and turned out to be part of the Bellvue Mbr. of the Grant Lake Fm. Within about 10-15 minutes, my wife found her first cyclocystoid, and I found my first edrioasteroid. As far as rarity, I'd say she definitely outdid me! These fossils got our hopes up for more, but the rest of the day plus a second trip with friends failed to find any additional echinoderms. My wife's cyclocystoid measures about 12 mm in diameter. We don't know the species yet, but we are planning to meet with a paleontologist in Cincinnati soon to ID it. My edrioasteroid is Isorophus cincinnatiensis, measures about 17 mm in diameter, and is upside down and partially broken. Jack Kallmeyer of the Dry Dredgers suggested it was likely attached to a clam during life, which then dissolved away after burial, leaving the underside exposed.
  11. A Little extra Baggage

    Sometimes you get a very pleasant surprise when you get your finds home and start prepping. I was very fortunate to find two relatively complete Amecystis laevis this Saturday October 31, 2015 up at the JD Quarry near Lake Simcoe, Ontario , Canada. They most likely came out of the very top part of the BobCaygeon formation as they were both found in a recently created pile and not in situ. If not it was from the very bottom of the Verulam This picture because of the lighting used came out a bit blue. I am not the best photographer around. The specimen is on an 85mm * 66mm matrix and is 79 mm long from tip of arm to tip of tail (about 3.1 inches) . The theca on the amecystis is 17mm wide by 22 mm long. The Amecystis is a dorsal orientation. The edrio is approximately 6 mm in diameter. I believe this to be a Amecytis laevis (Raymond) by the way Thanks for the correction Kevin (Northern Sharks) there are definitely no pore rhombohedrons on this specimen. It is a shame that the Amecystis and the edrio both have some slight damage to them from the quarry blasting. But they are still very good specimens. The amecystis is fairly well inflated and nicely colored. Here is a better picture showing the true coloring. But to my surprise it has a very nice attached travelling companion in a edrioasteroid which I believe to be an Isorophusella incondita. What makes this super interesting and probably quite rare is the fact that the edrio is attached to the amecystis and may well have been there when the amecystis was alive. I wonder if anyone else has ever come across this particular association. Edrios are often found attached to brachiopods in this locality. This was prepped using 40 micron dolomite under a zoom scope at 22 PSI using a Comco .018 high precision nozzle on a Comco air abrasion unit.
  12. A couple years ago, my father picked up an Edrioaster sp. in the Galena Formation of Southeast Minnesota. What makes this specimen interesting is that it was preserved fully inflated and showing the holdfast and the outline of the structure it was attached to. We got the specimen back at MAPS this past year after having it prepped and I finally took some photos of it. I just hope I got the genus ID correct. Edrioaster sp. Galena Formation, Prosser Member Ordovician, Trentonian Southeast Minnesota Anotated Feel free to post photos of your Edrioasteroids!
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