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Found 57 results

  1. 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
  2. Cystoid and coral?

    Hello friends and TFF family! Another little palaeozoic problem. This was given to me back in the mid 1980s and was said to be from the Pentamerus Grits of Newlands, Girvan, Ayrshire, Scotland. Brrrrrrrr!!!!!! I have it marked down only as "Cystoid?" and it may well be. The hexagonal patterned bit down the edge of the rock including the smooth shell like piece is 2.2 cm long. Bad picture. Here is a better close up. You can kind of see above that the hexagons are lying on the surface of the smooth bit, which i once thought was a bit of Pentamerus oblongatus but now think it may be some sort of inner layer of the fossil to which the hexagons are attached. Clearer below : Any ideas would be most welcome! @piranha @TqB
  3. Could use some help on these 0.5cm - 1cm invertebrate(?) conical spines in the well known Salem Limestone, a marine limestone of the American Midcontinent. They appear to be solid calcite but do not quite match up with the shapes of crinoid spines and echinoid spines that I know from the Mississippian. I have looked at umpteen Salem Limestone samples but have seen these spines at only one small locality. Any insights appreciated! but please provide your reasoning or evidence.
  4. Waldron mystery fossil

    I picked up this weird fossil at the quarry in St Paul, IN last year, found as is: on the ground, split in half. It seems to be studded with crinoid holdfasts and bryozoan encrustations. Any ideas what it is? Under magnification it is a beautiful specimen. Also, I'm tempted to sand/polish one of the halves to possibly bring out some details. Would this be advisable? Thanks for any help.
  5. All specimens come from the Devonian aged Arkona formation. 1. Echinoderm, possibly a blastoid Tried taking another pic...still not quite sharp 2. Unknown, possibly bryozoans (remainds me a bit of Evactinopora) 3. Unknown, probably the inner structure of ostracods With these being the outer shell: 4. I posted these about a month ago but I don't think we figured it out. Now I am pretty sure they are scaphopods.
  6. I am going through and sorting out fossils that I collected on a number of road trips that I did this year. I am looking to see if someone, maybe @Peat Burns or @Herb , with experience in the Ordovician from St. Leon, Indiana can confirm what I think may be a couple Edrioasteroid (Isorophus cincinnatiensis).
  7. From the album MY FOSSIL Collection - Dpaul7

    Pentremites Blastoid echinoderm fossil Kentucky, USA Early to Middle Carboniferous, from 360.7 to 314.6 years ago Blastoids (class Blastoidea) are an extinct type of stemmed echinoderm. Often called sea buds, blastoid fossils look like small hickory nuts. They first appear, along with many other echinoderm classes, in the Ordovician period, and reached their greatest diversity in the Mississippian subperiod of the Carboniferous period. However, blastoids may have originated in the Cambrian. Blastoids persisted until their extinction at the end of Permian, about 250 million years ago. Although never as diverse as their contemporary relatives, the crinoids, blastoids are common fossils, especially in many Mississippian-age rocks. Kingdom: Animalia Phylum: Echinodermata Class: Blastoidea Order: Spiraculata Family: Pentremitidae Genus: Pentremites
  8. From the album MY FOSSIL Collection - Dpaul7

    Pentremites Blastoid echinoderm fossil Kentucky, USA Early to Middle Carboniferous, from 360.7 to 314.6 years ago Blastoids (class Blastoidea) are an extinct type of stemmed echinoderm. Often called sea buds, blastoid fossils look like small hickory nuts. They first appear, along with many other echinoderm classes, in the Ordovician period, and reached their greatest diversity in the Mississippian subperiod of the Carboniferous period. However, blastoids may have originated in the Cambrian. Blastoids persisted until their extinction at the end of Permian, about 250 million years ago. Although never as diverse as their contemporary relatives, the crinoids, blastoids are common fossils, especially in many Mississippian-age rocks. Kingdom: Animalia Phylum: Echinodermata Class: Blastoidea Order: Spiraculata Family: Pentremitidae Genus: Pentremites
  9. Need a cidarid echinoderm ID

    I found this little jewel a while back, but never found out what species it is. Can anyone tell me what genus species it is? This is a close up of an ambulacral and pore area. I don’t think I can get much better on the close up picture quality. I do have a number of pics from other angles if needed. Thanks in advance for your input.
  10. Nucleocrinus powelli REIMANN, 1935

    Found as surface float at the bottom of the Windom exposure. Reference: Wilson, K. A. “Field Guide to the Devonian Fossils of New York” (2014). Paleontological Research Institution Special Publication No. 44.
  11. Camptostroma roddyi

    From the album Echinoderm Collection

    Camptostroma roddyi (Hundt, 1939). Kinzer formation, Bonnia-Olenellus Zone, early Cambrian. Found in Lancaster County, Pennsylvania, US. Bought as Ebay purchase. This animal is about 4cm in diametre. An early Cambrian echinoderm that is called a stem echinoderm as it is said that many types of echinoderms arose from this animal. This species is the only animal in the family of its own, Camptostromatoidea.
  12. Thought I would share a few things that I collected during a short trip into the Waccamaw Formation in south eastern North Carolina on Saturday. We only spent about 2 and a half hours at the site but some really nice items were found. First a Melitta cf.M. aclinensis. Usually the sand dollars are found only as isolated pieces at this location, occasionally a whole one is found on matrix that is crushed and broken. However I found this complete unbroken one on matrix and another person found a complete unbroken one without matrix. I have started prepping this one out since the pic, it is coming along nicely. Another Melitta sp. I found. Cannot ID for sure as to species as it is broke, but complete and covered with matrix. Will also prep this one out as much as possible to try to ID to species. Next a block of matrix containing a rare Rhyncholampas sabistonensis echinoid. This is an irregular echinoid from the Pliocene / Pleistocene. I have found pieces of these before(and one today) but this is my first complete one. Even crushed and in poor shape I am happy with the find. Top of the matrix the echinoid itself and the bottom I am going to try and expose as much of this echinoid also. Without making it come apart. Double valve bivalves for the day .......
  13. I found something !

    Hello everyone !. I found this near the same place I found a vertebrae of a whale.I made a search in Google, and I think is a echinoderm fossil.What do you think? Am i absolutely wrong? Salutations!
  14. Hi all! Under the presumption these are echinoderm I've been searching for anatomical features, particularly disarticulated crinoid and archaeocidaris of which both are plentiful in the matrix. In my searching I've been unable to find anything that even remotely resembles these pieces. Any input is much appreciated. Plattsburg fm. - Hickory Creek sh. I attached a group photo of some of them I found, followed by 4 select specimens showing each side front and back. For scale, field of view is ~1cm. Group shot Front Back Front Back Front Back Front Back Thank you all!
  15. Fossilzed echinoderm spine?

    Hello, found this in northern Puerto Rico - middle to late oligocene limestone. Am I correct on the ID? thank you
  16. My boyfriend and I went out to the research pit in Waco today and I found a large urchin. The problem is that it's been crushed, more or less. The mud under it is not fossilized, so it's pretty likely that it will fall apart into lots of little pieces if I handle it too much or try to take off excess mud. I guess I have several questions about this. - Is it worth even trying to save? I was pretty excited to find one this big - it's about 4" in diameter - and after many hours of hunting, never found another one in any condition of any size. I don't expect it to be worth anything monetarily-speaking, but want it just for my own enjoyment. - I've read about a few plastics (I copied the names from another post but now it's not letting me paste them) that others have used for preservation. Any clue as to whether or not it would work in this case? - Has anyone had a fossil in this condition and tried to rescue it? How did it turn out? Thanks in advance. I love how helpful and knowledgeable this community is. Y'all are really great! I've attached a photo to show condition.
  17. echinoderm

    Any help with this would be appreciated.Found in a quarry in Rockford, Illinois. Ordovician Galena group Thanks
  18. Group of Echinocorys gravesii 1

    From the album Haute Normandie - may 2017

    A group of Echinocorys gravesii , an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - Coniacian
  19. Group of Echinocorys gravesii 2 - view 2

    From the album Haute Normandie - may 2017

    A group of Echinocorys gravesii , an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - coniacian
  20. Group of Echinocorys gravesii - 2 -view 1

    From the album Haute Normandie - may 2017

    A group of Echinocorys gravesii , an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - coniacian
  21. Echinocorys gravesii 5

    From the album Haute Normandie - may 2017

    Echinocorys gravesii, an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - coniacian
  22. Echinocorys gravesii 4

    From the album Haute Normandie - may 2017

    Echinocorys gravesii, an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - coniacian
  23. Echinocorys gravesii 3

    From the album Haute Normandie - may 2017

    Echinocorys gravesii (flint one), an irregular ursin from Veulette-sur-mer, Normandy - Cretaceous - Coniacian
  24. Echinocorys gravesii 2 - view 3

    From the album Haute Normandie - may 2017

    Echinocorys gravesii, an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - coniacian
  25. Echinocorys gravesii 2 - view 2

    From the album Haute Normandie - may 2017

    Echinocorys gravesii, an irregular ursin from Les Petites Dalles, Normandy - Cretaceous - coniacian
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