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  1. From the album: Westphalian cretaceous fossils

    Together with sponges like Coeloptychium and others you can find sea-urchins in the campanian of Coesfeld. Normally you´ll find Echinocorys, Micraster and other irregular forms. Rarely regular ones like Salenia or Phymosoma. A nearly perfect one comes from Coesfelder Berg, size is around 6 cm, the best i´ve ever found
  2. FF7_Yuffie

    Tiny Taiwan fossil - sea urchin?

    I found this last weekend, but had it put aside until now. It is from the miocene marine outcrops of the Dahan River. Now, this is tiny--we are talking 2mm in diameter. It's something, it stands out among the rock. But I am not sure if it is an extremely small sea urchin or not. I hope the pictures help. It was tricky to take a picture of because of its size. It's small, circular, with tiny ridges on each side.
  3. Caaaleb

    Possible Cretaceous Sand Dollar

    I found this Echinoid a bit over a year ago in a creek in the DFW area of North Texas. I found this in the Washita Group of the Cretaceous. I thought this was a sand dollar, but I recently learned that sand dollars did not appear until the Ice Age era. I posted a question regarding the Echinoid on the discussions section of the forum and was told it was not a Sand Dollar. Anyway, I would like to know the species and classification of this flat Echinoid if anyone may know. I've never seen any Echinoid like it.
  4. SafariSam

    Sea Urchin ID Needed

    This is at a museum gift shop so I can't measure or give you the location found sadly. Seems like a sand dollar of some kind. Not really my speciality. Can anyone help me find the specific species? Thanks!
  5. historianmichael

    Crinoid Plate

    From the album: C&D Canal Micro Fossils

  6. I_gotta_rock

    Echinoid (Sea Urchin)

    From the album: Delaware Fossils

    Phymosoma sp from the C and D Canal in Delaware. Late Cretaceous
  7. Found these fossils: one sea urchin, belemnites (mainly Belemnella (Pachybelemnella) obtusa (Schulz, 1979) and/or sumensis and Belemnitella cf. minor II (Christensen, 1995) and one oyster (Pycnodonte vesicularis (Lamarck, 1806). Could anyone help me to determine the sea urchin? I think Hemiaster aquisgranensis (Schlüter, 1899)? Found in the ground around the Gulpen Formation (Cretaceous, late late Campanian, early Maastrichtian).
  8. Tetradium

    Nortonechinus primus

    From the album: Lime Creek Devonian Rockford Iowa

    Nortonechinus primus a sea urchin - I suspects the spines is a bit more common than people thought but still rare. More overlooked due to its small size and resembles broken golf tees.
  9. historianmichael

    Boletechinus delawaricus

    From the album: C&D Canal Micro Fossils

  10. 0sprey

    Mysterious Basement Fossils

    My mother recently moved into a home in Shepherdstown, WV and when I mentioned I'd gotten into fossils recently she said the previous homeowner had left some fossils in the basement and that I could have them if I wanted. These have absolutely no provenance, I assume they're not from the area, but I think they're neat and I was just wondering if they were complete/distinctive enough to be identified. Also, is there anything I should do to clean them gently and keep them preserved? I have no experience with this type of fossil. There are 2 sea urchins and 2 shells, the larger sea urchin is
  11. JeffTX

    Cyprus Sea Urchin

    Presented for discussion is my 1975 find from the southern cliff side Cyprus coast about 100 meters above sea level. Specimen is larger than a baseball but not as big as a softball. Although it has survived seven household goods moves I would like to stabilize it before any further deterioration. I will check the posts on stabilization but any expert comments would be appreciated !
  12. Bonehunter

    Pennsylvania microurchin?

    I put this on the general forum as well, but this is probably more appropriate!! In my search for conodonts in Pennsylvanian stark shale (between Winterset and Bethany falls limestone) I routinely find concretions/nodules-most are powdery but sometimes i find teeth and other microfossils. Well much to my surprise, upon splitting my thousanth shale, I found a 1cm nodule, and within it, this apparent micro sea urchin-one of two in the nodule. From spine to spine (7:00-1:00) it measures just under 2mm in diameter I am refining my photog techniques with a newly purchased leica M420,
  13. Lone Hunter

    Please confirm baby Echinoid

    Now that I have a loop I am 're-discovering' things I have collected, like this which I dismissed as a concretion or nodule. Now I see a an Echinoid right? Can't remember exactly where I found it it's been so long, somewhere in Eagle Ford. Is there enough of it to identify?
  14. I_gotta_rock

    Boletechinus Sea Urchin

    This specimen comes from the 1980 dredge spoils of the C and D Canal. The type specimen for this species comes from the Navesink Formation exposure of the same canal, not far away. Known by locals, it was not actually described until 1986. Although not the most common of species at this locality, and almost unknown outside of Delaware, these miniscule urchins were nonetheless plentiful at the Reedy Point spoils. Recent excavation for barrow removed most of the sand where my specimen was found.
  15. Bonehunter

    Pennsylvanian microurchin

    I put this on the microfossil forum as well, but wanted to give a look-see to this intriguing fossil! In my search for conodonts in Pennsylvanian stark shale (between Winterset and Bethany falls limestone) I routinely find concretions/nodules-most are powdery but sometimes i find teeth and other microfossils. Well much to my surprise, upon splitting my thousanth shale, I found a 1cm nodule, and within it, this apparent micro sea urchin-one of two in the nodule. From spine to spine (7:00-1:00) it measures just under 2mm in diameter I am refining my photog techniques with a
  16. Hi there folks, I need help and advices on how to prep some echinoids that I have found on calcarenite matrix. I am new in fossil prep plus I know these kind of calcarenites are very sneaky to treat. In the picture below there is a Scutella subrotundae before and after a quick prep-test I did with a couple of nails. The problem now is to take away the sand grains very close to the shell. Which technique should I try to follow now? I am thinking to the digestion in cold acetic acid, which I know it is used to extract microfossils from limestones and calcarenites, but I do not know i
  17. I_gotta_rock

    Tiny Sea Urchin

    From the album: Delaware Fossils

    So sweet! This is a very rare Cretaceous echinoid (sea urchin), Boletechinus. They are typically no more than a couple mm in diameter. This one is shown next to a pencil eraser. Most of the ones in the Smithsonian's collection come from sand and silt removed for the creation and maintenance of a canal, which exposed fossils well below the surface. This one comes from New Castle County, Delaware.
  18. sixgill pete

    Arbacia improcera

    Self collected from an exposure along the Neuse River in Craven County N.C. While I have found many fragments in the past, this is the first complete specimen I have found. A rare find in the Yorktown Formation. References: Upper Miocene Echinoids from the Yorktown Formation of Virginia and Their Environmental Significance, Porter M. Kier (1972). Smithsonian Contributions To Paleobiology, Number 13. Pgs. 8-9. Plate 1. Echinus improcerus Conrad, 1843a: 310. Psammechinus improcerus.—Stefanini, 1912:705. Coelopleurus improcerus.—Clark and Twitched,
  19. Thought I would share a few specimens that made it to the National collection in Denmark. Back in 2017 I found a Cyclaster sp. from a site in northern Jutland primarily known for it's commonly found Echinocorys sulcata. Out of around 150 primarily fragments found of Cyclaster sp. , roughly 5 were complete and only one fully inflated. Considering that they go through a rough process - First the material is excavated from the walls using a hydraulic excavator, then the material is spread out on the "floor" of the quarry and turned multiple times to reduce the
  20. davidsf

    Crocodile Egg or Sea Urchin?

    During a trip to Egypt I found this potential fossil near the city of Aswan between the banks of the Nile River and Sahara Desert. I had thought it might have been a meteor and the sand fused around the meteor due to the Intense heat. But, I tested it with a magnet but there was absolutely no attraction. Therefore, I thought it might be a fossil given that I read about many fossils being discovered in the Sahara and the composition does appear to be any rock or stone that I've ever encountered. I assumed crocodile due to the spiky and bumpy texture, along with the historic prevalence of crocod
  21. Here are my new fossils! And how my collection looks now. For size comparison the enchodus tooth to the right in the picture of the entire collection is 5,6cm long (2.2 Inches long)
  22. Bonehunter

    Echinoid spine or crab leg?

    So-this collected yesterday in the Kansas City area again, but not sure what "layer" as the road cut was a jumble of mixed rock. My first thought was sea urchin spine, but I see only one row of spines, similar to what you see on many crustaceans; even though it is half-buried I thought sea urchin spines had generalized "points"?.... thanks again for all your patience reviewing these! Bone
  23. Found this after the huge rain a couple miles from the ocean in Cardiff California. There are sandstone hills nearby and I'm also trying to classify what may be a fish. Is it an urchin? Or a barrel cactus. Thanks in advance
  24. Hello members of TFF I'm looking for echinoids (sea urchins/sand dollars) to increase my collection of this kind of fossils. I'm interested in all kind of echinoids but what matter for me its the state of conservation. I have for trade several types of fossils from miocene (shark teeth, bivalves, gastropods...), cretaceous (echinoids, bivalves, gastropods) and Jurassic (echinoids, brachiopods, vertebrate material...) Thanks Vieira
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