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Found 10 results

  1. Tidgy's Dad

    ADAM'S SILURIAN

    Hoooooooooooorrrrrrrrrrrraaaaaaayyyyyyyyyyy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Here we are at last, into Adam's Silurian. Thanks for looking. First up is the Lower Silurian or Llandovery and I begin with a problem. I posted this one incorrectly in Adam's Ordovician as it had got it's label muddled up with an Ordovician Favosites I had that has vanished in the move here, but is being replaced by kind forum member @Herb Anyway, this, I remember now I've found the correct label, is from the greenish Browgill Formation, part of the Stockdale Group from a cutting near Skelgill (Skelghyll) in Cumbria, Northern England. It seems to be a tabulate coral, but I can't find any listed for this location, only mentions of small, rare, rugose corals. It has the star shaped corallites of a Heliolitidid, but seems to be tightly packed together like a Favositidid. A couple of species of Palaeofavosites seem to be close and are a bit star-shaped,, but anyone know any better? @TqB@piranha hmm who else? The coral bit, an external mold, is a maximum of 3.5 cm across and each corallite up to 2 mm.
  2. bockryan

    Brachiopoda

    From the album: Fossil Collection: DC Area and Beyond

    Brachiopoda Cumberland, MD Rochester and McKenzie Formations Middle Silurian
  3. bockryan

    Holocystites sp.

    From the album: Fossil Collection: DC Area and Beyond

    Holocystites sp. Napolean, IN Osgood Shale Middle Silurian
  4. bockryan

    Cephalopoda

    From the album: Fossil Collection: DC Area and Beyond

    Cephalopoda Cumberland, MD Rochester and McKenzie Formations Middle Silurian
  5. Jessicapine02

    Identifications of the Ross Formation

    These are all of my unidentified fossils from my trip to the Ross Formation in Sugar Tree, Tennessee. Most of the fossils found were Brachiopods, Crinoids, Trilobites, and Horn Corals. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
  6. Jessicapine02

    Identification Near the Ross Formation

    The locality of this fossil was 5 minutes from the Ross Formation in Tennessee. My professors believe that this is a trilobite that has undergone replacement. Specifically the Shepard's Hook Trilobite.
  7. Fossildude19

    Aulacopleura konincki

    From the album: Fossildude's Purchased/Gift Fossils

    Aulacopleura konincki, Wenlockian Liten Formation, Lodenice locality, Middle Silurian, Czech Republic.

    © 2023 Tim Jones

  8. Tidgy's Dad

    Wenlock Weirdies.

    Hello, everybody! I have been sorting through my wenlock limestone material, Middle Silurian and have a couple of personal problematica. I am wondering if any of you brilliant folks could help me out. Here is an object which seems to be an epibiont on a Favosites coral. 5 mm long and about 1.5 mm diameter at the widest. Is it a cornulitid ? Or a single corallite of Aulopora? Something else, maybe? And another one? On a solitary rugose coral. 3 mm x 1 mm. And an example of Aulopora from Wiki to compare : And a cornulitid that looks a bit similar : I would be very grateful for any help. Then there is this. Is it the worm Keilorites? Length 1.9 cm, width 2.5 mm max.
  9. locutus9

    Silurian Invertebrate Needs ID

    These are two fossils of the same species collected at the Long Pond Road Site along the Erie Canal in Greece, New York. They are from the middle Silurian Rochester shale. These were collected last winter, and I have since been unable to identify them. Both are no greater than 3cm in length. Some interesting fine detail is visible on the first specimen. The American dime is 1.8cm in diameter.
  10. 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.
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