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Found 10 results

  1. I am fortunate enough to have such a huge amount of Middle Devonian Givetian material that I thought it best to put the older Middle Devonian stage, the Eifelian, in its own thread. There are some spectacular fossils here as well though! I thought a good place to start would be in the Formosa Reef, which I believe is quite early Eifelian. This tabulate coral and stromatoporoid reef continues similar complexes found from the Middle Silurian, see my: https://www.thefossilforum.com/topic/84678-adams-silurian/page/3/ thread from page three onwards for details. All these Formosa Reef specimens come from a delightful gift from my good friend @Monica who is a tad busy with life at the moment but is fine and still thinking of the forum. This outcrop can be found on Route 12 near Formosa/Amherstburg, Bruce County, Ontario, Canada. This beautiful-looking specimen came to me with only a third of it revealed but I managed to get it this far after nine days of painful pin prepping. Monica found another one and posted it for ID here: https://www.thefossilforum.com/topic/105528-weird-circular-imprints-formosa-reef-lower-devonian/#comment-1172285 The specimen was identified by another Canny Canadian @Kane to be the little stromatoporoid sponge Syringostroma cylindricum. Hardly a reef-builder, but gorgeous nonetheless. It does have a little thickness to it, but not much. Beautiful! Pretty thin, actually. I love this Monica, thank you!
  2. Tidgy's Dad

    Adam's Early / Lower Devonian

    The Devonian period is known as "The Age of Fish", but could also be known as "The Age of Brachiopods." In the Early / Lower Devonian, brachiopods reached the height of their diversity towards its end in the Emsian. We see the ancestral groups occurring, lingulids, craniids, orthids, protorthids, pentamerids, rhynchonellids and strophomenids, as well as the later successful groups we have seen before such as atrypids, athyrids and orthotetids, plus the rise of spiriferids, spiriferinids and productids and the beginning of the terebratulids. By the end of the Devonian , several of these groups are extinct or severely reduced in importance and brachiopods never quite recover. Also, the Devonian is the last time we see trilobites with such variation, large sizes and numbers and orthocerids too are much more uncommon after the rise of the goniatites. The massive tabulate coral reefs also disappear after the Devonian. Fascinating period and I hope to share some of its wonders with you. Equally, a lot of this is rather new to me, so I would be very grateful for any assistance, corrections or further information on my specimens. Thank you. The Early Devonian epoch is split into three stages, so let's start with the first of those, the Lochkovian, that began about 419 mya and finished roughly 411 mya. I have been sent a nice selection of brachiopods from the Kalkberg Formation, Helderberg Group by the Mighty @Misha, mostly. But the kind gentleperson also sent me this fascinating little bryozoan hash : It is dominated by fenestellids, which is usually the case in the Devonian, but other orders sill occur. These ones, I think, are Fenestella, but there are so many species in the formation that I wont take a guess as to species : Not sure what this one is ;
  3. Hi everyone, I recently purchased a collection from a retired fossil collector. Including in this collection was a box with Brachiopods from the Eifel region. Unfortunately it is harder than expected to ID them all. Here are the previous 3 posts with brachiopods from the same collection: So here are the photo's of the 4th batch of brachiopods: I believe most (if not all) of these are Rhynchonellid brachiopods 1) Uncinulus sp. or Septalaria sp.? 2) Oligoptycherhynchus sp? or Uncinulus sp? 3) Uncinulus sp. or Septalaria sp.? 4) Rhynchonellid but further no clue. 5) Septalaria? 6) No clue... 7) Camarotoechia sp.?
  4. Good morning everyone. This summer I was in Klaipeda district (Western Lithuania) for several days and found some interesting brachiopod fossils in dolomite boulders that probably date back to Carboniferous- Permian times. Please help to identify genera of these brachiopod specimens, it would help much to know the precise age of each boulder. The largest brachiopod specimens are up to 3 cm length, the smallest rhynchonellid is 5 mm length.
  5. Dear Guys, During the last several years i detected unknown truth talking about Lithuanian boulders- the Carboniferous and Permian marine rocks are very numerous and their age is various- there can be found almost each stage of Carboniferous and Permian. The main rock types are three- dolomite and limestone with masses of brachiopods that is various in color, stromatolite limestone with mollusks and unidentified cephalon like fossils, and the last- lacustrine limestone with coelacanth scales and possible plant remains (Carboniferous rhabdodermatids are very numerous). Carboniferous period and Early- Middle Permian was not known in Lithuanian glacial boulders so I very need the strong expert, especially who works on Carboniferous- Permian brachiopods. If my age determinations are correct then I will write the scientific book about this discovery and i think there is huge possibility that many of these boulders could be transported by someone glaciation from Northwestern Russia (or Northern Ural) because there are big areas of Devonian, Carboniferous, Permian and Triassic rocks near surface and Northern mountains potentially could be the cold center at some glaciation period in the Pleistocene. I will show all the pictures with fossil identifications and size, maybe someone will tell the opinion about the taxon and age possibilities. Any contact detail or other important information is very welcome! First image- Angiospirifer (Late Carboniferous), 1.1 cm length Second image- Anthracospirifer (Middle- Late Carboniferous), 1.8 cm length third image- Archaeocidaridae sea urchin plates (Carboniferous), 5- 8 mm diameter Fourth image- unidentified brachiopod species from Carboniferous- Early Permian (8 mm- 1 cm length) Fifth image- Atomodesma? bivalves from Kungurian boulder with Waagenoconcha brachiopod (1.7- 2.3 cm length)
  6. Mediospirifer

    Camarotoechia prolifica (Hall 1867)

    Found as surface float on the scree pile at the Windom exposure. Originally assigned to Rhynchonella prolifica, currently assigned to Camarotoechia. Appears to have been assigned to several genera over time, including Stenocisma and Cupularostrum. Refs: Linsley, D. M. Devonian Paleontology of New York. (1994) Paleontological Research Institution Special Publication 21. Hall, J. Palaeontology of New York v. 4. (1867) Yale Peabody Museum Collections website (http://peabody.yale.edu/collections/invertebrate-paleontology)
  7. elcoincoin

    Thurmannella obtrita

    From the album: Vaches Noires - Feb 2016

    Thurmannella obtrita : a rhynchonellida from Les Vaches Noires ( oxf / cal)
  8. jarredmorrison

    Rhynchonellida

    From the album: Mississippian Fossils from Northwest Arkansas

    Rhynchonellida Rhynchonellid brachiopod. Mississppian Found in Bentonville Ar

    © ssx

  9. jarredmorrison

    Rhynchonellida

    From the album: Mississippian Fossils from Northwest Arkansas

    Rhynchonellida Rhynchonellid brachiopod. Mississppian Found in Bentonville Ar

    © ssx

  10. jarredmorrison

    Rhynchonellida

    From the album: Mississippian Fossils from Northwest Arkansas

    Rhynchonellida Rhynchonellid brachiopod. Mississppian Found in Bentonville Ar

    © ssx

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