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Found 8 results

  1. I'm not a brachiopod specialist by any means but have gradually acquired quite a few Carboniferous ones, both found and bought, and I'd like to start a thread for some of the more interesting (IMO) specimens that have hooked me into trying to learn more. The IDs are often traditional so I'd welcome any input from more knowledgeable folk such as Adam @Tidgy's Dad. As usual, detailed information is scattered around many journals. I'll start with a pair of Spirifer striatus recently acquired from an old collection. It's notable for its size, these being typical. The second partial specimen shows a crystal covered brachidium, rather broken up before mineralisation. Mississippian, probably Asbian Stage, Derbyshire, England The species is an old but valid one, Martin (1793), and these are from the same area as his type specimens. (There's a similarly large US species, S.logani, that I've been shown from the Keokuk Limestone of Missouri. I couldn't find any on the forum though.) specimen 2, with brachidium
  2. terapoza

    Strange find Lower Carboniferous

    Hi. I went to old closed quarry last Monday. I use to visit this one for last ten years. It's a Burren formation dated Visean -Asbian in Galway (3 miles north from town center) Ireland. Mainly you can find Productus , Eomarginifera, S.junceum large colonies, gastropods etc. Specimen below it's the first find of this type I found here. Any ideas? It doesn't look like concretion to me but maybe Iam wrong.
  3. My fossil hunting friend came across this object in a creek in eastern Missouri. At first glance this ~1 cm diameter ball with stout spikes would seem to be some sort of camerate crinoid, but the spikes cover the entire surface, with no apparent place to put arms, column, mouth, or anus. (Side note: That must be the crinoid folksong community's version of "Head, Shoulders, Knees, and Toes.") From there my fallback would be coral, or perhaps sponge, but the complete coverage around the whole sphere (see attached video) has me a bit baffled. The creek flows through mostly Meramecian (Visean) Mississippian bedrock, in particular the Salem Limestone. There is abundant chert, with common silicified fossils, which is what I believe this to be, though I have not examined it myself. Perhaps this is the internal mold of something? The chert bits I have seen from this creek, and from this region in general, are by and large not internal molds, but rather proper replacement fossils. I guess this oddity just has me reaching. Any thoughts with regard to identification would be most appreciated. video-1562025086_u3dNmuqY_sDVP.mp4
  4. A couple of summers ago I found what is maybe my favorite Mississippian/Lower Carboniferous Visean shark fossil in Fife, Scotland and with some time off over the holiday season and pretty grim weather I've finally got round to prepping it When I found it there were three damaged but very near complete large Saivodus striatus teeth, the root minus the central cusp of either a smaller S. saivodus or possibly a Cladodus mirabilis and a partial unidentified spine. I've exposed and restored the three big teeth to make them look complete again as best I can for now and exposed the rest of the root of the smaller one but will leave it as is along with the spine. Unfortunately I cant find the original pic of it as found but originally the tooth on the far left was missing the tips of the lateral cusps and the central cusp from about half way, the middle tooth was missing about half its root and one lateral cusp, and the tooth on the far right was missing a chunk out of one side including the lateral cusp and the opposite lateral cusp. I used resin for the restoration which I carved and then painted with water color and acrylic paints and finished the cusps with a coat of gloss varnish and the roots with matt varnish. I'm fairly happy with the restoration, it does seem to look quite a bit better in real life as photos seem to show up the restoration a lot more. The teeth are on a nice big block I've cut a base on in a thin layer around what seems to be a ball of clay with calcite infilled septarian cracks again, there's a few different types of invertebrate such as bryozoans, crinoids, brachiopods and a nice coral which I love finding teeth with as it gives them context. The block is 14cm tall and the teeth are all 2cm x 2cm.
  5. Not had a chance to get out hunting much for a while but had a trip out to a new site the other day and found some brand new stuff I wanted to share! Just outside of the little coastal town where I stay in Fife, Scotland there's a Lower Carboniferous stromatolite bed known for its beautiful stromalolite formations in a hard cream colored limestone which can be cut and polished for use in jewelry. This stromatolite bed lies on top of Lower Carboniferous lava's and has been correlated with another, 30m above a bed called the Burdiehouse Limestone which I do a lot of my collecting from. This puts its age somewhere in the late Asbian. These stromatolites grew in a freshwater lake that had formed on cooled lava flows. Its a challenging and dangerous site to collect from on an extremely steep and crumbly wooded slope below cliffs, very quickly though I started to find beautiful fragments of the stromatolite bed as well as a completely weathered out example and lots of split-able limestone with the occasional fish scales, freshwater bivalves and microconchids. The real prize of the day though was a beautiful and perfectly intact Petalodont shark tooth just lying on the surface of a massive block of the stromatolite bed, this stuff is so hard and not bedded at all so the luck involved in this being broken out like this is staggering! Not sure of the ID of the tooth but think it may be a Petalorynchus sp. Its 19mm from the tip of the crown to the end of the extremely long root. This was the first thing I picked up, a small stromatolite that had weathered out of the formation almost perfectly intact.
  6. terapoza

    Lithostrotion decipiens

    From the album: Upper Visean fossils of Ireland

    Massive, colonial Lithostrotion decipiens. Tabularium + - 2.5 mm. 16 to 18 septa of both orders. Galway, West Ireland.
  7. terapoza

    Siphonodendron junceum

    From the album: Upper Visean fossils of Ireland

    Fasciculate colonial Siphonodendron junceum. Corallites diameter up to 3 mm. No dissepiments. Galway , Ireland.
  8. terapoza

    Gigantoproductus latissimus

    From the album: Upper Visean fossils of Ireland

    Gigantoproductus latissimus found in Menlough quarry, Galway. 108 mm by 51mm
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