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Found 16 results

  1. Field collecting at 2019
  2. Bateman, R.M. and DiMichele, W.A., Escaping the voluntary constraints of “tyre-track” taxonomy. Taxon 00 (00), pp. 1–16 Wiley PDF Yours, Paul H.
  3. Wandering about I found some slivers of porcelain like permineralized material floating on the surface in a small dry wash. Exposed and opened a small trench of very broken up pieces of a Lycopsid. I'm going to very tentatively guess Sigillaria due to presence of crenulations on the remaining margin of the material. Covered the pocket back up after taking a few photos. The overall pocket length was at 3 feet when I quit. Specimen increasing in size and going deeper into the hill than my little digging knife could handle. Nearby plant roots had entered the specimen and
  4. At first sight out in the back country I thought I had stumbled on some calamite sections. After cleaning up some specimens at home, I am now leaning more toward some other Lycopsid. Perhaps Sigillaria? @paleoflor More photos to follow
  5. I_gotta_rock

    Stigmaria ficoides

    Stigmaria ficoides is a type designation for roots of scale trees (Lycopods). The main roots have scars, usually ovate, where the rootlets once attached. In this specimen you can clearly see not only the main root but rootlets coming off of the main root at right angles on both sides. The white highlights on this plate are iron oxide left from the original plant material. The site where this was found is part of the same formation as the famous St Clair locality, which is known for its white fern fossils.
  6. cameronsfossilcollection

    Stigmaria or Young Lycopsid?

    From my collection of St Clair plant material - any ideas? Less than half a centimeter thick, about two inches long.
  7. Hello, this specimen is from an excursion in search of permineralized material in the upper formations of the lower Pennsylvanian Gobbler formation. In this particular formation I have found Psaronius and various Lycopsids, calamites&piths, etc. This is fairly weathered specimen in quartz sandstone, but the diamond pattern does not seem typical of Lepidodendron. Each 'diamond' seems more like a square. There appear to be 2 separate layers of diamond shaped material so these might be smaller branches toward the crown of a Lycopsid. The upper one is more
  8. hitekmastr

    Our Fossilicious Summer

    WHAT WE LEARNED IN OUR FIRST FOSSIL HUNTING SUMMER This is a short recap of what we learned on our fossil trips this summer, in our first 3 months as very new fossil collectors. This week, Nancy and I gave a slide presentation on our summer fossil hunting experiences, to the Delaware Valley Paleontological Society. We didn't realize it ourselves but in 3 months we visited 8 sites in Pennsylvania and New York including: Antes Creek, Deer Lake, Red Hill, Juniata County, McIntyre Mountain, Montour and St. Clair in Pennsylvania, and a very productive trip to Tully, NY. We visited St. Clair 4
  9. I use a common for Lepidodendron, Diaphorodendron, Synchisidendron and some other arborescent lycopods name - Lycopsid. So, big stem fragment of the Lycopsid The middle size stem with two attached branches The leaf cushions shadded from the stem Some close-up samples of the bark Decorticated stem Branche with attached leaves Cone Stigmaria (the root system) inside Bark covered by Microconchida (that's mean underwater time at the sea) And some pictures with great details
  10. RomanK

    Bothrodendron 3

    Some more twigs: Branches and branch scars: Leaf scars: and odd meanders at deep decorticated bark/stem level: More examples with Bothrodendron prints and some explanations at this draft paper - https://yadi.sk/d/h1BPFBe73UeXKu
  11. RomanK


    Bothrodendron is a geterosporous lycopsid from the Middle Carboniferous. It's a tree-sized plant that had a very fine morfolgical details like 1.5 mm size leaf scars. That's why I have noted those things I found just 3-4 year after I began to collect fossils. You can see some specimens below: 1. Thin stem with two attached lateral branches and picture with some graphic explanation: 2. Ulodendroid type of branch scars from the same site: 3. Specimen with piece of bark and cone (probably Bothrodendrostrobus):
  12. RomanK

    Bothrodendron 2

    More attached cones: and some sporangia: 4. Bark at different levels of decortication: 5. Thin twig:
  13. Archie

    Lepidodendron sp.

    From the album: Scottish Lower Carboniferous (Visean) plants

    Lepidodendron sp. Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
  14. Archie

    Lepidophloios sp

    From the album: Scottish Lower Carboniferous (Visean) plants

    Lepidophloios sp. Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
  15. Archie

    Lepidostrobophylum sp.

    From the album: Scottish Lower Carboniferous (Visean) plants

    Lepidostrobophylum sp. Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
  16. Archie

    Lepidostrobus sp.

    From the album: Scottish Lower Carboniferous (Visean) plants

    Lepidostrobus sp. Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
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