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Found 22 results

  1. historianmichael

    Cordaites borassifolius

    From the album: Llewellyn Formation Plants of Pennsylvania

    Cordaites borassifolius Late Pennsylvanian Llewellyn Formation Centralia, PA
  2. historianmichael

    Cordaites borassifolius

    From the album: Llewellyn Formation Plants of Pennsylvania

    Cordaites borassifolius and Sigillaria elegans Late Pennsylvanian Llewellyn Formation Centralia, PA
  3. It's been a long time since I've written a trip report. Not that I wasn't hiking, I was hiking like mad and finding stuff. Just didn't get around to documenting in the latter part of 2020. Too much craziness. A couple of days ago, I went in search of an extremely elusive shale formation, that contains some of the loveliest ferns I have seen. My records show I specifically planned 13 hikes last year trying to find another exposure. That was over 100 miles of fruitless searching. Zero. Zilch. Well, two days ago I found another small exposure. Scenic photos of the journey
  4. paleoflor

    Cordaianthus sp.

    From the album: Steinbruch Piesberg (Osnabrück, Germany)

    © T.K.T. Wolterbeek

  5. historianmichael

    Calamites or Cordaites?

    Many years ago my dad and I visited St. Clair, PA to collect its famed Late Pennsylvanian plant material. With the closure of St. Clair to public collecting, several years ago, we went to the next best place: Centralia, PA. In going back through our finds to ascribe a proper classification to them, I have come across several finds that I believe could either be Calamites stems or Cordaites leaves. The issue is that these fossils preserved without much detail to go on. In doing some research online and on here, I think I have figured it out, but I am not completely sure. Any help is greatly app
  6. blackmoth

    spores on leave?

    a friend of mine found this in a Pennsylvanian shale near baijing. The leave, of which the width is about 1cm(which could serve as a scale) is not well preserved and possibly of cordaites, which is very common there. We've never seen the grains like this before, of which a wild guess is some aqua-plant's spores. They are not pits as may be taken looking at the second pic. any ideas?
  7. I'm piling back in late from a fossil hunt and wanted to get this online. Found in a lower Pennsylvanian formation locally. Typically find cordaites and ferns in this formation. Today, this odd split pair caught my attention. For size reference the small calamite next to the split pair is a little over 5 cm long and 2 cm wide. Although not a great field shot I'm posting it up now in case someone can point me in a solid research direction. Part of me thinks cordaite but the unusual branching features on one side only are quite odd to me. Perhaps some sort of
  8. I decided to get out for what might have been the last warm day in the 70's (Farenheit) for a walkabout to explore high country access and exit points for some long climbs I would like to do this winter. For this trip I rucked primarily in the lower Pennsylvanian formations looking specifically for a new occurrence of mineral rich shale formations similar to one I had found last year that yielded plant fossils. I did manage to find a small but new-to-me location that was very geologically complex having anomalies in the midst of the shale/sandstone formations. First thi
  9. L.S., To liberate storage space, I would like to offer the following plant fossils for trade. All specimens below come from the Late Carboniferous of the Piesberg quarry near Osnabrück (Germany). Scale on photographs in centimetres (1 inch = 2.54 cm). Specimens B, C, F and G show neuropterid fronds of various sizes (most likely Laveineopteris rarinervis). Note specimens B and G were recovered broken and have been glued/repaired. Specimen E is a large plate and shows reproductive structures of Calamites (E-1), a Laveineopteris frond (E-2), a strap-like Cordaites leaf, and some Annul
  10. On a short schedule for searching so it was a mad dash. I have very few ways to easily reach the Pennsylvanian Formations. Ordovician-Silurian-Devonian-Mississippian no problem. Anyway, I've found some interesting ferns in the Pennsylvanian Gobbler and wanted to see what I could find in another location about 3 miles as the crow flies away. About 1.5 miles into the site and a fairly productive morning for an initial search. Not the best of specimens but holds promise. Found this interesting brachiopod panel presenting itself with some glints. It was ea
  11. hitekmastr

    Cordaites

    From the album: Carboniferous Plant Fossils in My Collection

    Cordaites were very large leaves that resembled corn leaves, with parallel grooves running the length of the leaf.

    © Copyright (c) 2019 by Michael Tomczyk. All rights reserved.

  12. Here is a sample of a fern and Cordaites along the bottom (my guess) I've been finding. Pennsylvanian formation in an area with igneous intrusions. I would enjoy being able to identify and label different fern types in the future so any help naming these now and a good source for learning more would be my ideal goal. Lastly; what induces the coloration? Is it some form of pyritization? High iron mineral content of water and ground it grew in at the time? I have additional specimen photos that appear to be of other types but I just realized my file sizes are limiting ho
  13. icycatelf

    Cordaites w/ Artisia

    From the album: icycatelf's Backyard Fossils

    Cordaites with Artisia Hyden Formation Middle Pennsylvanian Eastern Kentucky 5.6cm (length) Fossil from a Cordaites tree with pith (Artisia) exposed
  14. I_gotta_rock

    Leaf Impressions

    From the album: Carbondale, PA

    Pyrite (?) layer over shale Carbondale, PA Lewellyn Formation Pennsylvanian 299-323 myo
  15. I_gotta_rock

    Flora Hash Plate

    From the album: Carbondale, PA

    Finely parallel-veined leaves of a Cordaites plant alongside the branch or root of a giant Lycopod (aka scale tree or club moss). The latter could grow up to 50 m high! found in Carbondale, PA Lewellyn Formation Pennsylvanian (Upper Carboniferous) period 299-323 myo
  16. icycatelf

    Artisia

    From the album: icycatelf's Backyard Fossils

    Artisia Hyden Formation Middle Pennsylvanian Eastern Kentucky 8.9cm (height) Pith cast of an ancient tree-like plant, Cordaites
  17. I've been searching for some carboniferous wood/bark examples and think I've finally found a number of them. These are found loose in some mine spoil piles along with some coal chunks in the Braidwood Biota areas. I'm not sure if these are cordaite, psaronius or seed fern. Any ideas? ITEM 1: Here are four pictures of the first item. The last picture shows a really zoomed in area that shows individual xylems I presume.
  18. St. Clair Trip Nan and I took a trip to Deer Lake and we managed to squeeze in a couple of hours at the end of the day to visit the St. Clair fern site - which we consider to be our "home site." We always see animals there - a bear and cub were there last year, an 8 foot long black snake (it was really that long!) and this time we saw a dozen male and female turkeys. The site has been pretty well picked over by a season of fossil hunting so there aren't as many good finds lying scattered around on the ground but we don't normally scavenge these shards anyway - we either excavate the o
  19. Missourian

    Show Us Your Cordaites

    Has anyone here collected these Pennsylvanian plants? If so, show 'em. This gymnosperm tree is classified under a handful of genera: Cordaites - leaves Cordaianthus - seed cone Cardiocarpus - seed Artisia - stem Amyelon - roots I'll start with a few I've posted on the forum already.... Leaf bundle (Cordaites): Leaf (Cordaites): Stump and roots: Roots (Amyelon?): Roots (Amyelon?): All are from the Pennsyl
  20. Hannah

    Cordaites

    From the album: Kentucky Fossils

  21. Kehbe

    Cordaites

    I know these aren't rare or unusual but this is a really nice example of Cordaites from the Pennsylvanian. Just thought you would enjoy looking at it! pic1 pic2 (edit) Added Pic2 Just a close up pic and this website I thought was an interesting site concerning cordaites http://www.uni-muenster.de/GeoPalaeontologie/Palaeo/Palbot/seite18.html
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