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Found 124 results

  1. Pecopteris arborescens and Cyperites

    From the album Cory's Lane, Rhode Island Fossils

    Positive and negative imprint of Pecopteris arborescens pinnules and Cyperites. Found in 2017 at the Cory's Lane fossil locality, Rhode Island.
  2. Pecopteris arborescens

    From the album Cory's Lane, Rhode Island Fossils

    Positive and negative imprint of Pecopteris arborescens. All that was left of the negative imprint was a small mid section of the fern. Found in 2017 at the Cory's Lane fossil locality, Rhode Island.
  3. Pecopteris arborescens

    From the album Cory's Lane, Rhode Island Fossils

    Large positive imprint of Pecopteris arborescens. Found in 2017 at the Cory's Lane fossil locality, Rhode Island.
  4. Pecopteris arborescens

    From the album Cory's Lane, Rhode Island Fossils

    Negative imprint of Pecopteris arborescens. Found in 2017 at the Cory's Lane fossil locality, Rhode Island.
  5. Pecopteris arborescens

    From the album Cory's Lane, Rhode Island Fossils

    Positive and negative imprint of Pecopteris arborescens. Found in 2016 at the Cory's Lane fossil locality, Rhode Island.
  6. Pecopteris arborescens

    From the album Cory's Lane, Rhode Island Fossils

    Small positive imprint of Pecopteris arborescens pinnules. Found in 2016 at the Cory's Lane fossil locality, Rhode Island.
  7. Hi I just come back from offerton (Stockport uk) found some Carboniferous plants
  8. Scale Tree

    Kathleen B. Pigg of the University of Arizona notes that this "stem subsurface pattern that is sometimes called 'rabbit tracks'. The double track you see is probably a result of a pair of air channels that accompany the leaf trace through the cortex. The vertical ribs are produced by an increase of bark through secondary tissue production." The pair of sepicemns in the first image are the positive and negative impressions of the same piece. The second image is a detail from the same specimen.
  9. Fern

    From the album Carbondale, PA

    Carbondale, PA Lewellyn Formation Pennsylvanian period 299-323 myo
  10. Fern

    From the album Carbondale, PA

    Carbondale, PA Lewellyn Formation Pennsylvanian period 299-323 myo
  11. Fern

    From the album Carbondale, PA

    Carbondale, PA Lewellyn Formation Pennsylvanian period 299-323 myo
  12. Leaf Impression

    From the album Carbondale, PA

    Carbondale, PA Lewellyn Formation Pennsylvanian period 299-323 myo
  13. Leaf Impressions

    From the album Carbondale, PA

    Carbondale, PA Lewellyn Formation Pennsylvanian period 299-323 myo
  14. Calamities Brand and Fern

    From the album Carbondale, PA

    Carbondale, PA Lewellyn Formation Pennsylvanian period 299-323 myo
  15. Greetings from Carbondale!

    This week we found ourselves headed for Carbon County, PA and looked up some places to go hunting. St. Clair was out, but there were some references to Carbondale here and there. As the name suggests, Carbondale was a coal mining town. There are active and inactive areas all over town, much of it fossiliferous. The most popular spot seems to be the one we went to, a tailings pile next to an apartment complex off of Westside Rd. The land status is unknown, but there were was nothing posted, so we ventured in as many have done before us. Our directions said to follow the gravel path between the third and fourth buildings on the right, then bear left and continue to the en of the ravel road, where you'd see a "mountain of tailings." When we parked, I looked from side to side for a pile I expected to be maybe the size of a van. From behind me, I hear my husband say, "Oh, that mountain of tailings." I looked from side to side. No, her told me, look straight ahead and up. Oh! It was indeed a mountain! The pile loomed above the rich grove. How did I miss that? (On a return trip a couple days later, I noticed it also loomed over the apartments!) A narrow trail leads through the woods to a meadow and a bare section of wall just asking to be explored. April was the perfect time to go as all the weeds were down from the winter snows and not yet regrowing much. The trees growing from the wall itself provided just enough footing for me to climb without sliding back down - until I wanted to. Whee! Once I reached the wall, it took me only seconds to spot my first bit of Calamities bark, and then another, and then a complete, 3D stalk section! After about an hour of searching I spotted a limb sticking put of the fine slate crumbs and pulled it out. It was a chunk of Calamites stalk as big as my outstretched hand. I spent a total of about 5 hours over two days scrabbling across a sheer wall of loose shale. Ferns! Leaves! Roots! Seeds! Bark of all different textures! Some of the ferns were incredibly detailed. One had all the miniscule veins outlined in red (pyrite?), while others were just extremely fine impressions in the grey rock. As it turns out, the gravel road itself runs across an overgrown tailings pile. Here and there you can find exposed rock, including bark plates bigger than dinner dishes! After spending what felt like an hour on day 2 (It turned out to be three hours!!!) I decided it was time for lunch and slid down the hill like a little kid. There at the base of the hill, was mu find for the week: a whole section of tree(?) trunk with bark all the way around the specimen. It was lying alone in the woods on some leaves, just waiting for someone to wander off the beaten path. I debated about bringing it home. It was so big! Hubby was snoozing on a nearby rock. Rocks are not his thing and bringing home piles of them doubly so, but he is so sweet that he picked that heavy thing up before I could blink and carried it to the car himself. He's a keeper! It will take quite some time to photograph all my treasures, but I will post in the comments here when I have an album together.
  16. Misidentified fern fossil?

    I purchased this fern fossil some years ago from a rock shop in Colorado. It was identified as a Neuropteris sp. from the Braidwood formation, Johnson County, Missouri, from the Pennsylvanian period. I have several questions. First, when I do a Google search I see quite a number of fern fossils being offered for sale with the same provenance. But when I dive deeper, I can't find a Braidwood formation listed for Johnson County, Missouri. Here is the USGS listing of geologic units in Johnson County, and I don't see a Braidwood formation listed: https://mrdata.usgs.gov/geology/state/fips-unit.php?code=f29101. The only Braidwood I have found on Google is the Braidwood biota, part of the Mazon Creek fossil beds in Illinois. Has this been misidentified or am I missing something? Also, I'm not sure I can tell the difference between neuropteris and pecopteris species, can anyone give me a good identification? Thanks! 12X magnification: 25X magnification:
  17. Pecopteris

    From the album My Collection

    Here is the negative and positive imprint of a Pennsylvanian aged fern that I found. This fossil belongs to the Pecopteris genus. Found at Corys Lane, Rhode Island.
  18. Fossil found in Cambodia

    Hi, a friend of mine found this fossil. can anyone suggest a resource where they can find out what it is please.
  19. Pecopteris or other tree fern?

    I received this relatively large fossil about 4 years ago as a Christmas present from a friend. All the information I have about this specimen is that "it comes from the Carboniferous", it was bought from a peddler at the local Christmas market without asking for the provenance. Now I am trying to definitively identify it. I compared it to all my fossil ferns and to many pics online, and some photos of Pecopteris polymorpha are particularly similar in shape. ^This is one of the images I found online. There is a surprising similarity even with the surrounding matrix, could my fossil come from the same formation? My specimen measures about 180 x 140 mm.
  20. Mazon Creek Plant ID - Help?

    Can someone help me with an ID for this? Thank you!
  21. This is my first post since I introduced myself a week or so ago. All of this (the forum as well as the fossils) are extremely new to me. So, I hope I'm doing everything alright. I've tried to read up a bit before posting. I'm honestly wanting to know if what I've stumbled on is a place as special as it seems to me. I guess, that's what matters anyhow. Nonetheless, I wanted to show you a few pictures of the types of things I find. None of these have to be looked for. They are in a creek that is sometimes full and running with water, and sometimes dry as a bone. But these are everywhere. Actually, the form the bed of the creek even. The "chunks" I pick up feel like clay and can be split when they are still somewhat wet. If they dry, they get brittle. If I soak them in water to wet them again, the completely fall apart. The only way I know to open them to find the little treasures inside is within 15-30 minutes after I get a bag full and get back home. Any info on them is great. I want to share and hopefully learn. Thanks, Frank
  22. White rot fungi humble beginings?

    I found this piece last Saturday and it's quite strange. I've never seen a fossil like this. This may sound like a dumb theory, but could this be white rot fungi just starting to form? 99% of the holes are on the woody areas of the fern. The axis is fully covered with holes. I figure if it was normal weathering of the rock/fossil the holes would be everywhere, or at least on the leaves more. Has anyone seen this before? This is from the late carboniferous period. Mazon Creek, Francis Creek shale.
  23. Unidentified fern

    From the album Scottish Lower Carboniferous (Visean) plants

    Unidentified fern Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
  24. Sphenopteris affinis

    From the album Scottish Lower Carboniferous (Visean) plants

    Sphenopteris affinis. Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
  25. Sphenopteris biffida

    From the album Scottish Lower Carboniferous (Visean) plants

    Sphenopteris biffida. Burdiehouse Limestone, Visean Central Belt of Scotland 333.5 myo
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