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Found 473 results

  1. Pennsylvanian Flora

    It was about a month ago that I attended a wedding in Ohio. There was a free afternoon for me to do a little exploring. So I took a short one hour road trip to Ambridge, Pa. I had no tools to use other than a carpenter's hammer that I borrowed. Had I been prepared to split shale with the proper equipment, my results would have been much better. Pennsylvanian, Dutch Creek Formation flora exists in the shale cliffs across the Ohio River from Ambridge, along Route 51( a 4 lane highway) as you cross the bridge. It is a very safe area to collect since barriers are in place to prevent rock slides onto the road. This keeps you separated from the heavy traffic on the road. Here are typical fossils found at this site.
  2. Pennsylvanian oddity

    Revisited a site today that I believe to be Pennsylvanian. Found this oddball. Fossil? Mineral? You can see some of the typical plant material from the site to the left on the same stone. Blade of grass is 3/8”-1/2” wide. Kind of looks septarianish now that I look at it again.
  3. Carbondale PA

    Hello everyone! I am in the process of investigating the fossil site in Carbondale PA but can't seem to find the exact place where to go or any directions, there were some things I saw on the forum but they look like they are on private property. If anybody knows about it new insight would be greatly appreciated. Thank you.
  4. Bone & fish fins?

    "digging" around in my Winchell fm micro matrix, I found a few interesting items. One I think may be a bone of some sort from something & 2 other may be fins. The bone is 9 mm in length, the larger fin is 1 cm & the smaller one is 5 mm. First set is the bone. Both sides, both ends & an angle of one end.
  5. Pennsylvanian Plant Questions

    Last week, I was in NE Ohio for my nephew's wedding. During my spare time, I ran across to Ambridge Pa. and collected a few fossils. In trying to ID everything I found, I came up with a few ?s for you plant experts. 1. Calamites leaf? 2. There are 2 bumpy things on this, top center (less obvious) and lower left. My guess is bark? 3. Sphenopteris?? 4. These are likely Pecopteris fronds of Psaronius fern trees. Can these two different species be further identified?
  6. Micro fish teeth?

    I recently started poking around in a few different microfossil matrix packs & have been having fun... aching neck & back, but fun. Anywho, I just started with some from the Winchell fm out of Brownwood Texas, Pennsylvanian period. Listed as having crinoid stems (check), Fusilinids (check) & coral (check). I found a tiny little thing that looked like an odd shaped agate, sort of pinkish yellow in color, then a 2nd, 3rd.. I've found 8 of them so far, in just the 1st 2 teaspoons of matrix (I've got 8 oz of it). Just slightly over a mm in size. I'm thinking fish teeth, but not sure. Found this other thing that I'm not sure on as well. 1/2 cm in length & looks like a mini saw blade (sort of). I'm including a couple pics of it as well. All 3 pis are at 50x magnification.
  7. This looks arthropod, but what is it?

    This specimen is from the Pennsylvanian subsystem, Kansas City group, and probably the Winterset member. I say probably because I collected it several years ago and I'm not sure. If it is not from Winterset, then it is from a some other nearby member in the Kansas City Group. It seems that the only arthropods in the Winterset are trilobytes, so I'm thinking that this is not arthropod, even though it has that superficial appearance. Can you folks help me identify it?
  8. Hi, all, does anyone know where I can get/order some posters showing the Pennsylvanian forests? I am doing a presentation on plant fossils in Jan. and would like to accent it with art work, thanks, Herb
  9. I think I found myself a partial crinoid calyx in some micro matrix. Pennsylvanian period, Jasper Creek fm, Bridgeport, Texas. Measuring just 1.5 cm in length plus another tiny cluster that may be part of another. So I'm posting both on here for more learned opinions. The 2nd one is a bit smaller, measuring only .5 cm in length. I'd like to find an entire calyx (or an entire critter). I seem to have become partial to crinoids for some reason.
  10. Another microfossil

    Found this in the micro matrix. I know I've seen one before, but I can't place it. I also wish I could get the matrix off it, but it's so thin.. Anywho, it's 0.5 cm at the widest.
  11. 26054-38060-1-SM.pdf Here is a paper by Itano and Lucas about a revision of Camyloprion Eastman, 1902 that includes new teeth found by Mark McKinzie in the Finis Shale member of the Jacksboro Limestone at Jacksboro's Lost Creek site.
  12. Arizona Pennsylvanian Coral

    The corals from the Pennsylvanian Naco Formation in Arizona have not been officially described partly because many are silicified and have lost internal details. Any idea what these corals are with central columns that are vertically striated? Their average length is 2 to 3 cm. I think that they look like Lophophyllidium. Thanks, John
  13. Mazon Creek ID

    An unknown I found at Braidwood, IL, Mazon Creek material. Forgot scale but about 2" wide and 1" long. It was in a marine area.
  14. Any idea what these silicified possible crinoids are? Are they even crinoids? They are from the Pennsylvanian Naco Formation from near Payson. The ones in the photos (both sides are shown) are from 0.8 to 1.5 cm wide. @crinus These two references might be of help. Anyone have access to the photos from these? Webster, G., & Olson, T. (1998). Nacocrinus elliotti, a New Pachylocrinid from the Naco Formation (Pennsylvanian, Desmoinesian) of Central Arizona. Journal of Paleontology, 72(3), 510-512. Webster, Gary; Elliott, David. (2004). New information on crinoids (Echinodermata) from the Pennsylvanian Naco Formation of central Arizona. The Mountain Geologist. 41. 77-86.
  15. Jacksboro Texas Plants

    I showed Jeffery P the Jacksboro spillway on his swing through Texas and it was my day to find plants in this otherwise marine site. At least I think that both are plants. First this piece with mm scale which I'm guessing could be Cordaites or Artisia pith. Edge view and close-up and other side Next this leaf which I think is one of the seed fern pinnules, also with mm scale other side end views and side views Does anyone agree and can you tell which of the seed ferns this could be?
  16. Edestus teeth

    From the album Sharks and fish

    The shark relative is genus of eugenodontia holocephalid from the Carboniferous-Pennsylvanian age Anna shale formation, Carbondale group, found in different Illinois coal mines. I dont know(yet)which mine these were found in. This unidentified species is of the "vorax-serratus- crenulatus-heinrichi" or "E. heinrichi group", with the teeth being more of a standard triangular shape, as opposed to being thinner and pointed at a forward angle as in the "E. minor" group http://www.thefossilforum.com/applications/core/interface/file/attachment.php?id=501751
  17. Crinoid Cup and Arms

    From the album Mineral Wells, Texas

  18. Crinoids

    From the album Mineral Wells, Texas

  19. Crinoid

    From the album Mineral Wells, Texas

  20. Crinoid in matrix

    From the album Mineral Wells, Texas

  21. Crinoid in matrix

    From the album Mineral Wells, Texas

  22. Trilobite

    From the album Mineral Wells, Texas

  23. Trilobite

  24. I was a lucky recipient of a wonderfully CRAPPY package from @Nimravis a couple of months ago. Now I need some educating. 1. The only recognizable inclusions in this coprolite are plant fragments, most of which appear to be woody debris. There is one relatively intact "leaf?" that may be recognizable to some of you experienced Mazon Creek folks. My educated guess is it is from a lycopod. Can anyone confirm this. From what I have read, the only herbivores large enough to have produced a mass of this size are Arthropleura, the giant millipede arthropods. How exciting is that!?! 2. This one looks like some sort of stem fragment. Would this be from a lycopod as well?
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