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  1. From the Atrasado Formation in San Diego Canyon, New Mexico. Took a couple of younger friends fossil hunting, and we found a good bed. This one's a real beauty. My photographic equipment is primitive and doesn't do it justice. Graptolites and something else. Not sure what the circular structures are; I don't have the equipment for proper microphotography. There is a very clear echinoderm plate elsewhere in the sample so I'm wondering if these are some kind of echinoderm. They're very clear under the loupe and obviously f
  2. On my way home from Georgia today I decided to make a short stop at the Vienna, Illinois roadcut that is right off of I-24. The weather was nice, a balmy 52 degrees and I was out collecting without a jacket. I decided to stop for 20 minutes and see how many blastoids that I could find, but alas, I only found a small one. I did find the usual pieces that are found at the Mississippian roadcut- blastoid, brachiopods, horn coral, a crinoid basal plates, bryozoan, including Archimedes screw and a number of hash plates. I
  3. Samurai

    Fenestella sp.

    From the album: Missouri Bryozoans

    One of my favorite finds due to how its almost complete and is in a very hardy rock I am assuming to be chert
  4. historianmichael

    Spiropora sp.

    From the album: C&D Canal Micro Fossils

  5. I know crinoid "forests" are a dime a dozen, but still its nice to find one so packed . . . And some bryozoan pieces, my first that I can identify with a bit of confidence . . . but please correct if I'm mistaken. Cheers!
  6. Tidgy's Dad


    Hoooooooooooorrrrrrrrrrrraaaaaaayyyyyyyyyyy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Here we are at last, into Adam's Silurian. Thanks for looking. First up is the Lower Silurian or Llandovery and I begin with a problem. I posted this one incorrectly in Adam's Ordovician as it had got it's label muddled up with an Ordovician Favosites I had that has vanished in the move here, but is being replaced by kind forum member @Herb Anyway, this, I remember now I've found the correct label, is from the greenish Browgill Formation, part of the Stockdale Group from a cutting near Skelg
  7. This past Sunday, I had about 2 hours to spare, and wanted to look for fossils. I obviously couldn’t go far, so I decided to see whether I might have any luck fossil hunting along the Iowa River right in Iowa City. The exposure there is from the Coralville Member of the Cedar Valley Formation, which is mostly Devonian limestone and Dolomite. The faunal diversity in this strata is not great - some solitary and colonial corals, a smattering of brachiopods and bryozoans, and a few small crinoidal columnals. I had time to check out two locations very near downtown Iowa City, and both within two mi
  8. I had the opportunity to visit another Silurian site in the northern Georgia/southern Tennessee area. This is now the third such site I've visited, but the first in the Rockwood Formation as opposed to the Red Mountain Formation. As far as I can tell there's very little different between the two lithologically and paleontologically, with the Rockwood and Red Mountain occupying pretty much the same stratigraphic position. The difference seems to be that the TGS prefers to use the term "Rockwood" to describe it's Niagaran Silurian system and the GGS and AGS prefer the term "Red Mountain", mostly
  9. X-fish

    Possible Archimedes

    I collected this a couple years back, from the Topeka Limestone in Elk Co. Kansas, and it was identified as Archimedes. Is that correct? it doesn't look quite right to me (in fact, I think it looks more like Penniretepora, but I could be wrong). The specimen is 18 mm long. I apologize for using the penny for scale, the picture was taken before I started using a ruler as the scale in my fossil pictures, and my camera is having problems right now.
  10. My son brought me a rock from Pulaski, TN, and I am trying to study it and identify the various elements in it. From what I can tell (and from what I have learned here in the past) I believe it is mostly made up of encrusted bryozoans, although there is something different about them. There are tiny filament like "sticks" that I have not seen before. Is that perhaps just a type of bryozoan that I am unfamiliar with (quite possible!). There are also a number of embedded items in the rock. The third photo here shows two of them, side by side. I remember from previous answers that I have gotten
  11. Tetradium


    From the album: Lime Creek Devonian Rockford Iowa

    Fenestella sp. A lace bryozoan - usually found in small pieces in the harder shale.
  12. Tetradium

    Lioclema occidens

    From the album: Lime Creek Devonian Rockford Iowa

    Lioclema occidens common. One weird thing about Lime Creek Formation is the numbers of bryozoan species which was much more diverse in Ordovician become much more less diverse even thought similar environment - muddy subtropical seas. This is the largest rugose bryozoan left. All the others (so far not identified yet) are much smaller, less than .2 of a centimeter in diameter.
  13. Mainefossils

    Number 2 invert fossil

    This is another fossil that has me stumped. I think that there is a possibility of bryozoan, because of the pits, but I remain unconvinced. It is from the Leighton Formation, which is Pridoli. The pictures below are of the fossil under raking lighting, to show the pits, then of it under lighting from directly above, and finally with scale (mm). Thanks everyone!
  14. Doggeek

    First Fossil Hunt

    A few weeks back, I happened to accidentally find a fossil while out trail running - my first ever! I found this forum to get help identifying what it was, and figured that would be the end of it. But it turns out that the trail I have been running on for 20 years has lots of fossils, and now I can't stop seeing them! I have been reading this forum and following up with other resources to try to educate myself a little. My mother-in-law was super interested when I showed her a couple that I had picked up, so we decided to go back out there for our very first newbie fossil hunt. My MIL, i
  15. Dimitar

    Bryozoan shells

    Hello guys! These are the specimen from Ile Bizard. This seems to be some kind of Bryzoan, forming a shell structure. #1 1.1 1.2 1.3 1.4 1.5
  16. historianmichael

    Frurionella sp.

    From the album: C&D Canal Micro Fossils

  17. historianmichael

    Heteropora sp.

    From the album: C&D Canal Micro Fossils

  18. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Close up of the unknown species showing varying walls thicknesses
  19. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Batostoma species from Mifflin portion of Platteville Formation. Since there hadn't been any official researches into platteville bryozoan, I would assume this to be a early forerunner of Batostoma fertile as it looks very similar to it but on average smaller. One rock have a different species running parallel but camera couldn't get more details.
  20. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Unnamed species. I keep getting in over my head with all the vocabulary so most likely not new. I only found this species this year in a new Decorah dig site location. I would had almost tossed it aside if not for the first piece I found which is much longer than the usual rugose decorah twin cities Ordovician bryozoans. On closer inspects it is so different from my Batostoma species. Rarely branching which is very unusual for a rugose bryozoan, very variable wall thickness as seen as under digital microscope. Only found in this one location.
  21. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Another digital microscope of Stictoporella frondifera.
  22. From the album: Bryozoan of Minnesota Ordovician

    Close-up of Stictoporella frondifera with digital microscope.
  23. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Another digital microscope of Phylloporina sublaxa, this time a bleached out one. Note the zoarium.
  24. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Digital microscope close up of Phylloporina sublaxa. Its the best I could do.
  25. Tetradium


    From the album: Bryozoan of Minnesota Ordovician

    Stictoporella frondifera. Very localized abundant in lower Decorah formation Minnesota, Ordovician, Twin Cities.
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