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Found 126 results

  1. Coral or bryozoan?

    I found this stone with several circles and some pattern. Could it be a coral or is it a bryozoan? Seems too small for bryozoan. Anybody can help identify it? Size of diameter about 3cm. Late Ordovician.
  2. Found this in our yard in Madison County, AL. We have tons of Fenestellan Bryzoan fossils, crinoids, etc (as you can see in this rock, also). Is this embedded fossil object a more complete bryozoan fossil? It looks like it would easily fall out, but I don't want to mess with it. This is a macro photo - the embedded object is about 3/4 inches long. Thanks! Ramona
  3. I went up to the UP this week doing mostly sightseeing with my friends. They were aware of my predilection for rockhounding so we often made stops to areas that might bear good fossils/agates. In particular I knew there were some 'lagerstatten' in the Stonington Peninsula region of the UP. The most important formation I know of is the 'Big Hill formation' (correct me if I'm wrong). Some links about it here: https://www.researchgate.net/publication/308005515_A_new_Lagerstatte_from_the_Late_Ordovician_Big_Hill_Formation_Upper_Peninsula_Michigan https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6325806/ Now, I didn't have enough time to bother my friends into finding these exposures (and as far as I know, rock collecting in a national forest is not allowed)... However, while we were driving south on County Road 513 T on the west side of the Stonington Peninsula, headed for the lighthouse, I spied a small hillcut on the east side of the road. The hillcut was directly across from a large cemetery-- we pulled over and I had a quick look at some of the rocks there. The hillcut itself was about 20 feet tall, and maybe 600 feet long. I could see near the top of the cut a few feet of limestone bedding planes jutting out from the escarpment. Weathering had amassed a slopped pile of clay and fossils that nearly filled the ditch at the base of the hillcut. On the surface, I saw many brachiopods (different kinds of Platystrophia, possibly?) some of whom were larger than 2 inches across. I also found some small bryozoan colonies and possibly pieces of isotelus gigas molts. The pieces were too small to tell, I am unsure if this particular roadcut could yield anything fully articulated. The rock was very weak and almost clay like. Does anyone know about this roadcut? What formations might be there? I took a few small samples with me but I didn't want to start excavating, obviously. If anyone is interested I could post some pictures of what I picked up, or I could send more detailed directions. Best, Foss
  4. Unknown ordovician fossils

    I found this stone with several strange forms. Could they be bryozoans or corals, ans which kind? Martin
  5. Helderberg Group Fossils

    A few years ago I collected with the NYPS at a quarry exposing some Helderberg Group limestone. I failed to label some of my finds. I have a best guess on the trilobites but I was hoping to get some confirmation. I have struggled identifying a few of the brachiopods and a bryozoan and I could use some help with those. Any help is greatly appreciated. #1 - some type of bryozoan but I am not sure which one #2- ??? #3- ??? #4- Paciphacops logani? #5- Odontocephalus sp.? #6- Dalmanites pleuroptyx?
  6. Hi everyone! I found this piece yesterday at my new spot along Etobicoke Creek here in Mississauga, Ontario (Georgian Bay Formation, Upper Ordovician). It's a bryozoan of some sort with some crinoid stems on it, along with an imprint that I think is either a Cruziana ichnofossil or a weathered crinoid stem imprint - what do you all think? I've boxed the imprint in red. Thanks in advance! Monica Views of the imprint: View of the other side of the rock/bryozoan: Close-up of the bryozoan:
  7. Fossil coral,moss?, bryozoan

    I picked this up at the flea market. He told me it was petrified moss...which I dont think it is. Im thinking coral but I wasn't able to find the answer after some research. Its from Arizona and was collected in 1968 and its jurassic in age. Pretty cool fossil.
  8. Hello all! So I've been looking through my collection and noticed a bunch of fossils that I haven't yet identified yet. Some of them are quite peculiar, as I've never seen some of them until now. This'll be a long post with 12 different fossils in need of a name so brace yourselves hahah: All fossils found in Toronto creeks - Ordovician Era - Georgian Bay Formation 1. I thought this was the typical Treptoceras crebriseptum that I always find at my local creek, but when I cracked it out from the matrix I noticed it was perfectly smooth. Maybe its the living chamber of the nautiloid? 2. I honestly have NO clue what this is. Never seen anything like it. I thought it was nothing, but it seems to have such a defined symmetrical shape... ...
  9. From the album Lower Devonian Helderberg Group in Eastern NY

    Plate of brachiopods including Howellella cycloptera, and bryozoans including Fenestella crebipora. Lower Devonian Helderberg Gr. Kalkberg Fm. Rickard Hill Roadcut Schoharie, New York Collected 5/31/20
  10. From the album Lower Devonian Helderberg Group in Eastern NY

    Unidentified large bryozoan from the Lower Devonian Kalkberg formation. Collected 5/31/20 Rickard Hill Rd. Schoharie, NY
  11. Coral? Bryozoan?

    Found these Midwest, likely Iowa, from either Carboniferous or Devonian rocks. Any help in IDing them would be much appreciated. Thanks!
  12. Bryozoan ID

    Any help with identification of the following attached Bryozoans would be greatly appreciated. 001: Collected from Bungonia NSW Australia and is Upper Silurian in age. 002: Collected from Bowning NSW Australia and is Upper Silurian in age. (possibly a Penniretepora sp.) 003: Collected from Bowning NSW Australia and is Upper Silurian in age. and again, thank you for any help given.
  13. Age is Miocene-Pliocene. Bryozoan is an immediate thought, but I'm pretty sure that they're quite rare post Paleozoic, and this kind of encrustation is very common in the locality where the specimen was found. Here is a picture: Bonus thanks if anyone knows with some certainty what the bivalve itself might be from the photo, though I doubt it.
  14. Rickard Hill Road 5/20/20

    Today I was able to get out to the outcrop along Rickard Hill in Schoharie, New York. I didn’t find a ton of interesting things because I was looking in a more crystalline layer of the Kalkberg formation that had less abundant fossils. I found a handful of nice orthid, spiriferid, and atrypid brachiopods and one fenestellid bryozoan. Next time I go I’m going to try and get into a different, more fossiliferous layer because the crystalline rock is hard to break and when it does it breaks randomly, often damaging the fossils.
  15. Today on a hunt in the lower devonian of new york, I found on of the most unusual piece and I can't decide if its bryzoan or possible placoderm.
  16. Bryozoan and Horn coral IDs

    Hello everyone, This will be my final ID topic for a while as I am trying to get some labels for a few fossils in my collection. Here are two fossils of marine animals, the first I believe is a bryozoan, I have no idea of the location or age of either but this piece has a strong resemblance to the devonian Fistuliramus and Eridotrypella from Morocco. The second is a very white and chalky horn coral, I am guessing that it is from somewhere in the US as the person I got it from mostly has US fossils. Does anyone recognize the fossilization on this piece? I am trying to identify where it is from.
  17. Bryozoan i.d. help please

    Could someone identify if these are bryozoans attached to this bivalve from the Faringdon sponge gravels UK please. Scale bar millimetres.
  18. I've got this segment of ammonite chamber apparently nicknamed a "cats claw" due to its appearance. It's from the Faringdon sponge gravels. I'm interested to find out what it is attached to the ammonite chamber. Information I've read regarding the Faringdon sponge gravels is quoted below if it's helps. "The sediments of the Cretaceous, Lower Greensand Formation were deposited in a tidal strait some 114 million years ago (Aptian Age). The palaeo-channel of this constrained seaway was scoured from the Jurassic bedrock and quickly colonised by bryozoa, sponges, brachiopods, bivalves and echinoids. Storm surges are thought to have periodically ripped the biota and regolith, mixing the sponges and bryozoans with Jurassic rock and fossil material to form the sponge gravels." The sediments of the Cretaceous, Lower Greensand Formation were deposited in a tidal strait some 114 million years ago (Aptian Age). The palaeo-channel of this constrained seaway was scoured from the Jurassic bedrock and quickly colonised by bryozoa, sponges, brachiopods, bivalves and echinoids. Storm surges are thought to have periodically ripped the biota and regolith, mixing the sponges and bryozoans with Jurassic rock and fossil material to form the sponge gravels.
  19. With all of your help, I am learning to better identify fossils in the rocks I pick up in my yard - mostly bryozoan and crinoids. Boring to most folks, but still fun for me, LOL! I picked this rock up assuming it was a non native one, but then decided to get my macro lens after it to make sure. I need your help! Do you see any bryozoan or crinoid fossils in these macro photos? I didn't think so at first, but then I started wondering about some tiny things I was seeing. So, if no one sees any fossils, I will just go back to my original idea - that it is a non native rock to our yard. I would also love to understand a bit about how a rock like this is formed! It is a gorgeous rock and I would be happy to post a photo of the whole thing if anyone is interested. Thanks! Ramona
  20. I have so many rocks that I often like to take one and remove as much matrix as I can, to learn more about it. This rock was very interesting! The limestone was very soft and I know for a fact that I removed plenty of small fossils along the way, but I thought I was digging a geode out of the rock (the "original" thing was the dark area). After cleaning thoroughly with vinegar and a toothbrush, I started removing all soft matrix with a dental pick. I was surprised to "break through" to a totally different geode than the one I thought I was digging out! Part of this new geode broke off later, but I was able to see the inside well! :-) I also discovered what seems to be a nice bryozoan fossil? I never did figure out what the original item was - it may still be a geode, but I have stopped for now. I may have seen this before, but just though it was interesting to see the geode and fossil in the same rock. Found in Huntsville, Alabama.
  21. N. Carolina Finds

    A couple of recent finds from Easten North Carolina, Castle Hayne Formation. Scale divisions on all pix are 1 mm. The first specimen is brachiopod, I have it ID'd as Eucalathis sp. Can one of our experts confirm or correct? Second specimen(s) I really have no idea, other than possibly bryozoan, but I can't see any surface apertures. The first pic is of two nearly identical specimens and the remaining pix are of just one. The specimens are not domed, the top surface is a pebble-like texture and the opposite side is a sandy texture. The dark "object' in the center is actually a hole that goes completely through. (Last pic is a profile of it mounted in a pc of putty - sorry for the poor quality picture(s)!) What do you folks think?
  22. Back in April 2017 I posted pics of what I thought was a unique bryozoan encrusted horn coral.... Since then I have come across more while collecting in SW Ohio that I'd like to share. And, yes, the prep can be extensive. The first one, there is no real top/bottom or side view. It is 7 cm across x 10 cm "tall" This one is 4.5 cm across x 4.5 cm "tall". I believe the bryozoan on the following is Constellaria florida This one is 5.5 cm across and 6 cm "tall" This last one is my favorite. I finished prepping it in early March. I think the layering of the bryozoan is amazing. It is 7 cm across x 9 cm "tall" x 4 cm "deep". The horn coral is broken.
  23. cool bryozoan find in the creek

    Hi everyone this is matthew again in the creek today I was fossil hunting and found a very nice bryozoan fossil here is a photo
  24. Hello there! I took advantage of the nice weather we've been having to visit Mimico Creek in Toronto, Ontario (Georgian Bay Formation, Upper Ordovician) yesterday afternoon. Here are some photos of specimens that I'd like help identifying - perhaps @Tidgy's Dad would like to have a look? Firstly - the whole rock which contains the bryozoans and the unknown black objects: Specimen #1: a nice branching bryozoan - perhaps Homotrypa? Specimen #2: a nice encrusting bryozoan (there are actually two of them) - perhaps Mesotrypa? More to come...
  25. I spent yesterday trying out a location along the southwest corner of Tug Hill Plateau in Oswego County NY. There is a road cut exposure that is very weathered. Lots of crumbly mud- and silt-stone, interspersed with sandstone. I couldn’t get very low on the exposure because the river that the highway crosses was high, no shelf or margin of error to climb down. On the Rockd app, this is supposed to be late Ordovician Pulaski and Whetstone gulf, and I wanted to find trilobites. I think I found one fragile flexicalymene, Prasopora (chocolate drop bryozoan), and a big orthocone. Very few trilobite remains in any layer I examined. I hope to return this summer when the water of the river is low...
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