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Found 160 results

  1. The winner of the April 2020 IPFOTM goes to... Arbacia improcera echinoid - Pliocene, Yorktown Formation Zone - Craven County, North Carolina Congratulations to @sixgill pete !!!
  2. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends May 9th. Be sure to vote in our other FOTM poll, HERE 1. Lepidostrobophyllum seed bract - Pennsylvanian / Francis Creek Shale - Mazon Creek, Illinois 2. Gastropod steinkern covered with calcite - Cretaceous - (75-90 Ma) - North Sulfur River, Delta County, Texas 3. Isotelus gigas trilobite - Middle Ordovician, Trenton Formation - Herkimer county, New York 4. Triarthrus eatoni trilobite - Middle Ordovician, Trenton Formation - Herkimer county, New York 5. Ectenocrinus simplex crinoid - Ordovician, Cincinnatian Series, Edenian Stage, Kope Formation - Pendleton County, Kentucky 6. Foraminifera - Pennsylvanian, Winterset Limestone - Kansas City, Missouri 7. Clypeaster sp. echinoid - Miocene (Burdigalian), Calcarenitos e margas da Fonte - Sesimbra, Portugal 8. Arbacia improcera echinoid - Pliocene, Yorktown Formation Zone - Craven County, North Carolina
  3. Worm Borings?

    Hey everyone just wanted to check in with you all and see how you are doing. I also wanted to inquire about these Worm Borings/Concretions, and what our members consensus might be. Maybe our resident concretion collector @Ruger9a would be able to help me out. Anyway, here are the pictures: Here is a photo of the excavation site:
  4. Hello, I'm looking for an ID on a relatively well preserved marine fossil found in a south florida gravel bed with many bivalve and brachiopod fossils nearby. Any help would be much appreciated. Thanks in advance.
  5. Invertebrate ID help requested

    All, This is my first post, although I have been reading with interest for some time. As I approach retirement, I find myself returning to the hobbies of my youth, including fossil hunting. I found these fossils in a single rock in Northeastern Oklahoma (a few miles South of Tulsa). It came from demolished concrete structure, so I do not know where the rock originated. The rock is very hard and very fine grained. It reminds me of chert or a very hard limestone. The first photo shows one end of the rock, where the closeup photos were taken. The fossil in the upper left is about one inch (2.5 cm) in length and about one-half inch (1.3 cm) in height. The second photo shows a close-up of this fossil. I am nearing the file size limit, so I will attempt to reply to this topic with additional photos. I would be grateful if forum members can help me with identification. Best wishes.
  6. The winner of the March 2020 IPFOTM goes to... Scolecodonts (maxilla/jaws) of polychaetes (Protarabellites or Oenonites & Ramphoprion) - Georgian Bay Fm, Upper Ordovician - Mimico Creek, Toronto, Ontario Congratulations to @Monica !!!
  7. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends April 9th. Be sure to vote in our other FOTM poll, HERE 1. Palmoxylon sp. (fossilized palm) - Kirtland Formation, Upper Cretaceous - San Juan County, New Mexico 2. Venerid (bivalve shell) - 1.3 Ma, Pleistocene - North East Punta Cana, Dominican Republic 3. Conocardium cuneus (rostroconch) - Devonian, Amherstburg Fm - Ontario 4. Syringopora multattenuata (tabulate coral) - Bethany Falls Limestone Member within the Swope Limestone, Carboniferous - Kansas City, Missouri 5. Spiriferid brachiopod with internal spiralia - Mississippian - Henry County, Missouri 6. Rhizopalmoxylon sp. (palm root) - Kirtland Formation, Upper Cretaceous - San Juan County, New Mexico 7. Ostrea digitalina growing on Turritella partschi - Langhian/Badenian, Miocene - Wetzelsdorfberg-3, St. Josef, Styria, Austria 8. Sponge (Phylum Porifera, Class unknown) - Naco Formation, Pennsylvanian - North of Payson, A rizona 9. Bryozoan encrusted crinoid segment - Chainman Formation, Carboniferous - Utah 10. Abertella dengleri sand dollar - Hawthorne Group, Peace River Formation, Late Miocene - Peace River, Hardee County, Florida 11. Periarchus pileussinensis sand dollar - Tivola Limestone, Late Eocene (~35 Ma) - Perry, Georgia 12. Chlamys spillmani clinchfieldensis scallop with both valves - Tivola Limestone, Late Eocene (~35 Ma) - Perry, Georgia 13. Scolecodonts (maxilla/jaws) of polychaetes (Protarabellites or Oenonites & Ramphoprion) - Georgian Bay Fm, Upper Ordovician - Mimico Creek, Toronto, Ontario 14. Cunningtoniceras inerme ammonite - Middle Cenomanian, Cretaceous - Northern France 15. Unknown echnioid - Ozan Formation Red B eds, Cretaceous - North Sulphur River, Fannin County, Texas 16. Glyptocrinus deculatus crinoid - Fairview Formation, Cincinnatian Upper Ordovician - Maysville, Kentucky 17. Rhinocaris columbina phyllocarid - Hamilton group, Moscow formation, Windom Shale, Middle Devonian (Givetian) - Madison county, New York
  8. Friends- Thanks for your patience with my last couple of posts, these concretions are a carnival ride. I collected this delicate little (9mm) winged insect in 2010 at the Mazonia-Braidwood South Unit. Any thoughts on what ballpark I should be looking in for an ID? Some kind of damselfly, maybe? (Is it possibly newly-hatched with uninflated wings?) I appreciate your time.
  9. Ok. So, apparently I need my eyes examined... Thanks, everyone. Maybe I'll have better luck with invertebrates. I'll post more photos separately, but here's a preview:
  10. Hey everyone! This will be my first attempt at a trade in the TFF. Im offering a variety of fossils from the Price Creek Formation of Humboldt County, Northern California. This formation has been dated to late Miocene early Pliocene. As far as to what I’m looking for in this trade, I love all things Mollusca! Gastropods, Bivalves, Ammonites, Belemnites or Brachiopods, I’ll take them all. Invertebrates of any kind will strike my fancy though. The weirder the better. I’ve seen some Ram’s Horn Oysters that are awesome! I have no qualms about trading for these as a whole set, however shipping would be cheaper. I’m willing to ship anywhere in the United States, if your international I’m afraid that you’ll have to absorb that cost. I really appreciate all the knowledge that members have been forthcoming with sharing. Please pm me if your interested. -Nick
  11. Hey everyone! I’m starting this post as a continuation of this post: http://www.thefossilforum.com/index.php?/topic/102463-virtual-fossil-hunting-field-trip/ I’ve decided to start this new thread in prefer to better conform to the sites organizational structure and to serves as a more permanent home for my future adventures. So, if you haven’t already seen it, in encourage you to read it in order to catch up. In light of our current events I’ve decided to practice some self quarantine at my favorite fossil hunting location. The rocks here, the Rio Dell formation, represent an eastward trending embayment from the Pleistocene, overlain by orange conglomeratic sandstones called the Carlotta Formation, indicating and delta environment that fed into said bay. These have all been uplifted by the numerous and complex fault systems that Northern California is famous for. This site is easily accessible via a trailhead about 350ft above the beach.
  12. March 17th, 2020 Peace River

    I've spent the last few trips Socially separating on the Peace at Zolfo Springs. Yesterday I found some pretty interesting stuff. I've switched back to a 1/4 " screen for a while because the 1/2" and the extended shovel handle was killing me. As a result, I've gotten a ton more small shark teeth, but have been able to process a lot less material. This was the total take for Tuesday. The invertebrates are the most interesting I think. In the lower left corner is a juvenile Abertella aberti with some minor damage but an intact perimeter. I've got a question about the sea biscuit though. It is clearly a Ryncholampas sp., but which one? This is Hawthorne group, not Suwannee, so should I assume it's R. chipolanus? Close up pictures follow.
  13. The winner of the February 2020 IPFOTM goes to... Metopaster sp. sea star - Lower Thanetian, Paleocene - Southwest France Congratulations to @caterpillar !!!
  14. Penn Dixie Invertebrate Identification

    I found this specimen at Penn Dixie last spring and I thought it would be good practice for prepping since I'm new to it. I at first assumed it was a piece of broken shell, but as I chipped away at it with a pin vice, I found that it was much bigger in size than I thought. I am having trouble figuring out what it actually is even though I've removed a substantial amount of material at this point. There are striations that are similar to a lot of bivalves in the area but the general shape appears more coral-like in my opinion. What does everyone else think?
  15. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends March 9th. Be sure to vote in our other FOTM poll, HERE 1. Metopaster sp. sea star - Lower Thanetian, Paleocene - Southwest France 2. Pecopteris sp. fern frond - Upper Carboniferous - Betteshanger, England 3. Pinnularia plant root - Lower Pennsylvanian, Gobbler Formation - Sacramento Mountains, New Mexico 4. Lovenia woodsii echinoid cluster - Beaumaris Sandstone Formation, Upper Miocene to Lower Pilocene (4.5-6.5 Ma) - Victoria, Australia 5. Crenulopteris acadica fern and Leaia tricarinata branchiopods - Energy Shale, Carbondale Formation, Pennsylvanian - Vermilion County, Illinois 6. Laevidentalium sp. scaphopod shell - Upper Oxfordian, Amoeboceras Serratum Zone - Bronnitsy, Moscow Oblast, Russia 7. Hypoturillites tuberculatus heteromorph ammonite - Lower Cenomanian, Cap blanc Nez, France 8. Platyceras gastropod - Warsaw Formation (Mississippian) - Missouri
  16. Tiny Bilateral ??

    Sorry about the tag ambiguity but I’m at a loss. This was recovered from an old fossil collection sold retail in about 1955. Any ideas would be helpful. Family? Genus? species? US Penny (and cat hair) for scale. Thanks, Glenn
  17. Hi Everyone! I should preface that this collection of photos were taken on multiple occasions to this location. I just wanted to share with you all typically, what my experience fossil hunting is like. This is not the only location or formation that I personally collect from, but it is the most frequent location I visit and is relatively accessible at all times of year. Anyway, essentially what we’ll be seeing here is the deposits of a 2ma old bay, represented by the Rio Dell Formation, then the Carlotta Formation, orange conglomeritic sandstones representing a delta that flowed into said bay, all uplifted by a faults driven by subduction. ON TO THE PICTURES!
  18. The winner of the January 2020 IPFOTM goes to... Belotelson magister shrimp - Francis Shale, Middle Pennsylvanian (~307 Ma) - Mazonia South (Pit 11), Illinois Congratulations to @stats!!!
  19. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends February 9th. Be sure to vote in our other FOTM poll, HERE 1. Unidentified coral - Coral Rock Formation, Pleistocene - Barbados 2. Texaster sp.? echinoid - Cretaceous - Ericeira, Portugal 3. Physetocrinus lobatus?, Physetocrinus lobatus?, unknown crinoid, and Orophocrinus saltensis blastoid - Mississippian Escabrosa Formation - Superior, Pinal County, Arizona 4. Two Cunningtoniceras inerme ammonites - Middle Cenomanian - Northern France 5. Composita subtilita brachiopod with naturally exposed brachidium - Naco Formation, Middle Pennsylvanian (~309 Ma) - near Kohls Ranch, Arizona 6. Belotelson magister shrimp - Francis Shale, Middle Pennsylvanian (~307 Ma) - Mazonia South (Pit 11), Illinois
  20. 2019 INVERTEBRATE/PLANT FOSSIL OF THE YEAR (IPFOTY) Unidentified (trigonotarbid?) arachnid - Late Carboniferous (Westphalian D), Osnabrück Fm. - Piesberg quarry near Osnabrück, Germany Congratulations to @paleoflor!!!
  21. Invertebrate bed id

    Found on 1450 meters above sea level in the anti mount lebanon range (mid to northern part). Those mountains are the natural separation between syria and lebanon. a local cut on a 90 meters hill to extract construction stones exposed few fossils among the debris. Just cleaned it with water. looking very close, the agatization is cristal clear.
  22. Hello everyone! A friend of mine was just given a group of fossils from a relative and has very little/no info on them. Through searching through this forum, we were able to I.D. most of the pieces, but this one we were unable to recognize and were hoping someone could help. There is no locality information associated with it unfortunately. Thank you everyone for your time/help, I really appreciate it!
  23. Hello everyone, I have decided a while ago that I would focus on collecting Paleozoic material, because of this there are quite a few fossils I have that I purchased a long time ago and do not have an interest in keeping, these guys are not that special and I am not looking for much of anyone even does want to trade with me, but I do prefer Paleozoic material. I will post what I have here. 1.Lebanese shrimp fossil Cretaceous GONE/TRADED 2. Geocoma carinata I believe from the Solnhofen 3. Chunkosaurus 4.some cretaceous teeth, spinosaurus, Squalicorax, scapanorynchus, enchodus 5. Some gastropods 6.otodus obliquus Morocco eocene
  24. The winner of the December 2019 IPFOTM goes to... Amoeboceras alternoides ammonite and Dicroloma cochleata gastropod - Jurassic, Upper Oxfordian - Bronnitsy, Moscow Oblast, Russia Congratulations to @RuMert!!!
  25. I am really trying to learn my common invertebrate fossils. Can someone, once again, confirm my tenative identification, or correct me? I really appreciate it. The fossil in question is this oval fossil. After doing some research my guess is it is a crinoid of some sort. I am guessing that the little "nipple" in the center of the oval is where the normal hole is, but why does it have a line disecting the oval into two distinct parts? If it is not a crinoid, can someone please tell me what I am looking at, and where I went wrong on my identification? Thanks, Doug
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