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  1. Caroboneferous

    Swirling lines found in rock

    I've been finding fossils in limestone, sometimes I find fossils in rock that also appears to have these irregular lines interspersed. They are all shapes and sizes, I’ve attached some pictures. I am just curious as to what these are. Carbonized plant material? Or just inclusions in the rock?
  2. Caroboneferous

    Fusulinids?

    Found this piece near a bunch of Carboniferous fossils in limestone, any ideas? It seems to look like fusulinids ? They are supposed to be common, Found in Kansas City near Carboniferous fossils.
  3. aileen c

    Help? What are these

    Hi, my son was desperate to find a fossil.while on holiday. Can you help identify the 2 things we found? A geologist friend suggested one is coral. The pitted texture seems to go right through to the other side. Thanks for any help. Aileen
  4. Arden

    What is it?

    We found this in a tributary of a creek that runs through my sister's backyard in St. Louis, Missouri. Also found druzy quartz, brachiopods, bryozoans, and other molluscs and a few geodes. It looks like burrows in rock (flint?) Top photo shows cluster of shells found at the bottom of the tube. The rock is about 1 square foot in size. Is it a trace fossil of a burrowing mollusc? Any information will be greatly appreciated.
  5. Hi guys, I recently started learning to fossil hunt for my son as he loves dinosaurs and on our first trip we found this in a limestone. I am completely new and really sorry if this borders on an insult to some of your experience but I have no idea whether to crack the rock open and have a look or whether I’d end up breaking a fossil of some kind if I did or whether it is just a mineral running through of some sort! There was a much larger rock with the same streaks but in a diamond shape on the beach so if it is a fossil I’ll be running back there ASAP Tha
  6. Jurassicz

    Weird limestone fossil

    Does anybody know What this is? Found on a beach in Sweden but came from Denmark with the glaciers. I posted something before but a guy said the picture was not there so tell me if u cant see it and if so please then tell how to post im new here
  7. richardleopold

    tubular ridged fossil?

    As the hammer in the picture shows, it is about 10 inches long. Thanks for any help. So regular no sure if it was organic matter, but is now limestone.
  8. Should this be required for the Ladonia Texas fossils and choctaw county Oklahoma? Mosasaurus vertebrate? Mosasaurus web digits? Mosasaurus teeth? Goblin Mosasaurus teeth? Shark or fish teeth? Shrimp fossil? Pupa fossil? Worm tube fossils? Ammonite fossils? Baculite fossils? Sea urchins fossils? Limestone fossils?????? Snail & gastropod fossils?
  9. After finding a few larger trilobites last year, I found my first trilobite of this season today. It is the smallest trilobite I have found yet, at 'only' about 3 inches in length, but it looks to be inflated and fairly complete. I am trying to determine if I should have this prepped, like my other ones. Thoughts? Also, am I correct in assuming this is an Isotelus, as with the other trilobites I found last year? Thanks,
  10. Gilby

    Freshwater Fossil

    Found this fossil loose on a limestone shoreline on St. Joseph Island located at the north end of Lake Huron in Ontario, Canada. I am a civil engineer and have some experience with rocks but I’m fairly new to fossils. Any help identifying would be great!
  11. I've had these for close to 20 years now and have shown some of them before but figured it was time to do a proper job of looking for info. (If I did before, I can't find the topic) I know nothing about these, either ID or location. They were part of a batch of fossils I received from an old rockhound couple in Nanaimo, which wasn't too carefully curated (a common problem with rockhounds/casual fossil collectors). Looking for info on the mystery items from that lot is what brought me to the Forum in the first place more than 10 years ago. I know Riley's Canyon, Utah has red corals, b
  12. patrick plesiosaurus

    Carboniferous limestone fossils??

    I am wondering what fossils you can see in these rocks. they are all carboniferous limestone (prehaps not the red/brown one). I can see Bivalves, coral, crinoids, brachiopods (I think), And nothing else. Why aren't there other carboniferous life. (I understand soft parts go) These rocks are packed with fossils, what can a real paleotologist see?
  13. DrogaMleczna

    Syringopora coral preparation

    Hi I have syringopora coral that I want to make more visible. Right now most of it is buried in limestone. I don't want to remove all matrix, just make "tubes" more visible and appealing. Will soaking it in white vinegar do the job?
  14. DrogaMleczna

    Fossil coral ID

    Hi I found this fossil in gravel pit near Zgierz, Łódzkie, Poland. I think it's syringopora coral, but I'm not sure. I think it's worth noting that fossils from this area are glacial erratics.
  15. patrick plesiosaurus

    Unknown fossil carboniferous

    Here is a fossil I found in some carboniferous limestone. Does anyone know what it is. It was found in the limestone of the berwick upon tweed area N england.
  16. Hello fellow fossil hunters. Below is a photo of the array of fossils I found. Each fossil is labelled with a number and it would be awesome if I could get each one identified. I thought ahead and took the photo on grid paper with each square being 5mm. Item 1 is just some quartz crystal I picked up, item 4 is a piece of some unidentifiable shell and the rest are legit fossils. I am a rooky and an amateur so please let me know if I get anything wrong or if I need to add any more detail. Location: Batesford Limestone quarry, Geelong, Victoria, Australia. Geology: Sometime betw
  17. This triangular prism is covered in small fossils of coral, bivalves, and trace fossils. The main question I have is about these 6 curvy lines going through the entire rock. Bioturbation? Stromatolite? Erosion? It was found just outside of Las Vegas.
  18. I found this oddity today while examining some fine grained finds. This is basically soft limestone, where the rock is pretty soft and most of the calcite has been dissolved. I forgot to include a scale, but if I were to guess, it's about 1/2" across the structure (12.7mm). I plan on measuring again. There were several of these throughout the piece, but this was the most prominent. My guess is some sort of Bryozoan.
  19. Hello again, I was doing some surface collecting in Oakland County michigan-- typically the fossils around here are preserved inside of pieces of limestone... I'm no expert on fish or sharks so I'm not sure what exactly this imprint is, but it reminds me of a tooth. Would anybody be able to confirm/deny this? The rock in question is about the size of a dime. Thank you!
  20. Markfothebeast

    Fossil Identification in Western Wisconsin

    *Higher resolution and many more images linked below to Google Drive for a clear view* Fossil: Large limestone rock containing hundreds of marine fossils and with what appears to be a bone roughly 3cm in diameter. As well what appears to be the remains of other bone structures. Location: Found 10 miles from the Mississippi River near Ellsworth, Wisconsin USA (Western Wisconsin) in a low valley area that looks like an ancient river bed. Rock Measurements: Roughly 15cm x 28cm My Understanding of Geology and Paleontology: 2/10 *There are
  21. I grabbed all these samples over the years from the same rock quarry in western New York, which excavates the Middle Devonian Onondaga Formation. I believe most of these are corals, but I was hoping someone could help specify what type of coral so I can organize them a bit better. I resized the pictures with the provided links to lower the quality, hopefully they are not too big still. Appreciate the help. 1. Two different fossils in this cherty material, on left I believe this is Rugose Coral because visible septa, but on the right above the letter "L" in the coin I am not
  22. We are on the edge of the Vale of Clwyd in North Wales surrounded by limestone. Much of this limestone is full of fat, coiled fossils which I initially thought were ammonites (on the basis that in my ignorance coiled fossil = ammonite!). I have since learned that there are no ammonites in these rocks - correct?. Today though, my wife was doing some garden digging and found the specimen shown in the photos attached, loose in the soil/rock debris. This looks like an ammonite to me! Can anyone tell me what it is and whether this is its 'birthplace' so to speak. The scale in the pictures is MM.
  23. Samurai

    Calamite #3

    From the album: Missouri Plant Fossils

    roughly 2.8cm
  24. Samurai

    Neuropteris sp. Leaf

    From the album: Missouri Plant Fossils

    Roughly 2.3 cm Long
  25. Yesterday: fossil hunting with my girlfriend in Limburg. Many Cretaceous limestones and good fossil specimens! Including a really big and complete Pycnodonte vesicularis (Lamarck, 1806). My second biggest Pycnodonte. Many belemnites (including a real cool black one!), two pieces (including a big one) from the same genus (Pycnodonte) and one sea urchin Echinocorys sp. or Echinocorys scutata (Leske, 1778). Also one recent cow/bovid tooth and a piece of vase. The two photo's on the right are from another (earlier) trip (fossils are on the ground in a field. Finds: one sea
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