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  1. elcoincoin

    Ammonite Saint-Laon - 2

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  2. elcoincoin

    Ammonite Saint-Laon - 4

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  3. elcoincoin

    Ammonite Saint-Laon - 5

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  4. elcoincoin

    Ammonite Saint-Laon - 6

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  5. elcoincoin

    Ammonite Saint-Laon - 7

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  6. elcoincoin

    Ammonite Saint-Laon - 8

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  7. elcoincoin

    Ammonite Saint-Laon - 9

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  8. elcoincoin

    Ammonite Saint-Laon - 11

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  9. elcoincoin

    Ammonite Saint-Laon - 12

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  10. elcoincoin

    Normannites sp

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    a Normannites ammonite from Saint-Laon (France) - Bajocian - collected in october 2020
  11. elcoincoin

    Indet. Nautiloid

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Indet Nautiloid from Nanteuil (either Bajocian or Bathonian)
  12. elcoincoin

    Peltoceras sp

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    a Peltoceras ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  13. elcoincoin

    Oecoptychius refractus

    From the album: 2020, a year in review - 3 : cephalopods & gastropods

    Oecoptychius refractus a weird ammonite from Saint-Laon (France) - Callovian - collected in october 2020
  14. Samurai

    Weird Fossil ( Missouri )

    Location is in Missouri The area is dated to the Pennsylvanian Formation: Probably apart of the Raytown limestone member Found this weird fossil on my latest fossil hunting trip, I personally believe it to be some sort of Amminoid since the pattern seems to extend away from the shell and not towards it, but I have only found Nautiloids in the area ( Only 2 spiral shaped specimens that do not look like this and 3 cone shaped.) If anyone can Identify if this is a an Ammonoid or something else I would love to know more! the middle Section with the weird ball like pattern in the middle and what I assume are gas chambers around it
  15. I was trying to find the longest straight shelled cephalopod length but was unsuccessful, I heard anywhere from 7-14 feet. What's the real answer? Thanks.
  16. Allodon

    Pennsylvanian Fossil ID

    Hi everybody, I was wondering if you could help me with this. I found this rock among the Ames Limestone around Pittsburgh. The limestone's chock full of crinoids and corals, but I wasn't sure what this fragment was. It looks like it might be from a cephalopod (belemnites or bactrites maybe?), but I'm really not positive. Could you guys help me out here? Thanks!
  17. Rockhounder1

    Unusual hollow cylinder

    This was found in southern Colorado. I’m not sure what it is.
  18. I collected this little worn cephalopod in a stream in Peoria County Illinois. The area is primarily Patoka-Shelburn Formation Undivided (Pennsylvanian) but it wasn't found in-situ. I sectioned a piece for identification and the siphuncle seems large for the Pennsylvanian cephalopods known from the area. To my eyes it looks a lot like Actinoceras (which I guess would mean Ordovician) based on the position and size of the siphuncle. Does anyone have any other ideas?
  19. I_gotta_rock

    Nautiloid

    From the album: Delaware Fossils

    Eutrephoceras sp. Cretaceous C and D Canal Delaware City, Delaware Mt Laurel Fm.
  20. I_gotta_rock

    Shell Made its Own Pedistal

    From the album: Delaware Fossils

    A Gryphea vomer bivalve made itself at home atop the internal mold of a tiny Baculites ovatus cephalopod. The whole thing is about 3 cm tall. Found in the Cretaceous spoils sands of the C&D Canal, Delaware
  21. Hey guys, the first one actually doesn't looks like a cephalopod, maybe part of a trilobite (from the Baltic coast)? 2. This flint remembers me of something from the bottom of the sea. Any Idea? Thanks in advance!
  22. Pippa

    Nautiloid

    Hello all, I don't know much about cephalopods and really could use your help. I found this small rock with the tiny nautiloid specimen in the banks of the Rock River in Ogle county, Illinois. The area's bedrock is Middle Ordovician (Mohawkian, Ancell Group). I believe it belongs to the order of the Actinoceridae. The "camerae" end in double pointed arches instead of a straight edge, just as Wikpedia's illustration shows in the 2nd pic below. What seems to be unusual in my specimen - can't find any photos of this anywhere - are the rounded camerae, vs the tightly lined-up straight banding on other specimens. (I'm not sure about the correct terminology...sorry). If I'm not totally off base, is there a chance to narrow down the ID further? Thanks in advance. General form of Actinocerid:
  23. Timer period: Pennsylvanian Location: Missouri Formation: Not exactly sure. Found in an abandoned rock pile containing limestone from the Iola Limestone Still it is a possibility it came from limestone from the Upper Winterset limestone. Hello! I found this nautiloid a long time ago and it was too heavy for me to carry the chunk of limestone that contained it, but before I left I got a few pictures of the specimen! Once I observed the photo a few weeks later I had the biggest regret of my life as it might contain an impression of soft tissue! I don't know If my mind is playing tricks on me but I think it might contain soft tissue. The thought is driving me crazy since I am always doubtful when I find fossils like these and due to my own lack of experience. Can anyone confirm if it does contain soft tissue? Is this a tentacle? or my imagination? Here are photos I edited in photoshop in order to see if I can make the features more visible (Above) Added more saturation and darkened (above) Added saturation and brightened the image I would like to note I have returned to the area but I have had no luck in finding it again and these are the clearest images I could obtain and I apologize for the blurriness Here are the images in their natural file size and some additional images: https://imgur.com/a/80wzODc If possible I would also love to know its species but I find that unlikely since it is bisected and poorly preserved shell wise.
  24. Around 2in or 5.08 cm or 0.051 meters
  25. NWARockhound

    Sandstone Nautilus Steinkern?

    I found this intriguing rock in Northwest Arkansas, in the Bloyd Formation I believe (carboniferous). It really looks like a steinkern to me, but I've only found limestone steinkerns before, hence my doubts. It's approx. 3" x 2"
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