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Found 103 results

  1. Nautiloid Eutrophoceras

    From the album Central Texas Fossils

    Nautiloid Eutrohpoceras - Austin Chalk Formation
  2. Nautiloid Cymatoceras

    From the album Central Texas Fossils

    Nautiloid Cymatoceras - Georgetown Formation
  3. Hello to all! Its been a very long time since I've been on here, but my recent trips around the creeks in Toronto, Canada (in the Etobicoke area) have yielded some of my largest and most defined finds of all time, here are some of the nicest Orthoconic Nautiloids I had found yet: Probably the nicest one in my collection at this moment, found almost completely by fluke when I hit a rock with my pick and this bad boy showed up Imprint made by the previous one These last couple would be way nicer, if only I could find a way to get it out of the rock matrix without completely destroying the specimen :/ ... Anyways, it good to be back and hunting this summer after a somewhat stressful finals season. I also have wayyyyyy more stuff that I found such as some unusually large and defined bivalves and tentaculites (maybe?), but I might save those for another time as they definitely weren't as cool as these ones. All were found along river rock deposits In the west side of Toronto (Etobicoke, Humber and Mimico creek) - Georgian Bay formation, excavated using rock pick and chisel.
  4. Pennsylvanian Nautiloid

    This one is found in Yangquan of Shanxi, China, together with Domatoceras and Huangheceras, Pleuronautilus etc. This one has an envolute , slowly exapanding coil, with an edge on the bottom side (missing on the top side possibly due to wear and tear) . It seems to have an wavy profile, possiblely due to large nodes. any clue what it could be?
  5. Nautiloid ID

    Hello all, I found this nautiloid fragment in the Kope Formation out of the Cincinnatian series in Northern Kentucky. Suspecting this to either be an Endocerid due to the size or perhaps even a coiled nauitoid due to the curvature in the camerae towards the end with the siphuncle sticking out and the general shape of the specimen, unfortunately not preserving detail towards the other end. I was thinking it could be Characteroceras due to them being found in the Kope, but it seems to be too big. Seems like this guy died, sank to the bottom and preserved the side that planted in the Ordovician mud, interesting that you can still see the outline of the siphuncle on that end. Curious as to what you all think, I just don't know what to put it in as for my database. Thanks you all!
  6. bivalves and orthocone

    Also from @Kane, i'd like a little help to determine those devonian ones 1) From Deep Springs a) 2.4 cm hight, 3.2 cm width Grammysioidea arcuata ? b ) Modiomorpha ? Grammysia ? 4 cm hight, 2.5 cm width 2) Widder formation, Eifellian : a) 2.5 cm hight, 1.7 cm width b ) 4.7 cm hight, 2.9 cm width for the taller and 1.5 cm of thickness for the other one.
  7. Leicester Pyrite Member. This layer between the Windom and the Geneseo black shale represents a sea of death. I find very few types of fossils in this hard to process layer of solid pyrite. Well preserved cephalopods and Placoderm armor (Placodermi is a class of armored prehistoric fish) are the most common fossils found. This very thin horizon can be easily found in the outcrop if you just look for rust dripping down and staining the grey shales below this pyrite layer. Every year or two, a piece of Leicester Pyrite will fall from its position high up in the outcrop and slide down to the creeks edge. It takes a lot of work to process the pyrite for fossils. Every blow with your hammer delivers the strong smell of sulfur and a ton of sparks. The reward for all this patience and hard work are fossils preserved in brilliant fools gold. This unit is also the only rocks in my area that routinely contain the armor of Placoderm fish. Click this link for a detailed description of this unusual formation - http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.835.6976&rep=rep1&type=pdf&fbclid=IwAR0qdFymJq-Hd1_SqU3j3yDw5Trl0ih_KohTv-26Du3b1m9g9s2IYKlW0Xc
  8. Good morning folks. I have a Dolorthocera pseudorthocerid, nautiloid cephalopod. It's Carboniferous period from Serpuhovian Stage, Brontsy quarry, Kaluga region of Russia. Can anyone confirm the ID or provide a link where I can perform some additional research? Thanks in advance.
  9. Here are some Nautiloids that I collected from the Eocene, Nanjemoy Formation of Maryland. I believe that they are Hercoglossa Tuomeyi. I’ve found lots of fragments but these are the larger, more complete specimens. Most of the outermost shell material is gone with the exception of the large specimen back, right which still has most of it. The large specimen center, back measures 12”x10”x6” and weighs 35 pounds. I about broke my back lugging it more than a mile off the beach. I’m not really sure that the small specimen on the stand in the center, back is the same species as it does seem to have different features from the others. Marco Sr.
  10. Orthoconic Nautiloid?

    I made a trip to my new favorite Upper Ordovician (Drakes Formation) spot today (working on a field trip report ). I came across a few of these cylinders, which I believe are orthoconic nautiloids. I found them in many different sizes. Some taper as I would expect from an orthocone. However, they do not have the suture lines or septa that I am used to seeing. Some have what appears to be a possible siphuncle in the center while others do not. Here are a few pics of some of the more interesting ones. I can provide more if needed. Thoughts? Thanks in advance for any assistance! This one is about 3cm in diameter and 7.5 cm length. Number 8 in first pic. There are also a couple that have this twisting pattern on the outside. This one is about 5cm in diameter and 3.5 in length. Number 4 in first pic. Possible Siphuncle? 1 cm in diameter. Number 7.
  11. Blair County, Pennsylvania (USA) Silurian... According to the map the likely guess is Clinton Formation, but my gut on site said "Wills Creek" Anyway, what do I have here? Small straight nautiloids or Tentaculites? How do you tell them apart?
  12. ID confirmation request

    Hi, does someone know if this imprint is from a shell, ammonite or nautilus?
  13. prepped moroccan nautiloid?

    hi guys, every one knows and recognises probably the most commonly sold fossil in the world, the "orthoceras" though not actually this species, they are always ground down and i was wondering whether anyone had some actually properly prepared pieces that show enough details to be identified?
  14. Greetings from Texas! So I have posted previously about my hunt to find all the species of Echinoids in Texas. Well, I am also on the same fossil quest for all the ammonites, nautiloids, baculites, turrilites and belemnites I can find as well! When looking for one, you might as well look for the other! So I thought I'd start a post of my ongoing hunt for all the cephalopods. I'll start with some of my finds from the recent past and I am still working on my identifications, so please do assist if you notice the wrong ID! Thanks and also post some of your finds! I'd love to see 'em! Start with some of my "backyard" finds (within 20 min drive). I am lucky to have quite a few hunting locals near me, so I occasionally find these lovely little Budaiceras from the Buda formation. I don't think this is Budaiceras, but i actually DID find it in my backyard.....in the creek behind my house, which is Edwards Formation, I believe. Not a great specimen, but the fact I found it in my actual backyard makes it special to me.. . I also find quite a few Engonoeras near me - usually small but decently preserved - I am fairly certain it is from the Glen Rose Formation: Another nice little section from a different spot, also Glen Rose: Best one, however, was from Harker Heights (which is a bit over an hour away) in the Walnut Formation: That'll do for now. More to come in the near future!
  15. Hi we've found these fossils in buffalo ny and based only on google searches we see resemblance with eurepterids as well as straight shelled nautiloids. Any help would be greatly appreciated. The photos shown are all different fossils I have them labeled a through c to make identification discussions easier. Thankyou in advance, we're learning!
  16. I have this nautiloid/ammonite that I *think* comes from the "Bear Paw" locality of Montana (Cretaceous) - or at least that is the info I have for it. Can anyone tell me if this is correct, and what species/type of fossil ammonite this is? Thanks!
  17. Hy guys, So I got this nautiloid in a wholesale and when I got home I realized this kind of small "hole" in the inner part of the shell. My doubt is if this is reminiscent of the siphuncle or it was made by someone. What do you think?
  18. Nautiloid Cymatoceras.JPG

    From the album Central Texas Fossils

    Nautiloids Cymatoceras Found in Hays County
  19. Nautiloid - cymatoceras.JPG

    From the album Central Texas Fossils

    Nautiloid Cymatoceras Found in Hays County
  20. Fossil

    Hello guys I’m not 100% yet weather this is a amonite or nautiloid as it’s has like line prints length ways instead of across and it swirls
  21. Orthoceras?

    Was given to me as a gift. Not sure where from.
  22. Ammonite or Nautiloid?

    I was given this as a gift as a child. I gave the other half to a friend some time ago. Here Are the Pictures my dudes:
  23. And another from Jacksboro

    Here is another I found at Lost Creek in Jacksboro, TX, Looking for ID help.
  24. from Jacksboro, TX

    Found this first one in Jacksboro, TX, Lost Creek Dam. Finis Shale Formation, Pennsylvanian. Would like to identify. Gastrioceras? or maybe Vidrioceras?
  25. Nautiloid? Ordovician, NT, Australia

    Hello everyone! I've been examining a fossil I found a short while back and wanted to try and confirm my suspicions that it is a Orthoconic Nautiloid. Interested to hear some opinions from those more knowledgeable than I. So far I've been struggling to find good resources describing the different species found in this formation, it seems the work of John Laurie should possibly be my focus. The diameter of the possible siphuncle seems unusually large and positioned in very close proximity to the outer shell. I seem to remember reading something about the siphuncle moving closer to the outer shell as the nautiloid ages. The fossil was found in Maloney Creek, NT, Australia and comes from the Horn Valley Siltstone, early to middle Ordovician (487 Ma - 468 Ma). Feel free to ask for any additional photo angles, measurements or further information on the location. I also have a number of specimens from the same location that are clearly straight-shelled nautiloids, but likely another species.
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