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Found 26 results

  1. Time Period: Pennsylvanian Location: Missouri Formation: Most likely Winterset limestone Hello! I am currently puzzled on weather or not this is a Conodont or some fragments from Brachiopod. I am thinking it could be broken parts of a shell or broken pieces of a Brachiopods fossilized lophophore supports from a very small specimen! I have not found any conodont specimens from this location yet as I usually do not hunt for them Images in natural file size: https://imgur.com/a/KNeqtZn
  2. https://phys.org/news/2020-11-paleontologists-identical-evolution-isolated.html Paleontologists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and the University of Calgary in Canada have provided new proof of parallel evolution: conodonts, early vertebrates from the Permian period, adapted to new habitats in almost identical ways despite living in different geographical regions. The researchers were able to prove that this was the case using fossil teeth found in different geographical locations. A scanning electron microscope image of a dental platform element from the Conodont genus Sweetognathus, collected in Wyoming, USA. This specimen is between 293.7 and 294.9 years old. Credit: David Terrill, Charles Henderson Not going to lie...I misread the genus as "sweathog"
  3. Harding sandstone question

    Hi guys, I recently purchased some processed Harding sandstone, I was looking for unprocessed stuff but I could not find any for sale so I had to just go with this. The fossils arrived today and I have been examining them with my microscope, I find this stuff very fascinating. My question is regarding these fossils here: the ID guide that came with them claims they are sharks but I find this strange, I believe chondrichthyes only appeared in the Late Silurian so how could this be? Are they something else, and if so do we know what that something would be? Also if they are sharks would we not also expect to find their teeth, yet they seem absent in this matrix. Thank you, Misha
  4. I finally got some microfossil slides and I got some additional Devonian matrix from New York. I decided to go back to the Genundewa Limestone matrix primarily because I failed to find shark related matrix from other locations that are of the same age. Each of the three searches in this matrix has produced different results which make it fun to search. This search was a lot of Phoebodus teeth and some were close to 75% complete. Easily the best Phoebodus teeth I’ve found in this formation yet. I found a fair amount of Omalodus teeth and some nice ones. I also found two incomplete mystery teeth again. Fewer denticles but a piece of fin spine. The shark remains are in the bottom slide in the picture. The top slide are awesome little fish remains including various Conodont elements, fish teeth, fish scales and what I think might be bits of Placoderm. These are not going in a display. They are just going to be study specimens for me. I think I can find or make microfossil slides that will hold the fossils in place better but these work now.
  5. Oddly shaped bone in pebble from Cap Gris Nez

    Hi all, Found this pebble on the beach close to Audresselles (Cap Gris Nez area, Boulonnais) amidst the heavy rain and wind yesterday. Initially, I thought it was just a piece of odd-looking fossilised plant-material, with a faint thought in the back of my mind that may be it could be a fish skull. When I checked it this morning, I was able to confirm the piece is smooth on the outside, and seems to have what appears to be bone fibres on the inside. In other words, I'm convinced now that it actually is bone, though still have no idea what kind...
  6. Conodont elements scale

    From the album Harding Sandstone

    Field of view at 40x magnification in red circle.
  7. Conodont elements

    From the album Harding Sandstone

    Magnification 40x.
  8. Chirognathus sp. conodont element

    From the album Harding Sandstone

    Magnification 40x + iPhone zoom.
  9. Unknown "toothed" microfossil

    So...while splitting my thousandths shale and looking under the scope, I came across this organism, which appears to have interdigitating teeth?. At least most look interdigitating as opposed? Or , I just dunno. There is also a surrounding imprint on both sides. It was found in Stark shale Kansas City Missouri and is nearly 2mm long. I have two views, and can get the other split side, but this is the best images so far.....ANY thoughts, would be appreciated!....In my very limited (one month :)) experience looking at conodonts, this doesn't appear to be one, (S elements?) but, I've been wrong so many times on other fossils,, this would be a breakthrough:)…. Thanks for looking! Bone
  10. Conodont help

    Hi all! Hope everyone is healthy and Covid free! Been focused on conodonts now and need help with these two- found in Stark shale member between Bethany Falls limestone and Winterset, if I have that correct :), Stark shale for sure though. The first is a beautiful cone I cleaned the base of. There are no additional denticle structures at the base and it doesn't look fractured at the base either. It is just under 1mm in length. I could also be totally wrong and its a fish tooth .The second is also a Stark shale element, but I'm not going to guess what element-it doesn't resemble the few pictures I can find of conodont elements. It is about 500um in length. Any help as to which elements these are, and at least a genus would be fabulously appreciated!!!!! Bone
  11. scolecodont or conodont?

    Hi again! Over the weekend, I posted pictures of small fossils in a rock I found at Mimico Creek in Toronto, Ontario (Georgian Bay Formation, Upper Ordovician). I've created this new post just for the shiny black specimens that I found in the rock because a consensus wasn't reached regarding their identity. Each of the two specimens pictured below are 5mm long. My question is: are these items scolecodonts or conodonts? I was leaning towards scolecodonts but I wanted to see what others have to say... Thanks once again! Monica
  12. Filming Conodonts

    Hi! I recently acquired a bunch of microfossil samples for kids to play but did not expect them to be so small. We tried some microscopy but ended up applying a little trick that actually to helped to film them "in action", which was kind of cool. I do not know if this technique is a common knowledge or not but I decided to share. Perhaps, it will be of use to somebody. Here you go: Any suggestions for improvements? Thanks!
  13. Hi everyone I think I just found a new hobby With my latest fossil delivery I recieved quite a lot of microfossils & matrix vials as the world of microfossils was something that I have been long interested in. So a 2 weeks ago I finally ordered my first microfossils for which I reserved a special drawer in my archive cabinet. So here is a recapp of what I all got: 3 vials of permian material from Waurika, Oklahoma 1 vial of permian material from The red beds of Archer County, Texas 1 small vial of Conodont rich Mississippian material from the Chappel Limestone formation, Texas 1 small vial of Cretaceous Lower Gault Clay, East Wear bay, Folkestone, Kent, UK A micropalaeontology slide with Jurassic Blue Lias matrix rich in holothurian material. A thin section of an Ostracods filled Elimia snail from the Green River Formation in Wyoming A thin section from the Rhynie chert of Scotland which should contain preserved parts of the plant Aglaophyton major and perhaps even other species. I also got a lot of Bull Canyon micro fossil teeth and 2 cretaceous mammal teeth from Hell Creek In this topic you will be able to follow my path through this newly discovered hobby as I will post my finds and progress Currently I am only working with a clip-on cellphone microscope, but I do plan on getting a professional microscope in the next few months! (Tips are always welcome) So let's put on our Ant-Man suit and explore the microfossil realm So here are some of the first pictures I made of some of the microfossils Starting with the thin slices! Thin slice with Ostracon filled Elimia tenara snail from the Green River Formation, Wyoming Thin slice with Aglaophyton major from Rhynie Chert in Scotland
  14. Conodonts beside an unidentified item

    Can someone help me identify the item that is with these two conodonts? My guess is a fish scale. This is from the Stark Shale, Dennis Formation, Kansas City Group. The conodonts are 2mm or so and the specimen is 7mm. I am intrigued by the surface of the "shell" which is a bit crab-like (I'm not saying I think it is crab, but that the item's shell has that kind of texture). I've included pictures of both the item and its external mold on the other half of the split shale. Let me know what you think. Russ
  15. I think this one is a conodont (see tags for formation, location). Scale in mm. No conodonts were reported by Ehlers (1973) thorough study on these formations, so I am guessing if this is a conodont, it's a somewhat rare find.
  16. Belemnites? Conodont?

    Greetings again TTF! The Billings formation is just filled with stuff that I can't identify! This time, I have found some glossy, cylinder-shaped things in the Billings Shale. I know that conodont elements are known from some parts Ontario and Quebec, but I think that it might be a belemnite as well. They seen to be associated with crinoid stems, brachiopods, and one Pseudogygites Lantimarginatus pygidium. They are each roughly one centimetre long. They are in the centre of the first picture and the second picture.
  17. My Kansas City conodonts

    The past month or so I have had a chance to examine some shale from the Stark Shale, Dennis Formation, Kansas City Group. I have found many conodonts and I’ve enjoyed the challenge of taking pictures of them while they are still embedded in the shale. I think I have over 100 specimens now. Below I have posted some of my results. I have tried to identify the element position (P, S, or M) according to Purnell, Donoghue and Aldridge’s “Orientation and Anatomical Notation in Conoodonts,” Journal of Paleontology, 74(1), 2000, pp. 113-122, although I have not distinguished among the various S elements. In addition, I have attempted a bit of genus and species identification using Baesemann’s “Missouri (Upper Pennsylvanian) Conodonts of Northeastern Kansas,” Journal of Paleontology, 47(4), 689-710. I am just now beginning to experiment with dissolving the shale to extract the conodonts. I’ve had a some luck just using a 3% hydrogen peroxide solution from a local drug store. If I can figure this out, I should be able to get some pictures of extracted specimens. It has been fascinating and I’ve learned some interesting things. I have no training in biology or paleontology, and I am just a fossil hobbyist, so I expect that there are mistakes in my understanding of the terminology and in the ID of specific items. This is likely exacerbated by my superficial reading of the articles I mentioned above. So, feel free to correct me and I will be grateful. Just a few things about the pictures. The conodonts are in the 1-3 mm range. Second, the places where the conodont appears to be black are actually where the conodont is missing. Conodonts leave a detailed shiny mold if they are broken out or removed. Third, certain presentations are common others are less so. For example the P element seldom presents its dorsal view. Fourth, depth of field is a special problem for the P elements since they tend to bulge upward--and out of focus. I hope to continue to develop this post as my understanding grows and my specimens increase. I have numbered each picture by means of the comment above it. 1. S element
  18. Group of conodont fragments?

    As I have continued to examine the conodonts I'm finding in Stark Shale Member material (Kansas City Group, Pennsylvanian), I've found what appears to be a group of conodont fragments. What does this look like to you all? Russ
  19. Pennsylvanian conodont

    A couple of months ago I collected a small bucket of shale from the Stark Shale Member in the Dennis Formation of the Kansas City Group. My purpose was to find conodonts. Today, I had a chance to look at the shale and I found a conodont this afternoon--the first one I've ever found . I was able to extract this with a small needle in a pen vise. I took the pictures with a Celestron MicroCapture Pro. For any locals that are interested, this came from the Firemen's Memorial. Russ
  20. #04 Platform conodont

    From the album Conodonts

    Unidentified platform-type conodont North Evans Limestone Genesee Formation Upper Devonian
  21. #03 Partial conodont element

    From the album Conodonts

    Unidentified conodont piece North Evans Limestone Genesee Formation Upper Devonian
  22. 02 Partial conodont

    From the album Conodonts

    Unidentified conodont North Evans Limestone Genesee Formation Upper Devonian
  23. #01 Ozarkodina

    From the album Conodonts

    This is the first conodont I ever found. Ozarkodina sp. Upper Devonian North Evans Limestone Genesee Formation I originally posted it in the "My First Conodont!" thread.
  24. Pathological Conodont?!

    I have a few dozen conodonts that I'm in the process of photographing and mounting for storage. Among my collection, I have several Polygnathus linguiformis examples. Last night, I mounted two P. linguiformis on my "Conodonts II" storage card. This one caught my attention: That pale growth on the underside struck me as odd, especially compared to the other P. linguiformis that I handled last night: So I went to look at the P. linguiformis that I'd previously mounted. Here are 3 of the 4 for comparison: I also looked at the page in "Conodonts from the Genesee Formation in Western New York" that shows a number of P. linguiformis for further comparison. While several show liplike growths on the back, none are quite as pronounced as the first specimen I showed here. I'd be curious to see what other collectors think about this set. Do I have a pathology, or is this an element from a really old individual?
  25. My First Conodont!

    Back in early September, my husband and I went back to Penn-Dixie for another day of fossiling. I was particularly interested in collecting some North Evans limestone to search for microfossils, especially conodonts. Well, I'm not entirely sure that what I collected was North Evans (it might be Genundewa), but I've been slowly dissolving small pieces in vinegar ever since. I've seen lots of tiny weird things, probably foraminifera, with some possible echinoid spines for good measure. Tonight, I found what looks like a conodont to my admittedly inexperienced eye. Here are my 2 best photos (camera held up to microscope eyepiece): Is my identification correct? Does anyone have any further information on this particular piece? I'm excited!
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