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  1. 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
  2. IsaacTheFossilMan

    Tiny tooth from the Cotswolds, UK

    Hi all! Most of you will know me as an invertebrate person, but, recently, I found something that may change my view! I was splitting some Jurassic Cotswold limestone, and I found a tooth. A tiny tiny tooth, which I believe to be a shark(?). In other chunks of the matrix, I found scales, and other hints to vertebrate life. It heavily fluoresces under UV light, and has these gorgeous lines along the flat crown. To the bottom right of the tooth, there is a partial mold of a brachiopod, which is pretty cool! Ancholme Group, Callovian - Oxfordian (166.1 - 157.3 mya). As a sister questio
  3. Bonehunter

    Idiognathodus P1 element?

    I'm hazarding a guess as a P1 element of Idiognathodus?, or is it something else? seems a little wide for a conodont? Pennsylvania stark shale. Yeah or neigh? Thanks! Bone
  4. Mainefossils

    Fish microfossil

    Fossil forum, This is another fossil from the Leighton Fm. I just finished recovering it from some fossiliferous rock I brought back with me. It is about 575 microns long. Any help on its id would be appreciated. Here is a picture of it:
  5. Bonehunter

    Pennsylvanian microurchin

    I put this on the microfossil forum as well, but wanted to give a look-see to this intriguing fossil! In my search for conodonts in Pennsylvanian stark shale (between Winterset and Bethany falls limestone) I routinely find concretions/nodules-most are powdery but sometimes i find teeth and other microfossils. Well much to my surprise, upon splitting my thousanth shale, I found a 1cm nodule, and within it, this apparent micro sea urchin-one of two in the nodule. From spine to spine (7:00-1:00) it measures just under 2mm in diameter I am refining my photog techniques with a
  6. IsaacTheFossilMan

    UK flint microfossil

    This is a sponge(?) microfossil in a fragment of a flint nodule. The flint has been quarried from the south of the British coast, which is mainly Cretaceous strata. It looks slightly like it's an imprint, but, upon further inspection, it is a broken off membrane. Currently (and slightly embarrassingly) I have only whittled it down to Echinodermata... I know, I know, spare me your applause, while my PhD's waiting! More sincerely, if anyone could shed some brighter light upon this, I'd be very grateful!
  7. Allosaurus

    Sundance Formation Micro Ammonites

    I was picking through some micromaterial and found these cute little guys. The same site yielded larger ammonites and partials as well. The biggest one is about 4mm long. I really struggled with photos because these are so small, so I apologize for the quality. If the photo quality is not enough, I'd greatly appreciate a good paper to reference so that I can try to identify them. Sundance Fm, Wyoming
  8. Hello everyone, I want to tell you my first experience with Microfossil. (I can't stop anymore, it's a drug). Anyway, last months I worked in the paleontology museum of my university. My role was pretty much to be a factotum but in particular I had to rediscover all the fossils that are in the deposits and in the basement. I can't describe you the tons and tons of unknown material there is. We already found many interesting and never described pieces. Anyway, back to our story, in the deposits there where dozens of bags full of fossiliferous sediments from Cava dell'erba in souther
  9. 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 elem
  10. 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
  11. Hi everyone I just ordered some more microfossil matrix samples, most of which are rich in shark teeth. But I would like to know what to expect from the matrix, which means I am looking for websites of pdf's which describe the species from those locations. The first is from Lee Creek Mine, Yorktown Formation, Aurora, North Carolina (Miocene), I did find an ID section of Lee Creek teeth on elasmo.com but it wasn't extremely extensive. The second sample is a shark tooth rich Limestone Block (which still needs to be disolved) from the Mesaverde Formation, R
  12. fossilsonwheels

    More cool STH Micros

    We recently got some great STH Hexanchus teeth from @JBMugu and he was kind enough to send us some great micro matrix. I always enjoy searching for micro shark teeth and the STH material usually provides quite a few surprises. This batch was no exception. I have only searched about about half of the matrix but so far it has given us some really cool shark fossils. I found a few Hexanchus teeth which included a tiny lower (pic 1) and a few commisural teeth. In our previous searches, we found a total of 1 partial Hammerhead tooth. This matrix was, comparatively speaking
  13. Misha

    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 the
  14. Hello everyone, I have been interested in fossil fishes from the Ordovician- Devonian for quite a while now, and recently I have begun to venture into the field of micropalaeontology a bit more. This has led me to purchase matrix samples from the Harding sandstone and I am also interested in getting some Maple Mill stuff. The problem is I currently only have one more vacant slide to use for these fossils, it was sent to me by @Shamalama with some other microfossils but I don't know where I could get more. The slide has an aluminum case with a piece of thin foam board
  15. Location is in Missouri The area is dated to the Pennsylvanian Formation: Muncie Creek Shale Found this very small tooth like structure and was wondering if anyone could confirm if it is a tooth or not. Normally I can identify teeth if they are large enough, but this specimen is very small. I have found teeth before in these concretions but much larger such as a possible Symmorium or Glikmanius along with a tooth from a member of Eugeneodontida. Here are some images I edited that might make some details more clea
  16. WhodamanHD

    Oligo-miocene micro tooth

    I was lucky enough to receive some Micromatrix from @Gizmo and @sharkdoctor, and today I was looking through some of the teeth when I saw one I hadn’t noticed before. I’m sure I’ve seen something like it onlin but I can’t for the life of me remember where or what it is. Any one got any ideas? Matrix is from VA, Old Church FM (oligocene) and Calvert FM (Miocene) contact layer. Measure is in centimeters
  17. xouley

    Mystery micro(ish)-fossils

    Hi all, Need some help with this ID! I found this fossil years ago on a beach in eastern North Carolina and it's been a mystery to me since. The best answer I could come up with is that these might be some kind of foraminifera (maybe of the fusulinid variety, though these don't seem to have the tapering at either end), but I'm not sure how to go about researching other possibilities. My camera has a tough time with close-up pics, so this is probably as much resolution as I can get. Thanks in advance for the help!
  18. This is my first "new topic" post to the FF, so I hope I'm doing this correctly. If you have a microscope or equivalent and a current or potential interest in micro-fossils, you might enjoy collecting at the following historic locality: Mississippian Salem Limestone, about 5 miles east of Salem, Indiana off Rt. 160; Spergen (Spurgeon) Hill, railroad cut (Manon RR) paralleling S. Harristown Rd, 0.75 mi north of Rt. 160; south end of Trackside Road; approximately 140 meters S of Harristown, Washington Co., Indiana; diminuitive fauna; Universal Transverse Mercator (UTM) coordinates: 16S 585024.
  19. https://phys.org/news/2020-06-microfossil-spectroscopy-dates-earth-animals.html?fbclid=IwAR15tVkP0pUuvoyi-8ByQN2_GC-wRxUSND-0xkRdv5meV0zwY16MbPNGiqo Ross P. Anderson et al. Aluminosilicate haloes preserve complex life approximately 800 million years ago, Interface Focus (2020). DOI: 10.1098/rsfs.2020.0011
  20. Kcee

    Cool microfossils

    Hello all, I believe that one of these is a foraminifera, not too sure if that tiny bivalve and snail would be considered one or not. Anyone have any ideal what period these may be from? Was digging some old bivalves and gastropods out of some sandstone and came across a boulder that had hundreds of microfossils mixed in it's debris. The size range from what you see here to less than 0.50mm. Some if this stuff is really cool looking.
  21. With the current pandemic I decided now was as good of a time as any to get some matrix from the Aguja Formation with the help of PaleoTex! This turned out to be a great decision as I was extremely lucky, finding about basically everything I wanted to, and more in only 5 pounds of matrix! I'll be sure to post pictures but I got numerous amia and gar teeth, along with atleast 36 gar scales. Tons of Crocodile teeth including a large Deinosuchus tooth. Several shark teeth and a partial hybodus spine, also several brackish water pycnodontid teeth and tooth pallets. 4 fish or salamander jaws with t
  22. Bonehunter

    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 s
  23. I’m hoping someone on here has some spare matrix from the Mississippian Golconda Fm in southern Illinois. The roadcuts near Anna and Vienna are pretty well known (I know a few members here have hunted there), but at over 6 hours away it’s a bit too long of a trek for me right now. A recent paper on microfossils from there piqued my interest and I’d like to try and process matrix to search for some. If you have any, PM me and we can work something out.
  24. I had a few duds pop open yesterday but saw one had a tiny speck of something on it, no more than a millimeter long. I had my digital microscope out for other microfossiling activities and decided to take a look. Nothing super interesting, just a tiny plant fragment. But it did get me curious if anyone has done micropaleontology work on Mazon Creek material? I would think there would be quite a bit to explore, but that said I've never really seen the topic mentioned. The only microfossil I've seen discussed from Mazon Creek is a species of ostracod, but usually the onl
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