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Found 43 results

  1. 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 teeth. Regarding dinosaur teeth I got 17 Hadrosaur teeth, including 2 partially rooted. A partial Ankylosaurus tooth. 4 Therapod teeth including a perfect Saurornitholestes tooth and a Premax. My favorite find however was the Paronychodon tooth I found! I'll be posting that picture first! Highly recommend this matrix, but I was also told that most people don't find all this stuff, so keep that in mind aswell. Stay safe! Happy hunting! (ID's for these specimens done by lab manager)
  2. 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.
  3. Mazon Creek Microfossils

    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 only specimens you see are nodules containing hundreds of ostracods as they are readily apparent to the naked eye in that case.
  4. I have shown several of these things to a number of micro-paleontologist, paleontologist, geologist and marine biologist and no one seems to know for sure what these specimen are. They were found in a sandstone boulder with bivalves fossils, they range in size from about 3mm to about 0.20mm. I'm told that they are most likely a new foraminifera species. Anyone have a clue???
  5. The first specimen is about 0.70mm long and the last one has a diameter of 1.4mm. I searched all 166 pages at marinespecies.org and came of two look-a-likes for the first specimen, they were, triloculina and quinqueloculina. The last specimen sorta looks like something named reophax subfusiformis. I can't say for sure if those are the correct species for these but it's a place to start. I've come across hundreds of these things and to date only about 3 can be identified by scientist.
  6. 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.
  7. Microfossil finds

    Hi all, I just got the studio equipped with a digital microscope, and I've been enjoying looking through the sediments of fossil prep work. I'm finding a lot of micro crystals, and other forms that seem like pollen, or microscopic life I also found 2 insects, which I'm not sure of their origin, they could be contamination from the room, but I'm fairly certain this batch came from caked-on sediments at the bottom of my sample container.
  8. I really like the shape to these. I have come across sites with photos of these but I can't seem to find any info about them such as what period they may be from. These microfossils are harder to research than they are to find...phewww.
  9. Hi folks, we bought a sample of microfossils originated from Waurika, Oklahoma. It was really fun to search through the little pile and try to ID the pieces. The result was a short video We decided to share it hoping for comments and more interesting info from the knowledgeable audience of this forum. What's really cool about microfossils is the amount of details and often stunning preservation of tiny pieces. Does anybody know a microfossil locality in Central California?
  10. Hi all. Only one of my first few posts on here as I'm primarily a collector. However, this would tie two of my hobbies together. Microscopy and fossils! I've gone through the pinned articles on prepping, cleaning, etc. The one thing I'm still not clear on is retrieval of the matrix as easy as digging a shovel full of dirt, running it through sieves, sorting, and hunting? I'm currently living in Biloxi, MS, so I assume I'll need to travel an hour or two to get out of the marine deposit area that is constantly in and out. Thanks so much! -C
  11. So I had bought from a certain online auction site some Lee Creek mine microfossil matrix a while back... I finally got around to looking over a little bit of it this evening. Attached are what I have found so far without any magnification.
  12. Texas micro shark teeth

    Micro fossils from the pecan gap right where it meets Austin chalk, shark teeth with the roots dissolved are common here, as are baculites, if you see something you know or want to know more about say.
  13. Creek was a little flooded today made it harder to navigate, started the day with 2 dead drill battery's that I had charged the night before so I decided to move father up to look at some different exposures, started by picking up some matrix for micro's from the bottom of the pecan gap, more on that later, and then some Del Rio clay for the same, (if someone has suggestions for how to wash this faster that would be great) spent the next 2 hours picking up heteromorph mariellas.
  14. Micro trilobite

    I don't know whether to laugh or cry on this one. Found an enrolled Trilobite in my micro matrix. Gave it a nice spa treatment of hydrogen peroxide & got most of the matrix off. And then took a look at it with my dino lite & found that it has almost no head. Thing is maybe 3.5 mm across and the one thing I didn't actually expect to find. No idea if it can even be identified now, but here's the pics anyway. Pics are 45 x magnification. Jasper Creek Formation. Late Pennsylvanian.
  15. Micro shell?

    I recently bought some microfossil matrix from the Jasper Creek formation in Bridgeport Texas. Found lots of crinoid stem pieces, some about as big around as the lead from a mechanical pencil, lots of sponge pieces & quite a few Girtyocoelia Sponge ball and chain sponges. I also found what I think is a complete shell, but I'm not sure. Everything else is a tan color, but this is more of a brown & black. When putting it in hydrogen peroxide to try to clean some of the left over matrix of, it floated. So I looked at it with my DinoLite & took some pics of it. Both sides have 2 shots showing different levels & the "hinge" area. It's .5 cm at the widest. 50x magnification.
  16. Campanian microfossils

    Hi everyone! It would be amazing if any of you could help with identifying some marine microfossils I sieved. The origin is campanian (might be santonian) marine sediments. The location has yielded mosasaurs, fish, and sharks in abundance. But I have a few bone fragments that I have absolutely no clue what they are... Here are some of the mysteries:
  17. What is this seed looking fossil?

    Can you help me identify this fossil? Late Miocene/Miocene, Phillipines, Camarines Norte
  18. Fish Scale?

    Is this a fish scale? It was found in the Woodbine formation south of Denton, TX. I am new to microfossils. It may also be a small clam.
  19. I was out hunting near Spring Valley, Minnesota with @Bev and @minnbuckeye the last couple of days. As always, I was looking for coprolites. Mike came across this first piece, sitting loose in a piece of weathered matrix. While we were splitting rocks, we found a virgin layer of the source matrix. When we got back to Bev's fossil barn (everyone should have one), I took a peak under the microscope at two of the loose, irregular objects but couldn't really see much because of the powdery iron oxide coating. When I lightly rinsed them, they revealed these microscopic (calcareous) jack-shaped objects. Similar inclusions were in both objects loose objects. You can see from the broken spine on the inclusion in the lower right that they are hollow. In the other loose piece and those still embedded in the matrix, I can also see random straw-like spines of the same material. I'm not sure if these are coprolites, algal masses or something else. I have seen coprolites covered in powdery iron oxide before. Eventually I would like to free more of these from the matrix so that I can sacrifice one to get a look at the interior. Can anyone identify the little jack-shaped inclusions? The spines may have been quite a bit longer. The only things I can think of are forams or perhaps diatoms. Bev and Mike - What was the name of that cliff again? Decorah Shale? @Carl
  20. Any chance someone knows what these are? They are most probably Holocene-aged (last 12,000 years). They come from a dry playa lake setting (inland) in India - the Thar Desert. Size is about 1mm wide, and 1.5+mm long... there is a funny raised hollow insert. Would love to get some tips!
  21. Where to buy compartment slides?

    HI all, You know those neat microscope slide sized microfossil containers with partitions inside to hold dozens of little fossils? I think they are covered with glass too and have a black background. Where would I buy such a thing? or is it easy to make them? Your thoughts?
  22. Ostracods - unshaven

    Apparently not all Ostracods shave in the morning Subrecent, Mauritanian Shelf
  23. strange markings on cylindrical object

    This came from Walnut Creek in Austin, Texas
  24. Hi I hope someone can help me with this! I found these two very small fossils when wet sieving lower lias shell bed. They are about 2mm in size and look a bit like a cross between a crinoid and a bone-like substance. They are so small they were very hard to photograph even using the super-macro function on my camera but hopefully they are good enough for somebody to perhaps recognise what these are? I'd be very grateful as I am mighty curious! Thanks in advance. Sam
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