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Found 315 results

  1. Hi everyone, I found this fossil in Eastern Ontario. I was wondering if anyone can identify the fossil. I don't think it's a trilobite. I'm also wondering if it can be extracted. I believe it's in limestone. Thanks!
  2. Found this small oddity while breaking apart limestone. The pitted appearance was interesting. The pits also seem to extend the whole way through. They also appear to wrap at a 90 degree angle on the side that isn't broken. The broken side reveals how they go through. I chipped away a little at the matrix, but didn't go too tough to keep from breaking it. Whole specimen with scale: (stacked photo) Showing outside 90 degree wrapped edge with same appearance: (stacked photo) Broken edge showing channels going through the width. Additional view of the top (unstacked photo)
  3. Weird limestone fossil

    Does anybody know What this is? Found on a beach in Sweden but came from Denmark with the glaciers. I posted something before but a guy said the picture was not there so tell me if u cant see it and if so please then tell how to post im new here
  4. Burlington limestone fossil IDs

    Hey all, hope it's ok to do 2 for 1 here. Both of these were found in a creekbed in Pike County Illinois while hunting for chert in the Burlington limestone formation. The first looks like urchins I've seen from other places but with a lot less detail. Possibly a crinoid impression below it. The second I don't even know where to start. It's a split rounded cobble with....something going on inside it. Mostly used to finding crinoids and horn corals in the area so these really took me by surprise. Thanks for looking.
  5. 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
  6. Found these formations on the limestone of the southernmost shores of Alonissos, Greece (below the aptly named camping Rocks). I took some shots of the formations and collected pebbles from a nearby cove bearing the same characteristics. Any suggestions regarding their origin would be much appreciated, especially since there is little documentation on the island geology (according to the only geological map I could find these are neogene formations, yet there are certain geologists who, after visiting the island, suggest this could be a generalisation).
  7. Die Grinders or Dremel?

    Hello all, I've done a bit of light prepping, but not much grinding. My typical matrix is a cement like limestone matrix that is hard to get things out of. You just sort of have to hope things come out clean. I bought an air scribe and use it often. It's not easy work, but eventually things can come out pretty clean. I have a couple of pin vices, but they are almost of no use with this matrix, there is so much calcite. I use them more often for shale. I use a battery and wired Dewalt grinder with a cement/granite cutting wheel to remove specimens from larger rocks. I have been looking into the battery or wired Dewalt 1 1/2in die grinder, but not sure if it would be as useful compared to something like a Dremel. I figure I would need some sort of carbide or diamond bit set. I'm looking to remove larger pieces of matrix before getting closer with the air scribe. Thank you for any help.
  8. Location is in Missouri The area is dated to the Pennsylvanian most likely Raytown, Wyandotte Limestone Formation I have collected a lot of concretions and here are a few of which I have no idea what they could be My possible hunch is that some of these could be Fossilized Cartilage? Was really interested in knowing what this one was
  9. Location is in Missouri The area is dated to the Pennsylvanian most likely Raytown, Wyandotte Limestone Formation I usually collect a few limestone concretions from a rock pile I go to and a few pieces of what appears to be bone popped out! Unfortunately when it did crack some of the pieces went flying and were unrecoverable While I do not know if it can be identified, I can hope it can somewhat be recognized. In the area I have found fossilized Cartilage through my Concretion cracking adventures and have found teeth from specimen of Eugeneodontida in the area. I also have come across the usual Brachiopods, Crinoid stems, Bryozoans, Rugose corals and petrified wood in the area. I believe this is some sort of fish bone, as to what it was? I have no clue. Below is the left side of the concretion
  10. Location is in Missouri The area is dated to the Pennsylvanian most likely Raytown, Wyandotte Limestone Formation At this pile I hunt at there are many concretions, but none exude the blue coloring as they are mostly black and much smaller. I am not 100% sure these are fossils but these are the only weirdly hued fossils I have found there. I have found a few teeth from Eugeneodontida, Horn corals, Crinoids, Brachiopods, Nautiloids and petrified wood from the area. I do not have any measuring tools that are not wood when I took these pictures. I apologize and hope this could be a decent size reference.
  11. Location Missouri Found in limestone that was blasted out by construction workers The area is Pennsylvanian on the geological map I have also found prehistoric fish teeth in the area along with Brachiopods, Crinoids, nautiloids and horn corals. I was not a 100% if this was a fossil or just a natural formation in limestone. I only say it could be a Pennsylvanian shark crusher plate but I am not 100% sure Sorry for not having a good size reference, I have very little measuring tools, and did not bring it to the site I found it in, there will be a ruler measurement of the hammer below I was not sure if it was biological in origin but the ridge makes me question, and those could be possible pores at the bottom? In all honesty I do not want to make assumptions XD
  12. Hi everyone! Hoping you can help me with a mystery. We've lived in our house for 5 years now, but with nothing else to do considering this pandemic, we've been exploring our front stone path a LOT more closely than we did before (especially considering 5 year old daughter's interest in fossils). We have noticed three trilobites (don't know how I missed these in the past - they are clear as daylight) and a couple other interesting things (maybe bryozoans, coral or echinoderms - I admit i can't tell them apart well). All of these new discoveries have me REALLY wondering now about something big that i have been wondering about for 5 years - the very last picture. I previously thought it was man-made - maybe result of some rebar or something, but now with these other discoveries, i'm really wondering. Anyone have any ideas for us? Thank you! We live in Northwest Indiana. That may or may not say anything at all about where the stone was sourced. I suspect it's limestone? But I really don't know for sure. We do have a giant quarry nearby (Thornton Quarry - fossil-rich limestone and on my bucket list to get a tour there one day). But really, this stone could be from anywhere. Lastly, each of these fossils (or mineralizations, or whatever they are) is in a different piece of stone. Anyway - here are the pictures - seven "fossils" and one of the path so you can see what we're dealing with. Thank you again!
  13. Petalodous Teeth

    To date, I've found 4 teeth, all in the same general area. One is shallow, the others are a big longer. The 3rd is a bit broken, I don't think I have a photo online right now of it. All are attached firmly to the limestone and I don't have any hope of ever getting them out clean. 1st Tooth: 2nd Tooth: 3rd Tooth No photos of this one. Sorry I promised 4 teeth, sadly only photos of three. 4th Tooth:
  14. Kaibab Limestone fish spine?

    Found this in the Permian Kaibab limestone today. Fish spine? The last photo shows a cross section of the mold that it seems part of.
  15. I have found scattered limestone clasts with submillimeter holes in them. I pick them up wondering if they are stromatoporoids, bryozoans, sponges or the like. The holes do not extend into the interior of the rock. Some of the rocks have lichen and algae growing on them. I finally found a soft dark lichen or algae growing in the holes in the rocks. Let me know if anyone can tell whether the dark spots are lichen or algae. If they are the cause then the rock exhibits bioerosian. Bioerosian was first described by Conrad Neumann in 1966 as “the removal of consolidated mineral or lithic substrate by the direct action of organisms.” The organisms probably secrete acid that dissolves limestone. Algae and lichens were early colonizers of the land. Bioerosian created soil that allowed new forms of life including plants and trees to colonize the land. Check your limestone rocks for these traces of bioerosian. Theoretical these could become trace fossils if buried for more that 10k years. Photos show holes in Tertiary limestone with plant fossils that are from 0.2 to 0.4 mm in diameter. Again, if you know what the black organism is let me know. https://aslopubs.onlinelibrary.wiley.com/doi/10.4319/lo.1966.11.1.0092 OBSERVATIONS ON COASTAL EROSION IN BERMUDA AND MEASUREMENTS OF THE BORING RATE OF THE SPONGE, CLIONA LAMPA by Conrad Neumann.
  16. unknown type fossils?

    My rock club had a silent auction and I won these two and it looks like they are soaked with mineral oil. Seller listed as unknown. First look to be Brachiopods. 8.5 cm x 6.8 cm . Side one has 3 nice ones & 4 tiny ones -- # 2 largest is 3.5 cm wide x 2.5 cm high #3 smaller 2 cm wide x 2 cm high
  17. Fossil ID please

    Found in abandoned Longhorn limestone quarry in NE San Antonio, TX. For scale: my thumbnail is 18mm Please help identify. Many thanks!
  18. ID Help Please, Something in Limestone.

    Hunting the Mazon Creek last weekend, my wife found this piece in the creek while hunting for Mazon Creek Fossils. What do you think ?? Any help appreciated !! Thanks for checking it out !! Phil
  19. A few ID's

    Just wondering if anyone may have any idea as to what these are, found today in Wenlock Edge, which is majorly silurian limestone. The first five are all of the same piece. Secondly - longshot, but could tis be a tooth? And lastly, is the small spiral, a sort of Gastropod? TIA
  20. Am I correct in thinking...

    Would I be correct in assuming both of these are sea sponge??
  21. Hoping someone may help with ID

    Hey, So i realize this may be a complete shot in the dark, but i thought i'd give it a shot none the less.. I found it the other day, in Wenlock edge amongst the limestone pieces, and have no idea what it is, and whether or not it's worth taking time to fully clean it up (Iv'e give it a decent scrub the best i can, but what's left won't budge with elbow grease alone).. Anyway, i was wondering if anyone may have any idea as to what it may be.. Iv'e attached pics of the piece both wet and dry. Thanks
  22. New Member - Fossil Finds?

    Hi guys, I've found the website while searching for information about some possible fossils I found around where I live in over several years. I pictured those and hopefully someone here is able to put a name / species / period to them. I am not a collector. I have always been fasciniated by geology, rocks and natural history. Knowing what they are will be very exciting for me. Number 1 : I cannot reemember where exactly I found it but should be some 100km's inland from Aegean sea, close by an ancient city called Pergamon in Modern Turkey. I was simply walking on the foothills of the city when this strange looking rock caught my eye Number 2 : These two are from Palermo in Western Siciliy coast. They're both from a pile of rocks next to the sea. I wasnt't able to look around much to see if there are more rocks like them. Maybe they're carried from somewhere close by. Number 3: Found around 500-800 meters elevation somewhere in Central Anatolia, more than 300km from any modern sea (former Tethys Ocean?) very heavy and rocky at hand. Thank you in advance for your time looking at those. Some more will come soon
  23. ID a fossil

    Hi, Found this in Galway in the West of Ireland. It appears to be a limestone that was part of an eroded bank. I really know very little about fossils and a totally uneducated guess is an algae fossil. Thanks for any help. Dave
  24. Crinoid?

    Hi, these were found in limestone shale in a canyon in Western Montana. Do you think these are crinoid columns, some kind of annelid, or other? Thanks!
  25. Boridino N.Y.

    Once again I took my boys out to get some fresh air and enjoy a nice New York day. The weather was in the high 60's, which for us Northerners is like being in the tropics. First I took them to shoot their BB guns. The black flies were horrendous at the spot we chose to stop at. Thankfully, I brought some bug spray and that kept those pesky buggers at bay. When we were done I took them to a spot not to far away in Boridino, which is on the east side of Skaneatles lake. There is a roadcut which I think I posted about a couple years back. The outcrop is a hard limestone which has a layer which is made up of millions of criniod segments. We didnt stay here long as this spot is not productive for any worthwhile specimens. But I needed some sort of fossil fix, even if only to view the criniod pieces. Devin spotted some snakes sunbathing, which turned out to be the highlight of the day.
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