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Found 179 results

  1. Unknown cave fossil

    In situ fossil (?) in roof of the UK cave. Carboniferous limestone. Anyone know what this might be. its around 18 inches in diameter. thanks
  2. I found this fossil as a doorstop at a retirement home in Centennial Colorado. Could not believe it was a doorstop. The former owner had moved into the Alzheimer's unit and left it behind. No background on it AT ALL. Sorry about that.
  3. Nummulite or Bivalve Internal Mold ?
  4. Whats that ?

    Whats that ?
  5. Some kind of Coral ?

    Some kind of Coral ?
  6. What is this ?

    What is this ?
  7. Bivalve ?

    What is it ?
  8. South central Kansas

    I'm trying to clean the limestone and loose sediment off this speciman. I'm not sure if I am wasting my time. Or if this is a fossil. I'm a novice hoping to find a cool fossil, but old enough to admit failure, if this isn't a fossil. Please help. To me, (the inexperienced novice) lol. It looks like a small skull and neck vertebra of a iguana type??
  9. Found on Presque Isle. What is it?

    Thanks to everyone who suggested better pictures in daylight. Done!
  10. Found on Presque Isle. What is it?

    Found this in beach at stone breaks 21 and 23 on Presque Isle, PA (Lake Erie) today. What is it? I am new to this!!!
  11. A Fossilized Thing

    Hi again! I’m totally stumped with this one. The rock is limestone, so its not the Billings formation. There is still some matrix on it, but most of the surface is exposed. It’s spherical and slightly faceted. Fossil pearl?
  12. Basilosauridae partial vertebrae

    From the album Marine reptiles and mammals

    Side view of vertebra, displaying missing piece see 1st picture for information
  13. Basilosauridae partial vertebrae

    From the album Marine reptiles and mammals

    Vertebrae damaged during or before fossilization, from a basilosauridae. Found in Albany, GA, in the Ocala limestone formation, an Eocene deposit laid down by the swannee current between about 34-56 mya. The exact species is possibly still up in the air, since it is been suggested that it is something other than the original ID. We're still looking into the possibilities. Found in Georgia, so that limits the possibilities, but still leaves open a number of basilosauridae, including some dorudontinae such as Zygorhiza. Zygorhiza, which is what it was originally supposed to be, is iffy since it hasn't officially ever been found in GA, but I don't think that means it hasn't, doesn't that just mean it hasn't been found by scientific authorities, or confirmed by such? it seems however, that the person who ID'd it as Zygorhiza was Professor Mark Uhen, who I guess is an authority on the subject, but as before, they're not supposed to be found in GA. Another possibility from a different authority on the subject has ID'd it as Cynthiacetus, which I personally would prefer, but sadly that doesn't have any impact in the matter:(
  14. What's this?

    Hi ! I was visiting a limestone quarry today and found this, looks like a curved orthoceras but that doesnt make sense. Any ideas?
  15. Help with Mississippian crinoid calyx

    I took my 4 year old Son geode and fossil hunting near the Missouri, Iowa, Illinois borders last weekend. We had a blast and found a lot of cool stuff. I found this calyx in the Warsaw formation which is Mississippian. It's obviously not done being prepped, but i figured there might be enough showing to get your opinions. It's actually been quite a challenging prep and may take some time to finish. I was thinking a possible Agaricocrinus sp., but it doesn't quite fit the bill. I can't find anything that looks identical. Any help is appreciated. @crinus @Crinoid Queen you guys still around? As found Some prep
  16. Fossil id

    Hi. I found this fossil on the Lake Michigan shore in rocks that were brought in for a seawall, so I don't know where it might actually be from. Any help is appreciated. Thanks
  17. Limestone fossil

    I found this odd pattern on what Im guessing is a fossil...
  18. Kansas Petrified Wood?

    Found in Ellis county Kansas. Saw a small section sticking out and when I started to wash it I saw there was quite a few packed into the rock. I was able to get most of the rock off (I’m thinking limestone maybe?). Are these all little pieces of petrified wood? They are grey in color, the largest piece being about half an inch across. The black rock is intriguing as well. There are small black specs all over and then the larger one, seen in the first picture. There are also also a few shells smashed into it, but they are pretty difficult to see. I have a few pictures showing the entire thing and some close ups.
  19. Any ideas what this is

    Weathered out of the limestone cliffs at Torquay in Victoria. Not sure what it is ?? Does anyone have an idea ?
  20. Not sure if this is a fossil

    Found on a beach near limestone cliffs just wondering if it’s a fossil and if so of what ?
  21. what is it?

    i found this eroded out of the limestone bluffs, at first i thought crinoid but i dont see any form of symmetry or hole in the disk. is it something else? maybe a vertebrae? its about as big around as a dime and a few inches long
  22. Found this little guy about 2-2.5 inches in Northwest Kansas. I was thinking it was some kind of shell maybe on another shell, or perhaps a layred rock. When I found it, all that could be seen was a tip of the darker brown shell, the rest was completely covered in, I believe, limestone. Anyone know what I’m looking at exactly here? I have another piece much larger that looks very similar, but I am still working on cleaning and preparing it. Once it is finished I will also post pictures of that one. I can add more pictures as well.
  23. Marks in limestone rock

    What makes Mark's like these in limestone? There r three rows in this three inch limestone. Thanks for helping railguy
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