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Found 784 results

  1. fossil wasps

    re I used this link because the PLOS link is too slow 76 Mb Citation: Spasojevic T, Wedmann S, Klopfstein S (2018) Seven remarkable new fossil species of parasitoid wasps (Hymenoptera, Ichneumonidae) from the Eocene Messel Pit. PLoS ONE 13(6): e0197477. https://doi.org/10.1371/journal. pone.0197477
  2. Ive been wanting to get some fish done for a few years now. I have about 5 days of good weather left so since I got the abrasive unit up and running I started on this one. Its a Serrata from the Green River Formation and is in some real nasty rock. Its slow going and I figured I would use 50/50 bicarb/dolomite and cut back on the dolomite when I got to the 'thinner' things. Ha!!! I still had some of the 50/50 when I got to the gut and some of scale covered areas both above and below the spine and low and behold, it worked for those areas too!!! This really tuff hard rock makes for some really hard bones and such!!! I,,,,,,,,, am a happy camper. I still have a few hours left to finish this up, but its turning out purty dang good. RB
  3. The finest fossil owl

  4. small round balls

    I collected several of these small round balls in limestone (shale?) from the Eocene Green River Formation. The location is Tucker, Spanish Fork Canyon, Utah. The diameter is about 13mm, about the width of my small fingernail. When these are broken open, I see that the sphere is packed with 0.2mm white "crystals". I say "crystals" because they look like calcite to me and some have small (0.05mm) hollow spaces. The crystal density is least in the center of the sphere. FYI, the limestone does show small amounts of black organic fragments. In the field, these look very much like a fossil, but under the microscope, the cross-section looks like it is geological in origin. Any ideas?
  5. Yeah, I know, we are all sick and tired of these fossil crabs in concretions prep threads. Too bad, as my buddy Kris says. Here is a rather odd rock in the sense that the outer layer is not only really soft, but full of little tiny black particles? Not a clue what they are. Ive never seen then before. If there are any tippy tippy's going into this soft layer Im afraid they will be gone? Also, see that little piece of leg on the back right side, It is not in the right place or its trying to fly a kite. Really high in the rock compaired to the carapace. I cant tell if its leg #1 or 2, but this crab is already scarying me. Right now this tells me that the 'rear end' is either not there or has problems? Time will tell.
  6. * I don’t want to trade, I’d like Just give him away * He’s pretty badly broken, but still really cool. one of you could save him? Anyone up for it?
  7. Found this 2.5 inch fish earlier this month at a fossil quarry in Kemmerer. I think the dorsal fin structure more closely resembles the relatively rare Hypsiprisca rather than Amphiplaga, but any opinions are welcome. The head preservation is not optimal. I've provided a close-up photo of the lower section of the head, which appears to show sharp teeth.
  8. Nummulite or Bivalve Internal Mold ?
  9. Whats that ?

    Whats that ?
  10. Some kind of Coral ?

    Some kind of Coral ?
  11. What is this ?

    What is this ?
  12. Bivalve ?

    What is it ?
  13. Fossil or Rock

    Hi All, I’m very much an amateur and new to this site / forum. This is my first post. Can anyone please help with identification. This object was found in the inter tide mud flat region of East Mersey Island, Essex County, England, UK. Cudmore Grove Park beach location. It appears to have many features resembling bone. There is an inner sponge like area on cross section - possible trabecular structure. The shape has a clear indent groove on the assessed outer surface. My first thoughts were that it could possibly be something like a Patella. Online searching suggests a possible Femur Head part. But then that may be my desire to believe. Can anyone suggest what it may be, and if bone not rock then what could it come from given the location and geology. Many thanks for any anticipated input. Regards, Bob
  14. Florissant spider id ?

    All, My son found this orb-weaver spider at the Florissant Fossil Quarry in Colorado last month. It's about 1.5" (4cm) between the tips of the longest legs. There are short thorns on the abdomen, and possibly on the bases of the legs as well. Overall, it's very much like the golden orb-weavers whose webs I have the occasional misfortune of walking into in my garden. Can anybody tell me what genus, or perhaps even species this may be?
  15. Florissant Finds

    Much has been already said about Florissant, so I’ll be concise with my words. 34 MYA, lake environment, ash fall, pay dig. Controlled hunt: they dig and dump piles, you select chunks and split them at picnic tables. Not the death defying adventure I crave, but fun to do once, fill a Riker with common finds, and say I’ve been there. You can buy the same rock and have it shipped to you, but since we were in the area, I prefer the on-site experience and selecting my own rock from the piles. Hint: Skip the blocky and/or grainy stuff and target the thinly laminated, shaly stuff that is beginning to split on its own. If you see black organic matter, even better. Exploit those planes. A montage of pics follows.
  16. A bottom dweller, similar to the recent Gobius. Lit. Bannikov A.F. 2004: Eocottidae, a new family of perciform fishes (Teleostei) from the Eocene of northern Italy (Bolca) // Studi ric. giacim. terz. Bolca. Verona. 2004. V. X. p. 17-35. Bannikov A.F. 2006: Bassanichthys, a new replacement generic name for the Eocene Bassania Bannikov, 2004 (Teleostei, Perciformes)// Paleontological Journal, Vol. 40, Issue 3, p. 340.
  17. I went on a fossil trip to the state of Washington and bought a bunch of fossil concretions, agatized Aturia and clams and a couple other odd things. Whilst buying and making trade deals, part of one deal was to do my majic on this large crab in a concretion. Funny thing is, I knew this crab from several years ago. I offered the guy who found this crab money for it every year for a few years but he just didnt want to let go of it. I cant blame him, its a really big crab. He had traded it to my new freind for a really really nice and really exspensive agatized Aturia. As part of a trade I offered my services and told him I go do my majic on it. He had heard of me and seen some of my work so he let me bring it home. Seems like im getting known as the 'Crab Guy'? Nice. So, today I went on the prep attack on this rock. Its got a really soft 'rine' and trying to save it is really hard. Lots of glue. also removed lots of rock to get it to where I want so I can do the 'smoothing' and make the rock contour to the crab. The guy who prepped this out went really deep in places, so its making for more difficulty and not what im used to. Gunna be interesting to see this play out. 1sr pic is how I received it. 2nd pic is me trying to save the 'rine'! 3rd pic is after a bunch of rock removal. A long ways to go still. RB
  18. Whale tooth

    From the album Marine reptiles and mammals

    Unidentified Eocene whale tooth if anyone has any thoughts on what it's from, please feel free to let me know!
  19. I collected some nice fossil fish from the green river formation of Wyoming today. Can any experienced green river hunters tell me the best way to prep these fossils? One of the miners at the quarry told me to do a 80% water 20% glue mix and dunk it in the water quickly to seal it or it will eventually fall apart. He said not to use elmers glue but didnt say what type of glue. Also I have other specimens that are partially covered. They were telling people to use an exacto knife. to prep them and uncover all the fossil. What is the best way to go about this?
  20. 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:(
  21. Eocene ID required

    Would anyone be able to ID these two finds from Ramsholt, Suffolk. The site is mostly made up of Eocene material from the London Clay beds & reworked Eocene in the Red Crag Miocene layer. The first looks like a dermal plate but I'm not sure & the second one I have no idea. Many thanks, Connah.
  22. Florida Pleistocene Fossil Hunt!

    Hey everyone! My girlfriend Ashley and I got out to hunt some Pleistocene sites a couple days ago. There are also Eocene sharks teeth mixed in. The rivers are all pretty high, so we went to some bank hunting sites I have found over the years. They definitely did not disappoint! We found a Tapir jaw section, horse tooth, some pretty big alligator teeth, and a variety of other fossils!
  23. Any Maryland Eocene sites?

    Hello everyone, I don’t know if I put this in the right place, mods and admins feel free to move it. I am getting jealous of the transitional Otodus and auriculatus I am seeing from the Potomac. These, I assume, are from the Nanjemoy Formation. While every now and then some of this will wash to the Paleocene aged Aquia Formation of Purse state park, it is not reliable. I’d like to hunt Maryland’s Eocene so I can cross that off my list. Now there is also the secretive Old Church formation which exists, but I have not heard much about it. Are there any sites that are accessible by land? Regrettably, the family car has no attachment area for a boat carrier, and a kayak won’t fit in it (and I’ve never kayaked the Potomac so I don’t know how fast the currents are). If there is a person to contact to ask for permission, I’d be fine with that. Any leads would be appropriate, typically I’d take matters into my own hands but info is scarce and the geologic map shows the overlying Pleistocene and Holocene deposits rather than the Eocene. Don’t hesitate to PM me. Thanks!
  24. I have several thousand well preserved shark and ray vertebrae from the Eocene of Virginia. I also have many more thousands of bony fish vertebrae from the Eocene of Virginia. See the group pictures in this post. The paper plates are 9 inches in diameter for size reference. There is very little written on fossil shark and ray vertebrae that I can find in the literature and what is written is scattered throughout a good number of different papers. I have a unique, extensive assemblage of many different vertebrae types and forms which represent the fish species from the Eocene of Virginia that could be the basis of a very comprehensive paper on fossil shark, ray and bony fish vertebrae. After two years of looking for a fish researcher interested in studying these vertebrae and writing a paper, which in my opinion is really needed to help with fossil fish vertebrae identification, I’ve finally found a renowned fish researcher who is very interested. In an e-mail reply after seeing pictures of the vertebrae, he stated “I can tell you the shark, ray, and bony fish vertebral centra are worth describing! They appear to be beautifully preserved! The dataset looks exciting to me”. I’m hoping that different fish vertebrae types can be identified and described and realize it will be extremely difficult, with the current state of both fossil and extant fish vertebrae research, to try to identify the vertebrae further to fish family/genera/species. I will donate all of the vertebrae so there is a large comparative sample to go along with those vertebrae specifically described in any paper. Pictures of the shark and ray vertebrae ( 1.5 mm to 20 mm): Continued in the next reply. Marco Sr.
  25. RBCM donation from Leahy and Langevin

    The families of one of our late members John Leahy and his friend Dave Langevin have donated their large collection to the Royal BC Museum: https://www.timescolonist.com/news/local/royal-b-c-museum-scores-fossil-gift-for-the-ages-1.23411022