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  1. bb19aug


    Hello All, My 8 year old son found these stones at Crooked Creek, Flippin, Arkansas, and he was curious to know whether it was fossil. Thank you.
  2. bigbeardan

    Is this a fossil?

    We were checking out the low river levels of the Mississippi River between Lake village, AR and Greenville MS and my daughter found this rock. Curious if it is a fossil and what kind if so. Thanks!
  3. Cricket76

    Help with Identification 3

    Anyone know about this piece ?
  4. Hi, please help identify this item found along Arkansas river next to Jefferson Arkansas. Thank you
  5. I recently took a trip to a section of the Fayetteville Shale (Mississippian Era) which I've had good luck with before. I could not anticipate what I would actually find this time, though! I've previously found orthocone nautilus fossils 3-8inches in size, but this one was just unbelievable. I believe it is a Rayonnoceras solidiforme. I am absolutely ecstatic about my 3 footer, to say the least!! I have never found another fossil even remotely in the same ballpark as this one. This is most of the fossil. There is still at least one more part of the tip in the shale, but it to
  6. The vintage hippy

    Northwest Arkansas fossil ID help needed

    I found this the other day at a creek in Northwest Arkansas in Benton county. Closer to the Missouri line. Any help would be greatly appreciated. Thank you!
  7. Treader

    Is this a petrified bone?

    Here's one that I came across while walking in the woods near a river. The shape caught my eye so I picked it up. Is it a Petrified bone, or just a rock?
  8. Got this clam with a mixed lot of fossils recently; this would normally go in the "leaverite" pile, but something odd caught my eye. I'm pretty good with Rorschachery, however, I'm wondering if this one's been bitten. It's about 5" long overall and has a line running through both sides that makes me wonder if something mouthed it at some point. It's most likely geological compression, but more eyes=better. Thoughts? Thanks!
  9. Evan Green

    Fossilized Bone ID Help

    Could I get some help identifying this fossil specimen? I'm unsure of if it's a rock or bone but considering the contrast of texture and look with any rocks I've found before, I'm leaning towards bone. It was found near a river in middle-Arkansas & is pretty small and hard to discern. Any ideas?
  10. Hardly anybody ever talks about the Cambrian fossils of the southern midcontinent (USA). They're super-underappreciated. Show us what you've got! Here's one to start us off: Thorax and pygidium of a trilobite, possibly Orygmaspis, typically referred to as "Orygmaspis cf. Orygmaspis llanoensis" but probably a different species altogether. Note the two pairs of macropleural spines marking the final thoracic segments. Davis Formation (late Cambrian: Furongian), south side of Highway 8, St. François County, Missouri.
  11. Grimpuppy

    Fossilized mushroom?

    I recently ordered some decorative stones for my garden when one of them happen to catch my eye. Is this a petrified mushroom it is hard like a rock but has very defined gills.
  12. Booking a family trip to northern Arkansas! Finding a trilobite is on my daughter and my “dream come true!” list! Any recommended destinations or places to look would be greatly appreciated! Thank you!
  13. Rocksandrocks

    Two fossils to ID

    I’m hoping to ID two fossils. The first fossil was found in the Boone Formation of Northwest Arkansas. My first thought is ammonite, but the spiral is much looser than what I’m seeing online. The second fossil was found 10-50 miles south of the south rim of the Grand Canyon in Arizona. It was a while ago, can’t remember exactly where I was. Both are about an inch across. Thanks for your help!
  14. Lev

    Unknown fossil

    Found in the Little Buffalo River near Beckham Creek
  15. Howdy all, I did a bit of fossil hunting in Fayetteville AK over Thanksgiving, hitting the Mississippian age black shale the area is famous for, looking for goniatites and any other ammonoids or nautaloids I could find. These concretions were dug out of the lower unit shale and many of them were large, extending over 4ft in length, flat, with an oblong appearance. This was on the surface of a concretion and unfortunately was exposed to weathering and moisture. Not sure what that is. This little guy, it’s just provided for grins and not requesting an ID. It
  16. Scott .C

    Arkansas find

    Hi guys, Thanks for your help. This was found in an Arkansas cave, where there was a lot of bones, and a lot of Indian artifacts. The inside is porous and seems to be somewhat of a bone / calcium deposit I'm not sure. Please help me identify this. It doesn't feel like a rock at all, and there's also a big piece that looks like a vertebra, kind of crystallized, that was found with this.
  17. Barrelcactusaddict

    Claiborne Amber (Cockfield Fm., 41.3-38 Ma)

    From the album: Fossil Amber and Copal: Worldwide Localities

    1.4g translucent specimen measuring (mm) 16x15x10; one side presents an unbroken exterior, with slight remnants of sand, clay, and lignitic matrix. This material was recovered from the Malvern Clay Pits, east of Malvern, Arkansas. FTIR spectrum comparison of Claiborne amber to modern Shorea sp. resin points to the Dipterocarpaceae as a probable source for this middle Eocene-aged amber.

    © Kaegen Lau

  18. Barrelcactusaddict

    Claiborne Amber (Cockfield Fm., 41.3-38 Ma)

    From the album: Fossil Amber and Copal: Worldwide Localities

    4.1g rough specimen measuring (mm) 25x18x15. This is a section of a run, with successive layers grading from translucent to opaque; portions of the sand, clay, and lignitic matrix coats the exterior as depicted. This material was recovered from the Malvern Clay Pits, east of Malvern, Arkansas. FTIR spectrum comparison of Claiborne amber to modern Shorea sp. resin points to the Dipterocarpaceae as a probable source for this middle Eocene-aged amber.

    © Kaegen Lau

  19. Barrelcactusaddict

    Claiborne Amber (Cockfield Fm., 41.3-38 Ma)

    From the album: Fossil Amber and Copal: Worldwide Localities

    8.0g prepared rough specimen displaying a partially polished face, measuring (mm) 50x22x14; this piece is a transverse section, and displays numerous layers or flow lines with sequences of micro bubbles as well as sediments. This material was recovered from the Malvern Clay Pits, east of Malvern, Arkansas. FTIR spectrum comparison of Claiborne amber to modern Shorea sp. resin points to the Dipterocarpaceae as a probable source for this middle Eocene-aged amber.

    © Kaegen Lau

  20. Just a note that James Cullison's 1944 monograph on the rocks and fauna of the upper Lower Ordovician of Missouri and Arkansas is now freely available for download or perusal at https://archive.org/details/paper-cullison-1944-the-stratigraphy-of-some-lower-ordovician-formations-of-the This publication has always been devilishly tough to get a hold of. A nice systematic paleontology section deals with the many gastropods and other mollusks as well as the less diverse brachiopods, trilobites, and sponges. The monograph covers the following formations as currently accepted in Missour
  21. Jennymack

    Ozark mountain fossil

    Hi. I have no idea about fossils… My family and I vacationed in jasper Arkansas on the buffalo river last summer. We were deep in the mountains and my daughter picked up this rock and dropped it. To our surprise it was full of fossils. She took it to school today to show her class since they’re learning about fossils. Her teacher told her it was only a few hundred years old, not a real fossil. So now I need confirmation that we found something good. Help me out!
  22. Scott .C

    Plz help with id

    Any help identifying ?? Thank you
  23. jeffmo

    Are these fossils?

    A friend found these two items in Northwest Arkansas/SW Missouri in a stream bed. Wondering what they might be. and second item similar size without scale, sorry. Thanks for any comments.
  24. found2turnout

    ammonite central arkansas, small and ??

    before quick polish, et apres. small ammonite? central arkansas...and B maybe nothing but something perhaps, unidentifed compadre of exhibit a. please advise. merci.
  25. Traveling from Minnesota to Texas next week Take I35-W down and roughly following the Mississippi back up. Any recommendations for fossil or paleo related Museums to visit or fossil hunting trips/locales along this loop? I am mostly interested in vertebrate fossil hunting but would really be up for any good suggestions.
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