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Found 154 results

  1. Folks, These photos are from a small section of shale I picked up in Northeastern Oklahoma. The shale contains marine fossils of Pennsylvanian age. I have questions about a couple of the labeled objects. I’m thinking the center one may be a brachiopod (or possibly a bryzoan--it's hard to tell because of the crinoid plate resting above it). The one on the right looks to me like a bryzoan. However, I’m a novice at identification so I’d appreciate any opinions. The putative bryzoan appears to have grown on the crinoid stem. Best wishes.
  2. Bison?

    First,I hope I’m not doing this wrong, but had trouble posting in Fossil ID for some reason. I hunt a several mile portion of the Arkansas River in Tulsa, Ok. I’ve previously gotten help with identification from the University of Oklahoma on a number of Bison bones, vertebrae and horns, as well as bones from smaller vertebrates. However, that’s a lengthy process, so I was hoping for suggestions on what this bone may have belonged to. It’s shiny because it’s been coated with clear enamel. I’ve had it for several years, but it just occurred to me that it’s dissimilar to my other Bison bones. Obviously, there was some deterioration before it began to mineralize, and one end is missing which makes it very hard to ID. Any help or suggestions is much appreciated! I can take and add more photos if anyone wants, just let me know what angles, etc. Thanks!
  3. I posted some of my finds from the Texas Permian in the Box of Matrix I got from PaleoTex LLC and now I get to share some of the cool little stuff I've found in the Oklahoma Permian! Texas Permian had lots of sharks teeth, Amphibian teeth and interesting boney bits. The Oklahoma stuff is not nearly as "productive" as the Texas Red Bed matrix, but it has LOTS more complete bones and vertebrae! And some really nice little jaws with teeth! Here are a few of my favorite finds. Most are about 1/4 inch, some smaller, a few a bit larger. Amphibian Bolterpeton Jaw and teeth 1/4 inch Amphibian Captorhinus aguti Jaw and Teeth: Synapsid Mycterosaurus Tooth and Jaw Fragment 1/4 inch Unknown Amphibian Skull Fragment (the two round knobs are where the vertebra attached) 1/4 inch Another Unknown Amphibian Skull fragment: 3/8 inch LOTS of little bones! A nice full rib Vertebraes: Myceterosaurus Caudal Vert: 1/4 inch An interesting Vert that looks like an old Victorian Door Knocker! hahaha Probably Captorhinus 1/4 inch Another Captorhinus Vert 1/4 inch An unknown Vert: 1/8 inch
  4. Unknown vertebra?

  5. All, I wonder if someone may have an opinion about the object(s) in the small nodule shown here? The entire nodule is about 0.63 inch wide x 0.75 inch long x 0.5 inch thick (1.6 cm x 1.9 cm x 1.3 cm). It came from an area of shale that is likely of Pennsylvanian age in Northeastern Oklahoma. The shale from this location has many fossil marine invertebrates. I'm assuming its a mineral formation, but any thoughts would be appreciated. It is very hard to get the 3-D relief to show up in photos, so several angles and lighting conditions are shown. Best wishes.
  6. Fossil ID

    Have been doing some fossil exploration in Oklahoma and found the following. Would welcome any help in the ID. Thank you.
  7. Fossid ID Requested

    All, I wonder if someone could help with an ID? The fossil in the pictures is about 0.75 inch (1.9 cm) wide x 0.75 inch (1.9 cm) long. It is about 0.125 inch (0.3 cm) thick at the two large “horn-shaped” raised areas. It came from an area of marine fossils (crinoids, corals, brachiopods, bryzoans) in shale that is likely of Pennsylvanian age in Northeastern Oklahoma. The fossil seems to have two small parallel ridges running through the middle where the halves meet. Also the left and right sides are roughly symmetrical. These features make me wonder if it comes from the midline of some organism with bilateral symmetry. Any thoughts would be appreciated. Best wishes.
  8. Invertebrate ID help requested

    All, This is my first post, although I have been reading with interest for some time. As I approach retirement, I find myself returning to the hobbies of my youth, including fossil hunting. I found these fossils in a single rock in Northeastern Oklahoma (a few miles South of Tulsa). It came from demolished concrete structure, so I do not know where the rock originated. The rock is very hard and very fine grained. It reminds me of chert or a very hard limestone. The first photo shows one end of the rock, where the closeup photos were taken. The fossil in the upper left is about one inch (2.5 cm) in length and about one-half inch (1.3 cm) in height. The second photo shows a close-up of this fossil. I am nearing the file size limit, so I will attempt to reply to this topic with additional photos. I would be grateful if forum members can help me with identification. Best wishes.
  9. OK, I need some help on a fossil I uncovered today. Details: north-central OK, Permian (mid to lower), Wellington fm, in a slab of mud/sand stone with claystone inclusions and acid reactive. Lots of plant material and partial tetrapod skull in this large slab. With all that out of the way, I hope someone here can give me an ID on this tiny bugger. Its roughly 4mm across. I'm really at a loss for what this is. The only thing that comes to mind is that it might be a vertebra. The two processes (extension) are curved, giving it the appearance of an elephant skull. You can see there is a fresh break at the centrum. Before it broke, is was nicely rounded and whole. So experts, what your opinion here? Vert? reptile? amphib? fish? not a vert? One last thing. Both this, and the skull frag, have a weird deep red coating on the surface. In a way if annoying as its a little harder to get through than the rest of the matrix, but then again I know when I'm getting very close to bone because of the color.
  10. Wister Ok - Pennsylvanian

    Found this items this past weekend on my property in Wister Ok. The area is Pennsylvanian and I am not sure what this is or if it is simply a cool geological piece for the flower bed.
  11. Permian fish spines in coprolite

    Hi all, I have been going through some of the coprolites in my collection in order to catalog them. I have two different specimens that have fish spine and scale inclusions. They are from Waurika, Oklahoma (Permian). 1. I want to verify that this is a fish spine. If so, could it be from a Xenacanthus?. Does anyone know if Xenacanthus had scales? The coprolite contains numerous scales. Of those that are visible, this is the best preserved. 2. This coprolite has a different type of fish spine. Any idea what type of fish it is from? That may be a tooth poking out above the spine. Based on the size of the coprolites, I'm assuming the coprolite producers were feeding on fry. As always, thanks for you help!
  12. Planning another summer ramble across a wide swath of the US for siteseeing and fossil hunting. Going to hit some previous sites like Kemmerer and Big Cedar Ridge in Wyoming along with planned stops for a guided dino excursion at a private ranch in eastern Montana and a trilobite dig at Theisen quarry in Oklahoma. I will be zigzagging across much of Montana and Wyoming and would be interested in other suggested stops on the way if anyone has anything they are willing to share. Not looking for someones secret stash, just publicly known places the wife and I might be able to stop for an hour or two as we roll through. We will also be traveling through places like western Nebraska, Oklahoma, southern Alabama, etc. I am interested in any era, invertebrate, vertebrate, plant. Looking to expand my personal collection and maybe pick up a few pieces to trade or auction off here. I have the most flexibility while in the north, but I have been trying to see if I can detour to squeeze in at least a little Alabama carboniferous as I have seen many beautiful specimens posted and I love plant fossils. We shall see. I have the rockhounding guides for the northern states and have tagged several possibilities, I have also been combing through previous posts and searching other references online. I would love to identify an ammonite location along the way as I have never managed to collect one myself. Thanks in advance, Randy
  13. Lake Eufaula OK

    Will be heading there next month for a couple of days. Anywhere close to do a little fossil hunting?
  14. Trace fossil?

    I found this in our property southeast Oklahoma. The area is Pennsylvanian in age. My first thought was that it may be weathered barite (Rose Rock) which is the state rock. However, they are Permian in age and not found in this area to my knowledge. Now I’m thinking either weathered chrinoid (calyx?) maybe a cluster of burrows, or just a really cool looking rock. Any help would be appreciated. The item is 4” x 5.5” in size.
  15. Oklahoma Trilobite

    This trilobite is labelled as Viaphacops from the Bois D'Arc Fm., Devonian, Oklahoma. Can anyone confirm and perhaps assign a specific epithet? Scale in mm.
  16. Chouteau OK

    Found this piece just east of Chouteau, OK the area is right on the boundary of Pennsylvanian and Mississippian era rocks but I suspect this plate is Pennsylvanian. There are some pretty cool chrinoid pieces in the plate but I am specifically trying to identify the piece that looks like a piece of barbed wires in the middle of the piece. Archimedes?
  17. Eastern Oklahoma

    Found this imbedded in a rock and we’re trying to ID it. It looked to us like the back of a crab. It’s approx. 7 cm across. Found in NE Oklahoma, near Tahlequah, high on hillside. Does that make it Devonian period at the latest? Please assist.
  18. 3D Jellyfish sharing

    Merry Christmas folks. Just wanted to share some photos of one of my favorite specimens.. It's a 3D mold of a Scyphozoa conostichus jellyfish from the Pennsylvanian period from the Nellie Bly Formation, Sand springs, Tulsa, Oklahoma. It's 5.3 x 4.5 x 4.0cm.
  19. Hello, I recently found these three items in Custer County Oklahoma where Quaternary mixed with Permian and Cretaceous bedrock can be found. They were all found about 5 feet from each other with items one and two on top of each other. When I hold them they remind me of a terracotta pot in texture and kind of sound like terracotta when you tap on them. I am guessing they are fossilized bone? If it is bone I would love to figure out what it came from but understand that determining exactly what it was from may be difficult. I appreciate any input on what they could be and would also understand if its too difficult to determine. Below is item one, kind of flat.. Maybe a Skull?
  20. For your viewing pleasure. Sharing with the group.
  21. Crinoidal Holdfast?

    Here is a picture of what I believe to be a crinoidal holfast on a brachiopod shell. This is very small (scale on the side are mm's) but I thought it was pretty neat looking. I found this while cleaning some of my material I collected earlier this year from the Haragan Formation (Lower Devonian) near Clarita, Oklahoma. When I first saw it, I thought: "this looks like a little starfish", then I learned to count! So I am assuming this a a holdfast, but I am wondering if anyone can : 1) confirm that; 2) provide any more precise ID; 3) point me to any references that might help. I have gone through Oklahoma Geological Survey Circular 55 on crinoids, but did not see anything like it (it doesn't have much on holdfasts, no surprise). Thanks for any help anyone can offer.
  22. A couple weeks ago I met with a retired paleontologist that specializes in Pennsylvanian cephalopods. I showed him all my finds from a certain site here in NE Oklahoma and he was kind of surprised with what I had found (and wasn’t finding). There were a couple common goniatites and nautiloids, a few uncommon ones and five specimens of one type of goniatite he didn’t recognize. He checked his book and still couldn’t match a suture pattern and told me it may be an undescribed species. He noted down the pattern and said he was going to double check, but if it ends up being the case, he would potentially try and get it written up. So, my question is, for those of you who have been through this before or do it for a living, what all does describing a new species entail?
  23. possible snake fossil?

    Just joined today so first time posting! *I can already tell this is going to be my new favorite site! I originally found this fossil when I was about 11 years old. It was found on a rock cliff in the middle of Lake Eufaula in Eastern Oklahoma. I begged my uncle to take me to the rock cliffs projecting from the center of the lake so I could throw rocks in the water. I remember the cliff being very tall and all a light grey color. the rocks flaked apart really easy so I was having a hay day chipping off big flecks and tossing them down to the water below. to my surprise I flaked off this piece and decided it was too cool to toss in the water. I tried to follow the shape both directions but my uncle got impatient so I didn't get to find the head or tail. I rediscovered this piece at my Dads house in the attic about 8 years ago . I had forgotten about it so it was like discovering it all over again. I am 35 now and am truly amazed I still have it considering all of the moves I have been through. My wife and I are finding ourselves with more time to go on adventures so we are thinking about getting into hunting. thought if I could get some inside into what exactly I found may help reignite my passion for exploring the unknown.(unknown to me anyway) Thanks in advance for your time. Shane - Okc, OK
  24. Love to know what this is?

    We found this while cutting trails in our forest, on the banks of our spring fed natural pond. We live in southeast Oklahoma, in the Ouachita National Forest, in the Kiamichi River Valley. All of which used to be underwater eons ago. Every single person who has seen it in person, has said it looks like a petrified turtle. It’s heavy like stone & the top is darker with a slight greenish tint & is very smooth & not rough like the bottom or like a rock. The outdoor lighter is 12 inches long. Thank you so much in advance, for your help & insights into what it could possibly be!
  25. Fossil Sites in Oklahoma

    Hey guys, I was wondering if any of you know where some fossil sites are in the state of Oklahoma. I am a noobie in the field of paleontology but I want to learn more and want to go on trips to quarries and places where fossils are located. I know relatively what is located in Oklahoma: trilobites, bryozoans, echinoderms(crinoids), blastoids, brachiopods, etc. Me and my friend Ian are interested in going to different locations such as the Thesien Quarry or White Mound. Me and him have never been on this type of trip before but I'm eager to visit one of these sites. I was also wondering if you guys had any advice for me or just some helpful information to due with searching or picking specific sites. Thanks.
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