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Found 137 results

  1. Ankylosaur armor?

    I was hoping some folks on the forum could confirm this ID for me. I found this interesting little piece in the hell creek formation of South Dakota back in July with Paleoprospectors. I was told by one of the guides that it could potentially be a piece of skull armor from a young ankylosaur. I want to know what everyone here thinks.
  2. Skull, Teeth, Jawbone, etc.

    Hello everyone and thanks in advance for any help or ideas. Earlier this summer my friend moved to South Dakota and purchased a home. A few days ago he was cleaning out a shed on the property and found a cardboard box filled with the fossils seen below. It is unknown if the prior owner had found these on the property or if they had been purchased elsewhere. So unfortunately he has no idea where or when these were originally found. Neither of us have much experience in this but obviously fossils such as these catch your attention! If anyone wants or needs additional pictures let me know and I will see if he can send more. I have included mostly pictures of the skull and teeth as I figured they would likely be most helpful for identification. It is assumed all these pieces belong together but it is possible it is just a random collection. The pictures in order are: skull facing front, skull bottom, skull side (close up), three different angles of the jaw/teeth, and then one pic of all the pieces together with a ruler to get a ballpark idea of sizing. Hope you guys enjoy the pics and hopefully someone out there has some guesses. Thanks!
  3. Hello Everyone, I am facing a bit of a dilemma. Husband is getting me a trip to go dig fossils for my 40th birthday!! Now, the dilemma of choosing where to go! My dream has always been to go to Green River formation for fishes.... however, here locally I am used to finding marine fossils only (North Texas), and another option would be to go with a certain Adventure group in South Dakota for some variety. I love prepping the delicate fishes, and think the Green River experiences would give more to take home with. Anyone here have any experience, or advice? I want TO DO BOTH!! Thanks in advance, Suvi
  4. Need Help IDing Hell Creek Dino Bone

    I have a fossil found in the Hell Creek Formation in South Dakota. Through studying I have not found a bone that matches mine in any known Hell Creek dinosaur. The bone is 8 1/4 inches tall, 5 inches long, and a width of 1 3/4 inches. The fossil weighs 2 lbs and 14.2 ounces. My belief is that it is from an ornithischian, possibly a ceratopsian or an ornithopod. It has a large hole in it for bone marrow, and at first glance looks like a human hip bone. Please help ID my fossil! Thanks!!!! -Carnoraptor
  5. I spent another great day in the Hell Creek formation of South Dakota (w/ Paleoprospectors) and found a lot of great fossils. It was a beautiful day, the temperature wasn't bad at all, helped by the occasional breeze and the bugs were tolerable for the most part. We started the day on a microsite which was eroding out of the side of a hill. The iron siderite pebbles were sharp to sit on and the slope was steep- being sure footed was certainly an asset along a good portion of this exposure. In spite of those factors, I still found some awesome fossils. A view of the microsite from the ground. My first good find of the day- A worn Richardoestesia tooth Most likely a Myledaphus vertebra A Champsosaur vertebra in situ An Amphibian vertebra- probably salamander. Probably my best find of the day- a claw whose identity is currently unknown. Two great anthill finds- Top: likely a marsupial tooth (Alphadon?)- Bottom: a multituberculate tooth (Cimolodon?) After these finds, I went to prospect with some other people but unfortunately came up empty handed. At least I got some pics of the cool looking exposures. After we returned from prospecting I decided to finish the day hunting the microsite where I started and spend some time at a channel deposit below which was also producing some solid finds (Another participant found a nice Acheroraptor tooth and a small theropod or bird claw there earlier) Center left: Myledaphus tooth A nice croc tooth. My last good find was a small section of theropod claw which I unfortunately did not get a pic of. Stay tuned because tomorrow we visit another Hell Creek ranch in North Dakota this time!
  6. I spent the day hunting the badlands of the Hell Creek formation in northwest South Dakota. It was beautiful outside. The sun was shining, the breeze was blowing and the insects were mild. The group started the day working the amber microsite- a spot where a phenomenal amount of amber is produced from lignite rich exposures mixed in with a deposit of smaller fossils. I spent several hours picking up amber bits along with a variety of other fossils. Here are some photos from the first few hours of the day Views of some of the collecting area A shot of the gravel where many of the fossils lie. Some pics of the amber- a small fraction of what I picked up. Several Brachychampsa alligator teeth. Left: A small Edmontosaurus tooth Right: A small digit, potentially turtle or crocodile Left: Small vertebra- amphibian? squamate? Right: Crocodilian osteoderm Left: One of my best Brachychampsa teeth to date Right: Awesome crocodilian tooth I left the amber microsite around noon to go prospecting with some other people, here is a view from atop a butte we found some fossils on. I found this awesome turtle claw after finding some shell pieces eroding from near the top of the butte. Since I found it among many pieces of softshell turtle shell I would assume it's a trionychid. As we moved away from the butte, we explored a dried creek bed which created a small valley with some exposures on the side. We found a few fossils including a champsosaur vertebra another cool claw. It belongs to another species of turtle, although I'm not sure what variety. I returned to the microsite to wrap up the day and was not disappointed by my finds. I found this Paronychodon tooth below the main amber site . My last big find of the day was this cool section of crocodile jaw. I found a ton of great fossils today and I'm crossing my fingers that tomorrow will be just as productive!
  7. T Rex tooth?

    I am obtaining this tooth that was collected in 1980s and found originally in S Dakota and is 3 1/2 inches. The person only identified it as dinosaur tooth. Here are the pictures. It looks like Trex right? Thanks in advance.
  8. Hell Creek Turtle

    Went out to the Badlands last week for some fossil hunting. Little bits of turtle shell are a common sight and the folks with me were in turtle fragment city, but this find was a little unusual. Take a look at what is turning into a whole tortoise plastron!
  9. Saw these at a rock shop in Custer and was a bit skeptical what do you guys think? For $9 each?
  10. Insectivore?

    This small mammal comes from South Dakota. i got it from a collector who didn't know what it was but recalls being told it was from South Dakota. I might have biased people enough with my guess of Insectivore based on my research, so I won't add in any more ideas. Many thanks!
  11. Some of my collection

    Hello gang, As promised this is where I will share specimens from my personal collection, my grandfather's collection, and the collection that was donated to the university I work for. The latter is interesting as it is literally boxes of rock and fossils, with no information and my university does not have a geology or paleontology department. I'll be updating it every so often. Enjoy! NOTE: Some of the donated items have old school "labels" on them. If you see initials or such that you recognize, please PM me, as I am doing my best to properly catalog them properly as part of my job!
  12. Raptor tooth?

    I found this tooth in Hell Creek formation. Need help identifying.
  13. Toe Bone?

    Need help identifying these bones. They were found in Hells Creek formation SD area.
  14. Fossil Id Confirmation - White River Skull

    This has been in the family for probably 60+ years. I have handled it and seen it countless times, prior to this it has sat in the bottom of a garage cabinet drawer for the longest time, and now I'm bringing it to you! This skull was caked in matrix on one side and mostly exposed on the other before I started working on it (first picture is the exposed side). I think I have the ID correct, I believe it's a Hyracodon skull, I'm looking for confirmation and I'm also curious as to which "sub member" these are found in... Brule, Chadron, or another layer of the White River Formation (I'm new to this and the majority of my research has been more geared toward the Cretaceous period of my state, thanks in part to the Jurassic Park movies ... ) . Forgive me as I haven't done a ton of research on the White River area, or ever stepped foot there... I know it's tough to believe as I live right here in South Dakota, but I continue to tell myself every time I drive by on I90 "next time", so maybe soon I'll put my boots on that ground. (I know that it's illegal to collect bone fossils in the National Park, but its an absolutely beautiful area that I have yet to check out). Anyway, here are the most recent preparation photos. (I have a decent amount of progress photos if anyone is interested). I'm not quite done with prep yet and I'm happy to take more detailed photos of anything someone might find interesting.
  15. Does anyone know if there is any overlap of BLM land on parts of the Hell Creek Formation in either South Dakota or Montana? Or are there other Mesozoic formations that have BLM overlap in South Dakota, Montana, or Wyoming for that matter? Judith River? Two Medicine? Morrison? Have an upcoming trip through all those states, might be nice to have the ability to collect some non vertebrate fossils along the way.
  16. From Badlands National Park

    Any idea what this might be? Or even what body part (skull?) We found this hiking in Badlands National Park in western South Dakota. We were hiking through bluffs made of Oligocene sediments that were rich in mammal fossils. Unfortunately no scale in the photo, but it was about 12 cm long and 10 cm wide.
  17. Just got back from a trip to the badlands of Montana and South Dakota in the Hell Creek Formation.. Here are some photos of some of the bones I picked up at an Edmontosaurus site. My hope was to collect specimens fitting in a shoebox and I was fairly successful at that which was quite surprise since you dont get to choose what you find. The site is faily large and the area I was collected had about 6 foot of overburden removed a couple of years ago so there was only 12 inches left before I hit the layer. The layer in this area is about 17 to 20 inches thick, white lines. Nothing is prepped at this point, lots of work in front of me but here are the raw photos before beautification Foot Bones - numbers correspond to my finds #1 Juvenile Metatarsal - IV #2 Phalanx II-2 Ventral view #3 Phalanx IV not yet sure which one #3 Another Phalanx IV bone #4 Ungual Digit III... found two close match to each other #4 Ungual Juvie think its Digit IV but I need to verify after prepping
  18. Sanity Check - Interesting feature

    Found these while crawling around in Perkins County South Dakota, Hell Creek Formation. My speculation is that they're poorly conglomerated petrified stumps or possibly tree limbs? The only soil I've seen them in is a very uniform gray and extremely popcorny soil. In some areas I've found as many as 10 of various sizes in an area no bigger than 200 square feet. I don't have a size reference in the photos because I mainly took the pictures thinking they were a neat part of the landscape. They range from sizes of 4" all they way up to 20"+. Anyone else seen these? Thoughts?
  19. Hell Creek South Dakota

    Found this bone in Perkins Co South Dakota, Hell Creek formation, weathering out of a hill top. Sorry about tape measure for size reference, it's all I had. I believe the piece is a fibula but I'm not sure on much else. That's why I'm here. Cross section immediately after finding it. This would be the final break towards the skinnier end of the piece. Cross section of the last break towards the larger end. Assembled and mostly cleaned
  20. I thought I would share this amazing articulated Troodon skeleton recently found by a respected fossil team. It's currently on the market so hopefully it ends up in a nice museum so everyone can enjoy it.
  21. Black Hills Rock Box

    Hi All! I discovered a long-forgotten box of rocks in our science storeroom and would appreciate some id help with them. A previous teacher had moved out all of the fossils except a handful they used . I'm sure these only escaped because no one knew they were there. The box was filled with rocks, plus a few masking tape labels, all of which seem to be from the Black Hills, South Dakota area. Rockerville, Tin Mountain Mine, Hill City, and Spearfish are all named. Also in the box was a 1955 Random House book called All About Our Changing Rocks. Thanks in advance for any help with these.
  22. Bison Bos

    Do I have a reference for a bison or bos astragalus ?
  23. hell creek micro jaw

    i have found quite a few micro jaws from the hell creek in the past like lizard and fish jaws, however i recently went through some old finds and noticed a small jaw, and i have absolutely no idea what it might be. it doesnt look like fish or lizard to me. the length of the jaw is about 14mm. A124 - 20190311_145352.bmp
  24. Pierre Shale, South Dakota Help

    It is so cold in the Chicagoland area I decided to go through fossils that I have not looked at in years. I came across a little container that contained a couple items that I collected back in the early 90’s. I am 99% sure that I collected thenm from the Pierre Shale along I-90, West of Wall Drug. I know there is a small portion of an Ammonite, but I wonder about the other pieces. I believe they all came out of the same concretion.
  25. https://www.eurekalert.org/pub_releases/2019-01/fm-fst011519.php https://www.popularmechanics.com/science/animals/a25953914/new-shark-species-sue-t-rex/
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