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  1. A cool piece frozen in time from the day they were buried together. Also a decent size Inoceramus shell for the area and always fun to find an ammonite. This piece is from Boulder, Colorado.
  2. Mochaccino

    Two Nautiloid Steinkerns?

    Hello, Could I get some help identifying these two nautiloid steinkerns? Unfortunately no precise age/locality info on them but I think they might be from the Pennsylvanian or Permian of Kansas or Texas. They are both around 8-9cm wide. 1. 2. Referring to this: http://inyo2.coffeecup.com/kansasfossils/kansasfossils.html I think #1. might be Metacoceras and #2. might be Liroceras. @Missourian I believe you are referenced in that post and you seem to be experienced in this fauna? Thanks
  3. I was wondering if there's anyone (preferably in Colorado) who can prepare fossils with an air scribe if sent to them and if so what there prices would be for a project. I have a plethora of fossils from the Pierre Shale still encased in matrix and a hammer and chisel is just not detailed enough and it requires breaking and glueing specimens. Hopefully one day I can get my own air compressor and scribe setup but for now I'm in a apartment and that's just not possible. Any feedback is appreciated.
  4. I was really enjoying hiking around different spots in Boulder, Colorado and eventually I came across a beautiful outcrop of the Niobrara Formation. I thought it was so cool that there were shell imprints in the rock and nobody had ever taught me about the Geology of the area and it was really fascinating to see for myself that the whole area was once under the sea. I stumbled upon a massive Inoceramus and I knew I had to haul it home. Not bad at all for a first fossil hunt I don't think I ever found a Inoceramus as impressive as my first. Begginers luck.
  5. I've had some beautiful little hikes around a sandstone outcrop and I've stumbled upon some very decent bivalves
  6. Came across this fossilized bone along a lake shore in central Colorado, a little southeast of the Denver metro area, and was hoping you all could help ID it. My initial thoughts were that it belonged to a prehistoric mammal of some kind but I have very little experience identifying specimens like this.. Also, I'm not sure if this is useful information or not since it was found in the sand by the water's edge, but petrified wood fragments were scattered around the area as well. Any posits will be much appreciated, thank you!
  7. rawfossils

    Strange Inoceramid

    Never seen anything like this so far. I know it's an Inoceramid from the shell structure but I've never seen one in this shape before. I know there's a lot of variety with this species but I have a lot of experience collecting bivalves and I've never seen one like this.
  8. Lots of large Inoceramus bivalves from the middle unit of the Pierre Shale (kpm). Almost every rock I flip over is a bivalve been having fun hiking around
  9. Being a Colorado native, I have taken multiple trips to the public-access Florissant Fossil Quarry located near Florissant Fossil Beds National Monument in Florissant, Teller County, Colorado. This quarry provides fossil collectors fantastic access to the shale layers of the Florissant Formation, a late Eocene (Priabonian, ~34 million years old give or take) lagerstatte known for its diverse fauna of fossil insects, in addition to plants, gastropods, and very rarely vertebrates. Most fossils occur in very thinly laminated ashy grey shales. Other lithologies present include well-sorted tan cour
  10. stacylaray

    Fiber web-like thing inside rock

    Found this rock in southern colorado. Strange, squares, seemingly fibers of some sort.
  11. ElizabethHarris

    Looks Like A Petrified Clam

    Is this a measly clam or is it a mother nature made stone? The more questions I asked, the more knowledge I'll gain
  12. Good evening to my fellow fossil lovers! This report has been on hold for a while, hovering near the top of my paleo-to do list. But to be honest, I haven't been on the forum as much these last few months and I've just sort of kicked the can down the road, pushing it off. Well here we are in August 2022 and I'm a whole year and some change removed from this excursion, but I say better late than never. With that out of the way lets jump into this adventure! I hope you're ready for... The Roadtrip Through Time: Colorado Part I: Pierre Shale In the winter of 2021 I ha
  13. Took a trip down to my childhood museam and found a little corner I missed back in the day with some beautiful ammonites and baculites
  14. Hi everyone, it’s been a while since I have posted on here. Next summer my family is moving to the Fort Collins area and I was wondering if there were any sites or natural areas to hunt/collect in. I read on fossilspot.com that the south shore of Horsetooth Reservoir (west of Fort Collins) contains Late Cretaceous Fox Hills formation containing “Inoceramus, Ostrea, etc.”. I have already planned to get down to Florissant Fossil Quarry (despite the extremely expensive one hour access fee). My mom has friends with ranches in the central part of the state that have extensive land with mountain ATV
  15. Hello everyone, I am going to be mainly in the Aurora area and possible Denver area during some part within the next month amd was wondering if there are any public sites locally and legally to find fossils. I don't mind if they are invertabrate sites as I do prefer those over vertabrate(however I don't mind vertebrate fossils either). All I have found online is the Florissant Fossil site and the normal tourist attractions where collecting isn't allowed/permitted. I don't overcollect and tend not to dig just to be on the safe side, both legally and for not damaging the landscape an
  16. Fossil Maniac

    Diploducus tooth

    Hello! I bought this 1'' Diploducus tooth a couple weeks ago, But I've seen other people who have teeth that look the same as mine and theirs is labeled as "Diplodocidae" teeth, mine is labled as Diploducus sp. So I was wondering if it's just a Diplodicidae tooth or still a Diploducus sp.
  17. Here is a rock/fossil from Moffat co. Colorado USA. Any ideas if it is a bone fossil? If so, what might it be from? It was found on the surface of a very rugged old road with no other similar looking rocks in sight. I did find a fossilized shell not far away (20 m).
  18. Found these teeth while hiking at Pawnee Buttes last year and am unsure what they belong too. My top guess would be Oreodont though.
  19. Mochaccino

    Green River Formation Larva?

    Hello all, Need help ID this insect larva from the Eocene Green River Formation of Colorado. It's 1.5cm long, about 2cm if outstretched. As far as I can tell it has a series of large, bulbous protrusions spiraling along the length of its body, and one end has a sharp taper/point, though I'm not sure if that's the head or tail end. It has a very distinctive look so I feel like it would be recognizable if it's something that's been described before. Any help appreciated, thanks.
  20. Hey, headed into Denver tomorrow, passing Dinosaur Ridge in Morrison, then down to Colorado Springs. Can anyone point me in a direction to search for a few fossils along the way? I have heard Florissant is productive, but anywhere else between Denver and Colorado Springs? Thanks for any help,
  21. My first fossil hunt post. Yesterday (May 29 2022), I went down to the Florissant Fossil Quarry in Florissant Colorado. Its about a 45 minute drive west of Colorado Springs. Its a very well know site partly because of the very well preserved fossils and relative abundance but also because of how easy it is. You pay a small fee and they give you the tools and you pick up shale and start splitting, that simple. You're guaranteed to find something if you try. If you are in the area I would definitely recommend stopping by, its just not really on the way to any popular stops. There is also th
  22. I'm going to be taking a trip to the southwest (Colorado, Utah, New Mexico and possibly Texas) pretty soon, and I was wondering if anyone could give me some ideas as to where I could go fossil hunting. I'll provide the specific areas we'll be traveling to; I also previously lived in Colorado and have already found a few good sites, but would definitely be open to any other suggestions. Colorado seems pretty promising with some good fossil quarries (Florrisant Fossil Hunting and the Morrison Museum), and I grew up with the Denver Museum of Nature and Science as well as Dinosaur Ridge. I'll
  23. Brett Breakin' Rocks

    Baculite Mesa - WIPS Field Trip

    It has been some time since I posted anything of note. I'm still adjusting to my new surroundings here in Colorado but I did at least join a local Paleontological Society (WIPS) Western Interior Paleontological Society. My first field trip with the group was out to Baculite Mesa in Pueblo, CO. A location that is famous with a storied history, that is still giving up its ancient treasures. The weather here in Colorado can be touch and go at best, and our trip was almost delayed/cancelled by a late winter storm. This was our neighborhood in Denver the day before the trip. But temperatures
  24. sharkysaurus

    Possible shark tooth?

    I found this tooth today in Colorado Springs. In the Pierre Shale formation. It looks very shark tooth like. I prepped it out a bit to expose it more. I think it might be Pseudocorax granti ? ... but I'm not sure. Could this be a shark tooth and if so what species?
  25. yardrockpaleo

    Crane fly larva? from Florissant CO

    A rather strange insect from the Florissant Formation of Colorado, looks like a larva or some sort of soft bodied insect. The first piece, in better condition: And the second piece: I can definitely see segments and it seems to be a close match to this Tipula hepialina (crane fly) pupa from the iDigPaleo system: Do you guys think it fits? Thanks in advance!
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