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  1. ChrisSarahRox

    I want to believe...

    This one was found in the foothills of the Florida Mountains just south of Deming NM I have not been able to find the areas age as of yet but I will keep looking.
  2. tekknoir

    Another mystery rock

    Ok, fossil forum, I've got another thing I'm not sure what to make of. A partial black stone about 3/4 inch long, with some interesting texturing on one of the flat sides and some porous dimpling on the rounded side. Found in Doña Ana county, New Mexico. Any ideas what it could be?
  3. ChrisSarahRox

    Highway cut through find

    This one marks a very profound moment in my life. While out carnelian hunting 3 years ago on a dirt road heading out to the "Gray Ranch" , there had been plans at the time to pave but funding was never granted. The work had already begun and parts of the road had already been graded and widened. Among the roadside rubble was this curious looking "driftwood" so naturally I had to investigate. It was barely visible as only 5 or 6 inches was above the rubble pile. To my absolute amazement this log was no longer a log but a solid rock. I said it marked a profound moment because the following day I
  4. Dani O.

    Dimetrodon Claw?

    I'm hoping someone can help me identify this fossil. I believe it could be a claw of some sort. I was super stoked to find it.
  5. ChrisSarahRox

    Possible fish scale?

    Found very close to my last two posts and very recently. Also this was on the surface and found in Hidalgo County NM and the area is from the Maastrichtian epoch.
  6. ChrisSarahRox

    Ocean dwellers?

    Was found in Hidalgo County NM and the area is from the Maastrichtian epoch. Curious to know more about it.
  7. ChrisSarahRox

    What could this be?

    Found in Hidalgo County NM and the area is from the Maastrichtian epoch. I know what it looks like however I know it's probably just geologic. Also, this was found among other smaller pieces similar in texture and color in approximately 20 square meter area.
  8. These were both labeled as Dromopus "Marsh" (seller mistook discoverer name for species). While the larger prints do seem to look like Dromopus to my amature eye, the smaller print may be something else. Both were consolidated with Elmer's glue (explaining the glossy appearance).
  9. tekknoir

    Petrified wood?

    Hi again, Fossil Forum! I've got a stone which I think is wood, but it's iffy enough for me to ask for a second opinion. Found in Doña Ana County, New Mexico. There is a lot of it out here! Anyway, let me know what you think! Size is roughly 3.5 cm wide, 3.5 cm tall, 1.5 cm thick at its thickest edge.
  10. curious kat

    Some kind of large Molar?

    Just found this, I think my horse might have uncovered it. We're not sure what it is, but from looking online it might be some kind of worn molar, but not from a horse or cow, but what? On one side it looks like it had been broken at one time, but it's all pretty smooth, no jagged edges. There's a lot of clay in the area & not even sure if it's a fossil or not? Thanks for the help!
  11. tekknoir

    Mystery Ball

    Hi all, I found an odd, almost perfectly round ball in the desert. At first I thought it was an old ball bearing, but it's not metal. Maybe a coprolite? Or just an average rock that happens to be round... It's 15mm in diameter, found in Truth or Consequences, New Mexico. I've found other fossils in the area including petrified wood and brachiopods. Thanks for any assistance, Tekk
  12. I would like to ask the experts on this forum for some help in identifying this jaw fragment. It contains two complete teeth (molars?). It is from a deposit west of Cuba, New Mexico, and is, as you can see, pretty small. The teeth are complete and look like they belong to an adult animal. They are not very worn. Any and all help will be greatly appreciated!
  13. readinghiker

    Help on this unknown lamniform?

    Hopefully, this will be the last time I post on this fauna until I announce the finished publication! I had originally identified this as a cretodus, but after reviewing Everhart and Welton, I am having very serious doubts as to the validity of this ID. The teeth are both labially and lingually striated. The lingual striations look totally different than the pattern found on the scapanorhynchids. The teeth have accessory cusplets, sometimes two on a side. The base of the teeth are more robust than that of scapanorhynchids, too. As you can tell by the photos, even the w
  14. readinghiker

    Cretodus cf. semiplicatus?

    Hey all! I have this tooth that appears to be a cretodus. It has plications on both the labial and lingual faces, with the lingual plications being smaller than the labial. Cretodus so far. Iy measures 3.88 mm in height and 3.42 mm mesio-distally, The problem arises with the accessory cusps. Welton and Farish state that Cretodus semiplicatus only has one accessory cusp on each side of the main cusp. Although one side of the cusps is missing, the other side obviously has two cusps. Was Welton and Farish mistaken, or is this tooth not even cretodus? Thanks! Randy
  15. It was hard to believe that six years had passed since I last visited the badlands of the San Juan Basin...if you are interested, I posted a few of those previous trips here and here. With a new field season upon us, @Opuntia and I made our first (of hopefully many) exploratory mission to the Upper Cretaceous Kirtland/Fruitland badlands of the SJB...
  16. Was hiking a trail in nw New Mexico and kicked this. Strange weight, shape, texture for a rock. Bumpy all over with holes in each end. Anyone know what it is?
  17. A new ceratopsid-related paper is available online: Dalman, S.G., Jasinski, S.E., and Lucas, S.G., 2022. A new chasmosaurine ceratopsid from the Upper Cretaceous (Campanian) Farmington Member of the Kirtland Formation, New Mexico. New Mexico Museum of Natural History and Science Bulletin 90: 127–153. The name Bisticeratops froesorum originally appeared on the cladogram of the cladistic analysis of the paper describing Sierraceratops, but when the text of the published Sierraceratops paper was finalized, Bisticeratops froesorum was edited out from the cladogram and repla
  18. New Mexico mammoths among best evidence for early humans in North America by University of Texas at Austin The paper is: Rowe, T.B., Stafford Jr, T.W., Fisher, D.C., Enghild, J.J., Quigg, J.M., Ketcham, R.A., Sagebiel, J.C., Hanna, R. and Colbert, M.W., 2022. Human Occupation of the North American Colorado Plateau∼ 37,000 Years Ago. Frontiers in Ecology and Evolution, no. 534. (open access paper) Formation and Taphonomy of Quaternary Fossil Accumulations: Advances and New Perspectives Yours, Paul H.
  19. readinghiker


    This has me stumped! An orectolobid, but what? I am assuming it is a cantioscyllium, but it doesn't have the cusps that most fish of this genus have. Unlike C. decipiens, there are no strong striations. Instead, there are some small ones on the labial edge, and the lingual edge has a kind of rim. Also, there is one small transverse striae found on either side of the mesial ridge. Any ideas? There are four teeth discovered in this fauna, so they can't be pathological. Thanks!
  20. readinghiker

    Strange ptychotrygon

    I'm coming to the experts once again! This is a very strange ptychotrygon tooth. It appears to be P. triangularis, but it is so elliptical. The low crown is similar to some of Bourdon's P. eutawensis, but according to Woodward's original description, there is a bit of ornamentation on the labial apron, which this doesn't have. Could this simply be a pathological tooth? Thanks!
  21. I took a geology excursion a couple of weeks ago, and had the chance to explore the I-40 road cut through the Gallup Hogback east of Gallup, New Mexico. Rather to my surprise, I came across a nice oyster horizon within the Mancos Shale. I realize the preservation is sketchy enough to make precise identification difficult. I'm wondering if these might be "baby" Inoceramus. I'll try to post some better pictures of samples I brought home later. And, since I consider myself lucky if I even get the right phylum -- I suppose another possibility is ostracods.
  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. I found this on BLM Land near Guadalupe Mountains National Park. No idea what it is. At one point I was hopeful it was a mammoth tusk. Help?
  24. David Joyce

    Searching for age of fossil

    This stone was found 40 years ago in the Santa Fe National Forest in New Mexico. I am trying to date the fossils. I guess it is Cretaceous but I am a newbie.
  25. I have collected quite a few interesting fossils from the Redonda formation, and I will be posting to this thread as I take photos. Two very large vertebrae to start- likely belonging to the Phytosaur Redondasaurus.
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