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Found 255 results

  1. Taking a break from my many projects to do a bit of planning/research for my 2021 Utah excursion, putting together my "preop brief" Kept stumbling on references to Bathyocos housensis. Its a "new" genus and the species description only has very nice stereo images of the cranidium. Looks like all the paratype specimens are also just glabella-centric cranidia as per SUNDBERG, F.A. 1994. Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella Biozone (Middle Cambrian), Utah and Nevada. Contributions in Science from the Natural History Everyone else seems to just regurgitate the same cut and paste mention from Jell, P.A. & Adrain, J.M. Available generic names for trilobites. which is just a mention of Sundberg 94. Was just curious if anyone has or had seen any images or reconstructions of this curious little bug. Looks like its a Drum, Wheeler, and Snake Range critter.
  2. Here is a good website that gives the gps coordinates for several fossil sites near Moab, Utah. https://www.discovermoab.com/dinosaur-museums-and-hikes/ Nearby south of Moab is the newly discovered mysterious 12 foot tall metal monolith, sort of like the one in Planet of the Apes. 38°20′35.2″N 109°39′58.5″W See video still from David Sparks Instagram page. If no one claims it then maybe they should take it to a local museum.
  3. Unknown Utah Trilobite

    This trilobite pygidium was found in a talus slope at base of Fossil Mountain in Western Utah. As you can see it is quite weathered. I found it about 25 years ago when my mom and I went back country driving in my Ford Tempo lol. That car went into a number of not car friendly areas haha. From what I know of area geology I believe it would be Ordovician in age
  4. Hello! First of all, I am not a geologist. This isn't my field of work. I am hoping somebody here can help me with this! Today I drove a few miles southeast of St George UT and into AZ. This place is amazing. Fossils everywhere. Just incredible stuff. Was out looking for crystals and whatnot... And unearthed these... Looking to what it is, a guess maybe on how old, and HOPEFULLY an explanation of what the small "hair looking" matter is. It looks like a root, and hair, I actually have no idea but this thing was entirely underground and inside this chunk of material that came apart. So whatever it was, it's been there for a while. So cool! Added a quick snapshot of the Gaia app. Coordinates for the area 36.948968,-113.471321 Any help would be much appreciated!
  5. Hey everyone, I’ve been meaning to get this post up for a few days but I’ve been dealing with my poor cat inky (Sweetheart of a cat) who is on her final day of life today. I will have to put her down November 1st. Very sad time as she’s been my companion the last 13 years. I’m sure many can relate. I’ll try to keep the chatter short and just get up as many photos I can for you kind people on the forum to enjoy. I just got back recently from an amazing trip to Utah and Nevada (Oct/11/2020-Oct/18/2020) Where I was camping in the field and trilobite collecting for 6 days straight. It was a very rewarding trip but it also required some serious gusto and hard work in the field. This type of collecting I did isn’t for the faint of heart with many days stacked on top of each other. With that I’ll try to get to the photos cause we all know that’s what we wanna see. These will consist of mostly field shots of finds during the first moments after discovery. My prep lab is under construction and it’ll be a couple months before I can start prepping these amazing bugs. First time to Utah requires pictures upon arrival. This was home....the nights got very cold and the days were comfortable but dry and sometimes kinda hot. Avoided some serious heat so I was lucky. This time of year is a little more forgiving in the desert. field shots incoming! It may take a hour or 2 to get them up.
  6. Triassic Bone - phytosaur?

    Probably from Petrified Forest member. Literature says phytosaur remains a common occurrence. Can anybody confirm what it is?
  7. Coral ID help

    This is an isolated find, mixed in a gravel pediment perched above the Colorado River. So I cannot even guess what formation it was derived from. The first photo looks like the anchor to bedrock. The third photo is the top view.
  8. Found this on a hike near Jacob Hamlin Arch. Wish I had something next to it for scale, but it was sticking out around 20-26cm and about as round as a large loaf of french bread.
  9. Allosaurus Caudal Vertebrae

    This purchase was advertised as an Allosaurus (half) vertebrae obtained from Ernest Shirley inventory. Matches well with exhibits 4,5,6 of the illustration from Charles Gilmore's 1920 report on Osteology of Carniverous Dinosauria... which is considered to be a 5th (?) caudal vertebrae of A fragilis (Antrodemus). I would appreciate any feedback on what details are present in this fossil and perhaps where this may have been collected, as no provenance was provided. There are small pits visible in the side view which may be fossae. I have seen photos of similar looking specimens with a gemmy "peacock" internal preservation. The external surface is black silica while internal details are calcite/dolomite based on the reaction with acid.
  10. Dr. Barry Albright, University of North Florida - Discovering Nothronychus Graffami, Northeast Public Radio UNF professor involved in new dinosaur discovery in Utah, University of North Florida L. Barry Albright, University of North Florida, Researchgate Papers Yours, Paul H.
  11. Utah septarian surprise

    In May of 2020, my boyfriend David and I drove up to Utah to go look for septarian nodules. I should preface this by saying that David has the most amazing "beginner's luck" of anyone I have ever known. Not only did we find a beautiful "normal" septarian nodule, David found a spot where apparently a large marine reptile of some sort died, and was later encased in septarian. We have since learned that this is basically the find of a lifetime! The beauty of these specimens never fails to amaze me. The large free form was cut and polished for us by Joe's Rock Shop. The matched pair was cut at Joe's, then polished by me. The largest piece is what it looks like in the rough.
  12. This is a specimen from the strata near the top of Fossil Mountain/ Ibex in Millard County, Utah, USA. ( Ordovician- Lehman Formation) This is as-found 17JUL19 , no prep was done as I thought the weathering was beautiful just the way it is! Lots of interesting stuff in there, bits of various trilos, bivalves, ostrocoda,and lots of those coiled and partially coiled critters I have yet to identify.
  13. Question for the prep people out there. I have a handful of unprepped, but we’ll exposed Elrathia trilobites I’m hoping to clean up, but I don’t have any scribes or wire brushes. Are there any simple alternatives I can use to polish these guys? Cheers!
  14. Gizzard stone

    Found in a small Yellowcat wash, outside Moab, UT while scouring for petrified wood. Not near a uranium mine. Partially exposed and nothing else like it around the area all day. The wash was in Morrison material. About 3” x 5”. Super shiny even without washing. Thanks!
  15. Here are images of the 6 honeycomb pattern patches found in my Wheeler Formation collection. First image: 1 mm long Second image: 1mm long Third image: 1.5 mm long One image missing - couldn't get to focus. Fourth and Fifth images: 2.5 mm long. These are facing images of each other - original fossilized and impression - same specimen. I tried my very best, but images are still a little fuzzy, despite higher magnification.
  16. Honeycomb-like structure

    I have gone through 200 pounds of Wheeler Formation and found only 5 of these (2 are the original, and the impression of one specimen). I must have missed the impressions or originals of the others. They are difficult to spot. They are honeycomb structures, almost microscopic patches, just sitting on top of, but firmly attached to, matrix. These patches are not any bigger than 3mm at their longest dimension. Only one of them is that big, and they are all roughly circular or oval in shape, no boundaries, no distinct edges. The others range in size from 1mm, to 1.5mm, to 2.5mm in length. The first photo: 10x eyepiece, 4/0.10 body. Second photo: 10x eyepiece, 10/0.25 body. Both images are to the right of the pointer. At first, I thought these might be trilobite eye molts, or detachments due to decomposition, as their inner structures appear to be hexagonal, like the lenses in holochroal eyes. But maybe the density of these structures is too great for trilobite eyes. The only response I have had is from a member who thought these might be algal in nature. I have searched online for the past two days, narrowing it down to every type of dasycladean or protist I could find, but no image I have seen, from the pre-Cambrian through the entire Cambrian, has revealed anything that looks like these. They resemble encrusting bryozoans, but bryozoans didn't appear until the Ordovician. And, of course, that includes the Receptaculites or Fisherites, which have a passing resemblance to my specimens. Could any other creature from the Mid-Cambrian have possessed such a membraneous structure? Are any of you able to help me identify these?
  17. Ok, several more photos. Now, these strips of oxidized material also have those very tiny filamentous fibers running along their length in the same direction as the strip, somewhat like the grain you see in wood. These may be degraded specimens, with only a few single fibers left. Some have many more fibers per square cm. Remember the oxidized hash (yellow/orange) I showed you previously which is just filled with these fibers? Maybe this particular stuff is actually a clump of algae, and not necessarily just tracks. Maybe the strips without fibers, but instead with other 3-dimensional patterns such as chevrons, braiding, or helical, could be one or the other. What if the helical pattern in a strand of algae could be the result of a worm boring through it and feeding on it, not just a worm boring through mud? I just obtained a fascinating book entitled "The Trace Fossil Record of Major Evolutionary Events", Topics in Geobiology 39, Volume 1, Precambrian and Paleozoic, edited by M. Gabriela Manzano and Luis A. Buatois. This book is filled with lots of fantastic photos of ichnofossils, especially cruziana, and suggestions to back up these findings. Some of these traces look so intricate and real as being the fossils themselves, one can be easily fooled! There are many problematica out there! Anyway, I recommend this, and other books and articles on Ichnology, as great reads, and very eye-opening. And not everything that has been published as being this or that, is absolutely set in stone (pardon my pun). Just like the scientific names of the life forms we find in our searches, they change constantly, the more we discover about them.
  18. Shell fossils?

    I have a shell fossil that was found at millcreek on at pipeline trail in Utah. The ridges on the shelves are clearly defined and looks quite different than all the other shell fossils I have. I'm not one hundred percent at the Shell fosil of a bivalve shell. Any further information on this fossil would be great thanks.
  19. Margaretia dorus

    I just managed to find most of a frond of Margaretia dorus. Usually, it is represented by ribbon-like strands with tiny fibers running along its length, and frequently iron-oxidized. See photos of posts Ichnofossils, Algae, or Something Else, parts 1 and 2, under Fossil ID. This particular specimen (original fossilized and impression) is fairly three dimensional, and carbonized like the trilobites from this formation. Note the oval holes (pores?) running along its length! Margaretia dorus was originally thought to be an alcyonarian coral, then a green algae similar to Caulerpa. Today, some think it may be a hemichordate (with a worm-like creature residing within).
  20. Holochroal Trilobite Eyes?

    I found these (almost microscopic) honeycomb patches just laying on top of matrix. They are not attached to any trilobite, but what else could they be? Molted off? Sorry, I tried to take photos of them, but the detail is just not coming up. They are perfectly crystal clear when viewing under the stereoscope. I probably need a better camera. Will try later if/when I invest in something better. Has anyone else found tiny honeycomb patches in wheeler material, not directly associated with trilobites? I am finding both original fossilized and their impressions. I am looking to see if any other creature, such as a sponge from that time could have left such an attachment point.
  21. Other trilobites I have found in the wheeler. Asaphiscus wheeleri Only one complete with impression. Lots of fragments. Note the huge, broad pygidium.
  22. I have Elrathia kingii, Itagnostus interstrictus, and Acrothele subsidua. Also, rare rock and mineral from California, eclogite and benitoite..
  23. These are very tiny, delicate, fibrous/filamentous structures which are most commonly found within an iron-oxidized (? yellow/orange tinted) hash. They are probably part of something bigger, like maybe the fibrous structure of highly degraded algae. These are really hard to photograph with what I have. Again, 3ach circular shot 9mm+wide.
  24. I need your opinions, please. Burrows, I think.