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Found 118 results

  1. Stylemys turtle restoration

    Any ideas on how to remove the green lichen staining from this partially weathered turtle without doing damage?
  2. Articulated Spine from WHAT?

    Right up front, I apologize for the poor quality of the photos. I left the vertebrae in place so these are the only photos I have. This series of 8 vertebrae were found weathered out in what I believe to be Whitewater, Brule in the general area of Interior South Dakota Badlands. I would love to have an ID!
  3. Hyracodon Jaw?

    New member, 1st post. Lifelong collector, recently re-enthused after finding this in South Dakota during a hunting trip. Take pity on the new guy and my first attempt at fossil photography. Would love to put a name to this!
  4. Tortoise shell repair

    Well I finally started repairing the shell I got in Denver. Starting with the bigger parts, with obvious placement and working out. Currently holding a part as the glue dries Im using a 5 minute epoxy on these two sections, mainly due to difficulty holding long enough for a 30 minute or two hour one. The shell is not as yellow as in this picture. warning, this will be a long documentation of my work as I go along
  5. Oreodont prep

    So as the tags indicate this is my first attempt at prepping a fossil. It is something I always wanted to do, but never thought possible. My wife, adult son, and I attended a gem and mineral show here in Michigan a couple weeks ago. As we were strolling around looking at all the displays and vendors we stumbled upon this. I think I was hooked before I finished reading the sign.
  6. ID on Micro Hell Creek Fm - Marine

    I was going through some matrix, from my last dinosaur dig trip, using a microscope to look for anything small. In that process I found something real small a micro. Its slightly larger than 1 mm. One of the smallest fossils I've ever found. Cephalic hook, dermal denticle or something else? Hell Creek Formation, South Dakota Any input would be appreciated. Sorry its the best picture I can take with my digital scope. Two images with a little different contrast. Thank you for looking.
  7. Unknown Owner of this Bone

    A number of years ago I acquired this bone from a fossil dealer near the Badlands of South Dakota. I'm looking to see if someone can ID this piece. I know that it is not Oligocene in age, and am not sure where he got it from.
  8. I enjoy reading old books. My grandfather worked for some years as a type setter and book binder and so I've inherited a number of great old reads from him. I'm currently working my way through A Treasury of Science from 1943 which is a compendium of older writings of varying ages. Similar to the nostalgia of watching old movies (or more like curiosity of watching movies that pre-date me) I find it interesting to read about the current level knowledge that is captured in those pages when reading from a vantage point some distance in the future (hopefully with an expanded view on the subject material). What Darwin labored with in chapter after chapter of his On the Origin of Species can now be succinctly stated in a few paragraphs in a Wikipedia article. Reading older or even antiquarian books makes me feel like a time traveler from the future (which, in fact, is pretty much what I am--relatively speaking). In a chapter of the treasury I'm currently reading called Flowering Earth, the author (Donald Culross Peattie) wrote in 1939 about the history of plant life on the planet. From the first protozoans to gain energy from chlorophyll through the ages of stromatolites, the fern and lycopod forests that gave us our coal, the early conifers including the Sequoia that shared the planet with dinosaurs, the cycads, and finally angiosperms and the rise of the modern plants. Quite an enjoyable read with the more eloquent and flowery (no pun intended) writing style of the 1930s. Here is a page on cycads that I read last night: What caught my eye while reading this was, of course, the existence of the Cycad National Monument. Why hadn't I heard of this before? Sure, there are infinitely more things that I'm unaware of than what I can hold in my brain at one time but surely I would have come across this before. Last night I made note to formally put this place on my short list of places to visit in South Dakota (there are apparently a couple obscure modest size sculptures to see there as well ). This morning while researching the Fossil Cycad National Monument I was disheartened to read that I'd missed my chance at seeing it by over half a century. It turns out that without proper protection that Professor G. R. Wieland's efforts to protect this outcropping of important Cretaceous cycad fossils were in vain. Vandals slowly stripped all the remaining visible fossils from this location and the national monument status was withdrawn in 1957. https://en.wikipedia.org/wiki/Fossil_Cycad_National_Monument In an effort to use this sad state of affairs as an example it has become a cautionary tale to inspire existing notable places to better protect their precious treasures. https://www.npca.org/articles/1008-gone-but-not-forgotten http://nature.nps.gov/geology/nationalfossilday/fossil_cycad.cfm http://www.nationalparkstraveler.com/2008/08/pruning-parks-delisted-over-half-century-ago-fossil-cycad-national-monument-1922-1956-cautionary-tal2805 I believe our membership has more respect for fossils and would never have taken part in this national monument's decimation and dissolution so I post this here mainly because I found it interesting (and sad) and because this tale seems to have faded from popular memory through the years. It provides a good example as to why some places require management and protection--real protection (not just a proclamation by the President). Cheers. -Ken
  9. I bought this opalized ammonite last month from a gentleman in Westerly, Rhode Island. Here's where he got it...
  10. Stylemys nebrascensis in situ

    From the album Fossil Discoveries

    I wanted to capture an angle that evoked the feeling of encountering this animal's fossilized remains where it may have actually died.

    © &copy

  11. Stylemys nebrascensis in situ

    From the album Fossil Discoveries

    I visited the Badlands National Park in spring 2016 and photographed this badly weathered fossil turtle where it died some 30 million years ago. I subsequently informed a park ranger where I had seen the specimen.

    © &copy

  12. Sphenodiscus 10

    From the album Sphenodiscus

  13. Sphenodiscus 8

    From the album Sphenodiscus

  14. Sphenodiscus 6

    From the album Sphenodiscus

  15. Sphenodiscus 5

    From the album Sphenodiscus

  16. Sphenodiscus 3

    From the album Sphenodiscus

  17. Sphenodiscus 1

    From the album Sphenodiscus

  18. This is from Western South Dakota. It is definitely a bone. It is super heavy and it feels like weighs well over 20 lbs. The "tip" has a hole going into the rest cavity of the bone that is all agatized. My foot in the photos is a size 12 men's to give a perspective on the size of it. What kind bone is it? And also what might it be worth?
  19. Bone ID? Upper Cretaceous

    Hello again, I've posted this fossil before on here a couple weeks back, but I did some more uncovering of the fossil and made a few additions from rock fragments I found surrounding the fossil, so it is more complete now. It is from the fox hills formation in South Dakota, with the depositional environment being lagoonal. Professional papers collecting samples from this formation list shark teeth, mosasaur teeth, bivalves, as well as dinosaur bone fragments being found here. I think we can safely rule out bivalves though haha. The brown end of the fossil looks to be a jointed end of the bone. The black "fracture" above my thumb in the first pic looks like a bone suture, something that occurs only in skulls of vertebrates. I'm no expert on sutures but this "crack" looks like it didn't occur after death of the animal. I haven't had this theory confirmed though. Thanks again!