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Found 17 results

  1. Ordovician Unknown

    I need help with another specimen that popped out of the Ordovician matrix I was busting up last week. I have NO clue as to what this is, or if it is even a fossil. I have split literally a ton of matrix on this roadcut and have not seen this before:
  2. Crinoid stem but is there a Calyx?

    I have looked at this piece for about 1 week and my opinion changes from a crinoid stem and calyx to a crinoid stem and broken gastropod and back. So I will now defer to anyone visiting this post to leave their opinion seeing I can't make up my mind. I have both specimens marked.
  3. Galena Gastropod ID

    This Ordovician gastropod is like no others that I have found. Any knowledgeable members able to educate me?? Maybe a strange maclurite?? Love the hollow crystalline interior.
  4. Does anyone know where I could find or purchase "A preliminary stratigraphic study of the galena group of winneshiek county, iowa" ?
  5. I have not gotten out much locally this summer due to a few issues. Forced myself to step away from my current stresses and hunt some fossils along the Minnesota Iowa border. Found some nice brachs, cephalopods, rugosa coral, gastropods, and fisherites. Nothing special, but it was nice being out again. When I returned home, I was going to hammer a little matrix away from a few of my collections. A large slab had a worn cephalopod in it and I was going to break it out and put it in with the fossils I take to the children's sand pit at a local park. With one swing of the hammer, I decided this one was NOT going to the park! It is amazing how often this happens to me. I wonder how many nice fossils have been left behind only because I quit breaking the rock. Two beautiful Maclurites and a Hormatoma laid hidden underneath the matrix surrounding the cephalopod.
  6. Mike @minnbuckeye kindly sent me a package of orthocone nautiloids from his area recently. It's one of the taxa that are sparse in my collection so I was happy to accept the offer. I'm posting them to show what a generous guy he is and to elicit more info about them that might be missing... I don't think that big one in the lower right was labeled - Is it the same as the other large one, Elgin IA?
  7. We temporarily melted our snow enough for me to get out last week for a short fossil hunt. But yesterday, 9" of snow put further hunts on hold. I had to stick with south facing slopes due to the frost in the ground. My goal was to look for a mixed bag of cephalopods, gastropods, and trilobites. Success was had with one swing of the hammer!!!! Two cephalopods, two trilobites, six gastropods and one brachiopod all in one rock!
  8. K16048A.jpg

    From the album Fayette County Iowa

  9. K16048B.jpg

    From the album Fayette County Iowa

  10. Receptaculites Oweni.jpg

    From the album Fayette County Iowa

  11. echinoderm

    Any help with this would be appreciated.Found in a quarry in Rockford, Illinois. Ordovician Galena group Thanks
  12. Crinoid Holdfast

    From the album Other Fossils

    This is a crinoid holdfast from the Prosser member of the Galena formation of Southeast Minnesota.
  13. Crinoid Holdfast

    From the album Other Fossils

    This is a crinoid holdfast from the Galena Group of Southeast Minnesota.
  14. With a slight chance of rain, my father and I decided to go hunt the Maquoketa, Galena, and Dubuque formations in Southeast Minnesota. We got to the first spot at about 6:30am and were getting rained on before 7:00. The site was in the Maquoketa Formation and the best way to find stuff is by splitting the limestone. After almost 2 hours of prying up slabs and splitting them we decided to call it quits and move on. The rain and the fact we weren't finding much were the primary motivators. No photos because all I brought home were a couple Hindia Sponges which are now at my father's house. Our next stop was a site where I had found a slab with very rare Celtencrinurus sp. parts earlier this month. I had wanted to get back to see if we could find more of the layer and possibly some more parts. I also wanted to take a measurement so I could record exactly how high above the Cummingsville Formation contact the previous specimens were collected. They were in place on the bedding plane so an accurate measurement would have been possible... if I had remembered my tape measure. Guess I'll have to go back. Anyway we didn't find any more parts of Celtencrinurus sp. in the rest of the slab or anywhere else. We continued to hunt for a little while longer and I found an interesting piece that could turn out to be a decent Ceraurus sp. A bit of prep will reveal if it's a complete specimen or not. By this time it was about 11:30 and we were getting hungry so we went to grab some lunch. Ceraurus sp. (Complete?) Cephalopod During lunch we decided to hit two more quarries in the area, one in the Galena Formation and one in the Dubuque Formation. We got to the Galena quarry and started looking slabs over for trilobite parts and echinoderms. After not finding a whole lot I stumbled across a large Thaleops laurentiana. It has a chunk broken out of it's head, but there are thoracic segments showing so hopefully it will prep out decent(pictures to be taken). I also picked up a rather interesting geodized cepahlopod that I thought was pretty cool. Geodized Cephalopod Final stop of the day in next post.
  15. On Saturday, June 8th, I was going to meet forum member Bev at around 8:30am to pick up a rare trilobite and help ID some other stuff and do a little collecting. I had a wedding to get to that afternoon and the weather for Sunday did not look good at all so I left home a little early to get some extra collecting time in. I left home at 5am and was on the rocks right around 6:30. I had originally wanted to hit a Maquoketa Formation site, but the hwy was under construction with long detours so I stopped at a cut in the Galena formation I hadn't been to in a while. Here is my (poor) attempt at making a panoramic shot of the site: At the bottom of the cut lies the Cummingsville Formation that has thick shale beds between sections of limestone. Lots of brachs, horn corals, and bryozoan can be found loose in the shale beds.
  16. With an extremely long winter, the snow finally receded enough to get some collecting done. This is the latest start to collecting in my memory, so I was extremely anxious to get out on the rocks. I did make a quick half hour stop on my way down to the MAPS fossil show on the 4th, but I didn't count that as an official outing. My father and I decided to hit the Maquoketa Formation and the Galena Formations of Southeast Minnesota on April 7th. We also brought along a long time collecting friend who joined us at MAPS. We hit the road at about 7am, and got to a small MN town and had breakfast in preparation for the day ahead. We got done at around 9:00 and headed to the first stop. As we passed the bank, I noted the temperature at a balmy 30f(-1c for the rest of the world). Luckily the breaking of the rock kept us warm. We spent 2hrs breaking the amazingly resilient Maquoketa Fm. and found some interesting things. For some reason my eyes were tuned to sponges and there seemed to be a plethora of them. We picked up a couple of the best ones, but left many more. Another unique fossil found at this site is an undescribed Ectenaspis trilobite. We found many cephalons, pygidiums and hypostomes. They differ from the Isotelus iowensis and I. gigas in that the cephalons and pygidiums are much more triangular shaped and the hypostomes are longer and more slender than the two Isotelus. I did find one trilobite that I'm not sure what it is yet, I'm hoping it's a cheirurid of some type. My camera died so I didn't get a photo of everything, maybe tomorrow... Ectenaspis sp. hypostome Find why I picked this up... We left there at 11:00 and drove back into town to do some antiquing and say adios to our collecting friend and then made our way to our next stop, a Galena Fm site. As we passed by the same bank, the temperature had warmed up to 33f(0.5c). There we picked up a few gastropods and even managed to find a trilobite. A few trilobite parts, including an interesting pygidium were also collected but my camera is dead... Anataphrus boreaus, you can see the eye poking up a bit Our final site was another Maquoketa cut where again we broke out trilobite parts, sponges, and some interesting feeding traces(they look better in the shade). Feeding traces I'm quite pleased with this first trip out and am anxiously waiting for the next trip!
  17. Pleurocystites sp.

    From the album Other Fossils

    Here is a Pleurocystites sp. from the Cummingsville Formation of the Galena group of Southeast Minnesota.
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