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Found 15 results

  1. Indiana Ordovician Bivalve ID

    Over the weekend I found this bivalve while collecting at the St. Leon, Indiana roadcut. I posted it in the Hunting Trip section, but received no ID on this piece, so I figured that I would put it here to see if some Member could give me an ID. I have never found one like this before nor can I find a similar one while checking various web pages. Thanks
  2. Since there was no Fossil Garage Sale this weekend I decided to drive 4 1/2 hours down to Brookville and St. Leon, Indiana on Friday to do a little collecting at both sites and then headed back home on Saturday week. I was a quick trip and I hit both sites on each day. On Friday it was about 70 degrees, but poured in the afternoon while I was at a Brookville road cut and on Saturday morning it was a brisk 37 degrees and I forgot to check the "Feels like" temp. The cut is very steep and prior to the rain it was very dry and there were numerous times when I lost my fitting and slid down at least 5 feet each time. This was the first time that I had visited this site and I was reminded of it by @stats Rich when I saw him last week at the garage sale, though I did not go to the cut that he goes too. With this report I am going to keep it short and just show a couple of my finds, but I did find a lot of stuff. I found a lot of larger, loose Rafinesquina, and I believe that this is one, but I never have found one shaped like this big boy. I found a lot of Cyclonema snails and as many that were just the internal mold, some are pictured in the Right side pic. The top internal mold in the below picture is a Monoplacophoran. I think that I found about 20 Ambonychia pelecypods, here are some below. Here is a piece with an Ambonychia (Top Left) and a Caritodens (Bottom Right) pelecypods. I found several other pieces of Caritodens,here is one below. I only found 1 partial trilobite at the Brookville site. I found a number of loose Leptaena brachiopods and a few plates with many. I found several Vinlandostrophia brachiopods. I thinks that these are all Hebertella, but I could be wrong, there are so many brachs that look the same to me. Ans I found a few cool hash plates, here is one below. At St. Leon I only found 3 very small Flexicalymene trilobites, here is one below. I found this large piece of an Isotelus trilobite. Post to cont-
  3. St. Leon IDs

    Here are a few small bits from the Cincinnatian (Upper Ordovician) roadcut near St Leon, IN, that I’m not sure of the IDs. They were all collected from the butter shale trilobite layer of the Liberty Formation. First is what I think may be part of a crinoid? Not positive. Next, I have no idea. Maybe part of a crinoid. A fragment of a conulariid also crossed my mind. Here is a small brachiopod that I picked up thinking it was Zygospira but is definitely not. I’m guessing this trilobit is Flexicalymene, but I know a few other species of trilobites are found here so I wanted to check.
  4. I made my first trip to the massive Ordovician roadcut near St. Leon IN yesterday. Had a good time. One question I had was about the different formations present there. If I understand correctly, most of the Richmond Group is exposed there, and bottom to top is the Waynesville, Liberty, and Whitewater formations. I really couldn't make out any clear divisions in the exposed rock though. From what I've read, the butter shale trilobite layer is the Liberty formation. I spent most of my time collecting on the second terrace, which appeared to be made at the top of the butter shale layer. So that would be the Liberty formation? I also collected some hash plates on the way down, which I suppose could have been either Liberty of Waynesville, but also could have been scree from any place in the roadcut. Should I label my finds as just coming from the Richmond Group and not worry about which specific formation?
  5. Looks kind of like wood, but I know it’s not. The only candidates I have found are stromatolites and bryozoa. I’ve been to St Leon probably 6 times now and never seen this before.
  6. On Sunday, my family and I decided to head out for a fossil excursion to spend out day.@Uncle Siphuncle pointed out a good fossil site for me to find trilobites at a road cut in St. Leon, Indiana. Thanks a ton!! Unfortunately, as it had rained for quite a while that day, we had to wait until well after noon to reassure ourselves that we would not need to fossil hunt in the rain. Luckily, this also meant we got fresh picks before the other collectors! Here is the haul from the day: (I hope to bring back more over the course of the week!) Top to bottom: (1) Random pieces of the trilobite Isotelus (sp.). (2) The largest piece of trilobite that was found that day at the site. Although the piece is large, this is just a tiny, tiny fragment of the real trilobite! It is included at the bottom of image #1. (3) The best find of the day. It is a piece of the rear-half of the trilobite Flexicalymene (sp.). I do not know the specific specie, but the most abundant trilobite found at the site is Flexicalymene meeki, so it is safe to assume that the trilobite is F. meeki. After staring at the trilobite piece for some time, I extrapolate that it is approximately ~2/5ths of the trilobite which it once was. It is indeed very small! (4) Fossilized gastropods: (5) Fragments of orthoceras. These tend to be larger! ( (6) A handful of associated crinoid stem segments. The 2.4 cm one is quite long for a piece found detached from a matrix. I like it! —————————————— Overall, I think that our trip to the site had not met its maximum potential. We thoroughly examined every foot of ground that we covered- but this was only a short strip of land roughly 20 * 60 feet. Time was not available for a longer hunt. I estimate that we covered less than 5% (!) of the total fossiliferous area available to us that day— next time, I hope to find more than just ~1/3rd of a trilobite! -FS
  7. Before I headed back home from my trip to Lawrenceburg, I decided to stop for a few hours in the rain at St. Leon and see what I could find. Here are just a portion of the things that I found. Trilo-Bits Isotelus Trilobite Genal Spine and Thorax Segments Brachiopods- Horn Coral- Isotelus Thorax segment and Straight Cephalopod- Misc.
  8. My children have been begging us to spend a couple of holidays with them, so this year we drove from Fl to Michigan for Thanksgiving, and then over to Maine for Christmas. It was way colder than we are used to...so, LOL, last trip to Maine in winter. I had planned to stop in Mich near Alpena to fossil hunt but it was too cold. I did stop at familiar places on the way up/ The Conasuaga river bluff of mudstone, which I am still cracking, but have including one nice image from it. And then I stopped along the road cut north of St Leon, Indiania, and found my first rolled trilobite, a little flex...but also a rolled isotolus, however with a crushed face. I posted those previously, I was so excited. After Michigan, on the way to Maine, I stopped at the La Farge Quarry piles near Paulding. I only stayed briefly there, as it was late in the day, however the next morning my good wife suggested I go back for a couple of hours while she slowly got ready to travel. I jumped at the chance, even though it was only 34 degrees and raining...I thought, "Hey, I'll get there and the fossil gods will stop the rain for me" . True. I got there, chipped out a couple of things...all the shale and rock is quite hard, so I generally only had big chunks of stone. I was taking my changes. I kept looking for trilobites as I know they are common, but not easily found here. At any rate, no trilobites. Once I got back to Florida and started looking over my loot with my 10 x loop, I discovered a couple of trilobite eyes..I have been slowly cleaning them with a pin, but so far it seems like they are either singular, broken off eye pieces, or at best a cephalon, with no complete body. The larger one I posted is so interesting, because the lenses on the top of the eye are missing...there are just round little holes filled, or not with clay. However on the bottom of the eye, the lenses are in place... they even show up glassy looking under my loop. I could look at them for hours. I also found some interesting brachipods in Paulding, I am including images of those, in case anyone can help me i.d. them. They are shaped somewhat like eggs...with a fold about a third of the way in from each edge, and quite deep. I thought the first one I found must have been more circular and had probably been forced into its current shape by nature, however when I found a second one like the first, I began to question that theory. Any help would be great.I may end up posting them in the ID help area as well. Overall it was a great trip, I have much to clean, and am so thoroughly glad I can now sit outside in nice warm temperatures to do it....hey, even 65 degrees is better than the 22 below we endured in Maine.
  9. Bryozoan ID

    I am wondering if someone can identify this Bryozoan that I found at the road cut in St. Leon, Indiana- I have not found a another one like it. @Peat Burns / @Herb possibly you could help.
  10. St leon

    I had mentioned recently iwas going to stop at the highway 1 roadcut north of st leon. Ive stopped before, but never fou d a trilobite there. Well a few hours ago it happened. I found a nice little one rolled up, about 1/2 inch. When i get it and the other things cleaned ill post them. However, i am showing what i think is a partial rolled trilobite, but compared to half incher, it is huge. I only had a quarter to put next to it for size, if it were whole it would be 3 inches wide. Ive never heard of one that large from that location. Am i wrong, i think the left eye is showing, and part of tbe rolled pigidium, but the right half of the face is crushed, and the left portion beyond the eye is broken off. Neverthess i am reall excited
  11. Help with St. Leon, Indiana ID's

    I was hoping that someone on the forum could help with the ID of 2 items that I found earlier in the year at the St. Leon road cut. The first is a nice hash plate that contains something that I believe might be a portion of an Isotelus trilobite- it does not have the shape of a brachiopod and is larger than any brachiopod that I have found there. I also believe that the 2 pieces would connect if not for the matrix between them.
  12. Up for trade, Two Flexicalymene retrorsa found yesterday in St Leon Indiana. Ordovician.
  13. 10 flexis from about as small as they get to as big as they get in St Leon. I now have both my new largest and smallest flexi from this location.
  14. I recently was able to stop at the well known ordovician roadcut just north of St Leon in Indiana. What a wonder. I was able to be there only an hour, but it was fascinating. I was able to find these nice brachipods, but would like to label them correctly and so far books haven't helped me...I thought perhaps someone would be familiar with the brachiapods from that road cut and help me out. thanks. the people on this site are always helpful, and knowledgeable and so it is exciting to be a part of it all. The Brachiapod labeled 6, a,b,c are obviously three different views of the little guy. the coin for size in the edge of the photos is a dime. This brachiapod is so cool, one can see the opening edge between the two halves..so cool.
  15. Southeast Indiana (St. Leon)

    Recently, we made our first trip to St. Leon roadcut in southeast Indiana with my kids and father. Thought I'd put together a report of the trip and show the various items found. I've tried to make my best effort at IDing the brachiopods from the drydredger website, but please let me know which ones are incorrect. Here's some pictures from the location.