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  1. Dean Ruocco

    Dipleura dekayi

    From the album: Mahatango Formation

    Schyukill county, Niss Hollow member?
  2. Today, I went on a quick early morning fossilhunt. I have been anxious to get out hunting, any chance I can considering how mild winter has been so far. I decided it would be best to start today with little, to no expectations and just see what the day would bring. At about 3:30am I woke up to use the bathroom and when I played back down all I could do was toss and turn. So I did that until about 5:15 and I finally got up. Got to the hunting grounds about 7am, just as the sun was making it's presence known. Unfortunately it was only 20° at the site. There was some snow covering the site as well as ice. Obviously this made digging and splitting slabs a real chore. So much so the there wasn't a whole lot I could do. I was hoping that with the sun out maybe it would eventually warm things up enough to make digging a little easier. So for the first 2 hours i kinda putzed around surface scanning and flipping slabs over, looking for something worthwhile. Eventually I started trying to remove slabs. I was actually starting to make a bit of progress, but then the ground got hard again. While trying to remove the slabs, I picked up a small chunk of matrix that fell off. As I inspected the piece carefully I noticed a small Dipluera pygidium and partial thorax exposed on the very edge of the break. I could tell that the rest of it was underneath some matrix. I would of normally been static but the area where the Dipleura was sitting was pretty fractured and I didn't really think I was going to be able to extract it without the whole thing crumbling apart. But I put it in the truck and decided to give it a shot when I got back home. Other then that I only brought home a bivalve and a brachiopod. There really wasn't anything else worth keeping. When I got home I inspected the trilo very carefully and looked at every fracture going around it, I started breaking off small bits of matrix till it got to the point where all that was left was the portion covering the front half of the trilo. I took my angle grinder and made a notch. Then I took a screwdriver, twisted and popped off the top! That is when I got very excited! Now I have found Dipleuras smaller then this one, but this is the smallest one the I have found in this good of condition. It measures at 1 7/16 of an inch. Totally made the trip worth it! Here is before and after pics.
  3. Thomas1982

    Dipleura dekayi and Eldredgeops rana

    From the album: Mahantango Formation

    Dipleura dekayi and Eldredgeops rana Schuylkill County, Pennsylvania
  4. Busy weekend with a fossil forum meetup at DSR in Madison County, NY and a Buffalo Geological Society trip to the LaFarge Lockport Quarry which is in the Lockport Dolomite. Very fun meetups with both groups and plenty of great finds to go around. I got pretty lucky with the fossils I found at DSR, including what I believe to be a very small pyritized complete crinoid but I could be wrong. I'll add the suspected crinoid pictures to a separate comment, looking for input from community members. I'll start out of order with Lockport since I did not find many fossils. Just a few nice corals, not sure what the ID would be for these yet. 1. Tabulate coral in matrix, no scale. This was approximately 4-6 inches in length. 2. Two different coral specimens I was able to take home Fossils from DSR: 3. Disarticulated Dipleura trilobite. One of my favorites 4. Tornoceras cephalopod fossil. 5. Paleozygopleura encrusted by bryozoa, great preservation 6. A few of the Greenops trilobites I found, some may be complete under the matrix. Meant to put these in a separate comment, but they are here now. A few too many pictures, but the different saturation and lighting helps view the fossil better. This would be my first complete crinoid, very excited about this one if it is. The larger chunk of shale that I found this piece in had other crinoid partials in it as well.
  5. Thomas1982

    Dipleura dekayi

    From the album: Mahantango Formation

    Dipleura dekayi Schuylkill County, Pennsylvania
  6. I’ve spent about a year now combing through PA’s Mahatango, attempting to collect all of the trilobite fauna present in the formation. At this point I have all but one, Odontocephalus being the only that’s eluded me thus far. A big thanks to @Dean Ruocco for showing me around and in general refining my craft man. IMG_0717.MOV
  7. Dean Ruocco

    Dipleura dekayii

    From the album: Pennsylvania trilobites

    Dipleura dekayii Mahatango shale, Danville Pa
  8. Thomas1982

    Dipleura dekayi

    From the album: Mahantango Formation

    Dipleura dekayi Schuylkill County, Pennsylvania
  9. Nautiloid

    Partial Dipleura dekayi

    From the album: Nautiloid’s Trilobite Collection

    This is a pretty okay specimen of Dipleura dekayi. It’s missing the pygidium and the body is a little disarticulated. Collected August 19, 2022

    © Owen Yonkin 2022

  10. Nautiloid

    Super disarticulated Dipleura juvenile

    From the album: Nautiloid’s Trilobite Collection

    Dipleura dekayi from the Middle Devonian Hamilton Group of Central NY. Collected on August 8, 2022.

    © Owen Yonkin 2022

  11. A.C.

    knockout.JPG

    From the album: A.C.'s Trades/Purchases

    Dipleura dekayi Middle Devonian Hamilton Group Skaneateles Formation Madison, NY
  12. A.C.

    knockout 2.jpg

    From the album: A.C.'s Trades/Purchases

    Dipleura dekayi Middle Devonian Hamilton Group Skaneateles Formation Madison, NY
  13. A.C.

    knockout 3.jpg

    From the album: A.C.'s Trades/Purchases

    Dipleura dekayi (Pygidium) Middle Devonian Hamilton Group Skaneateles Formation Madison, NY
  14. A.C.

    knockout 5.JPG

    From the album: A.C.'s Trades/Purchases

    Dipleura dekayi (Left) and Eldredgeops rana (Right) Middle Devonian Hamilton Group Skaneateles Formation Madison, NY
  15. A.C.

    Dipleura dekayi

    Curled Dipleura dekayi sitting on a slab with an enrolled Eldredgeops rana. Apparently, the Eldredgeops was added to this Dipleura to create this "association" piece.
  16. Nautiloid

    Dipleura view 2

    From the album: Nautiloid’s Trilobite Collection

    Another view of the same Dipleura showing the head tilted over the front of the rock.

    © Owen Yonkin 2022

  17. Nautiloid

    Good sized partial Dipleura dekayi

    From the album: Nautiloid’s Trilobite Collection

    I really like the light orange color of this trilobite. Collected on 5/13/2022 in Central New York Probably Moscow Formation Hamilton Group, Middle Devonian

    © Owen Yonkin 2022

  18. Hey all, I am looking to add two new species to my collection. I would like a Dipleura and an Isotelus. Also interested in most any Asaphida species. Preferably complete / relatively complete (Rollers are fine) Please DM me photos if you have any you are okay to part with and we can make a trade.
  19. Rexofspades

    Lost River Easter egg hunt

    Went on a little "Easter Egg Hunt" with my folks, found some excellent fossils. day was hot but I enjoyed it. I have provided my best ID, but please feel free to correct if you can identify it further! it helps with my labeling system for sure. this lizard was good luck right next to where my mom was standing i noticed this beauty sticking out of the rock further excavation revealed this possible horn coral? eldredgeops rana heads trilobite glabellar fold ( possibly Odontocephalus?) Dipleura rib impression (Very exciting to have found 3 species in one trip!) amonoid Cephalopod Agoniatites vaxunemi (note the preservation of the sutre lines). and here is a conularid i found as well Possible pelecypod? brachiopods and lastly a couple of crinoid buttons dug out of the rock
  20. Thomas1982

    20220222_114026

    From the album: Mahantango Formation

    enrolled Dipleura dekayi
  21. Thomas1982

    20220222_113933

    From the album: Mahantango Formation

    enrolled Dipleura dekayi
  22. Thomas1982

    20220222_113921

    From the album: Mahantango Formation

    enrolled Dipleura dekayi
  23. Since we both had the day off, my daughter and I spent a couple of hours at the Deer Lake site (Schuylkill County PA). It was a beautiful sunny day in the mid 50s! A good start to this years fossiling adventures...
  24. KompsFossilsNMinerals

    Final trip to DSR for the season

    Yesterday my father and I took a trip out to DSR to collect samples for a school display project I'm making. We made some pretty incredible finds, including the largest trilobite I've ever seen with my own eyes. It was pretty nice at the site, the weather wasn't too cold. We immediately found some cool pieces, including 2 separate Echinocaris phyllocarid specimens (I found one, he found another) here's the Echinocaris I found, while just one valve it's got some incredible detail. here's the Echinocaris my dad found, it's the only juvenile one I think I've ever seen. I believe it may be complete, as it looks like the second valve goes underneath the matrix. Unfortunately the negative which held the telson is still at the site... maybe we will find it in the spring? Here is an awesome piece of a devonian tree branch which my dad found! onto some Greenops I found, this is a complete roller that was just sitting out. It's a bit disarticulated but still pretty nice. some of the many Greenops pygidiums I picked up, sorry for the poor lighting a nice Greenops cephalon with most of the genal spines still present Headless Greenops onto some of Eldredgeops, this is the largest cephalon of one I've found at the site here's a cool hash plate, there's a head and a pygidium present. I might try and split it open to see if there's more inside the block. And now, my favorite trilobite species found at DSR... Dipleura dekayi. two of the smallest I found, the one on the right is the smallest I've ever found in general. This is a large segment that my dad found, unfortunately it was just a single segment. I think some of you may want to take a seat before seeing this next Dipleura specimen, it'll knock your socks off! This is an 8 inch (from the remainder of the pygidium which might be in the negative to the tip of the cephalon) Dipleura dekayi!!! This is by far the best find my father and I have ever made from the site, as well as the largest trilobite either of us have found! This piece alone made the entire trip worth it, and im excited to get it cleaned and put on display. Interestingly, the Dipleura was found upside down instead of right-side up... Al Tahan proposed that it could've been a molt that was simply more stable upside down, which would explain why every other fossil near it was right side up. I'll be sure to post more about the Dipleura as well as some more specimens I uncover when I go through the material we brought back.
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