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  1. Thomas1982

    Greenops boothi

    From the album: Mahantango Formation

    Greenops boothi Schuylkill County, Pennsylvania
  2. Kane

    greenops_widderensis

    From the album: Trilobites

    Taxonomy: Greenops widdernesis Age: M. Devonian Location: Arkona, ON (Widder Fm) Source: Self collected. Remarks: Prepared by Malcolm Thornley. Specimen is complete and intact apart from some minor pleural damage on right side.
  3. Thomas1982

    Greenops boothi

    From the album: Mahantango Formation

    enrolled Greenops boothi Perry County, Pennsylvania
  4. Hello Everyone! I managed to get out to hunt for fossils twice this week with today being absolutely awesome. Tuesday I went out with my friend Mike, in hopes of finding Trilobites. Had a great time even though I didn't find any whole Trilos. Mostly Cephalons and Pygidiums. I found a few decent brachiopods. Even though I didn't have much luck it was nice to get out with a friend and enjoy the day. And I was happy for Mike as he found 2 Greenops that I believe are both whole. He has only found 1 complete Eldredgeops in the past so this will be a nice edition to his collection. But today was a whole different story. I invited a few people to come with me today, but they all backed out. So I ended up going by myself. I left the house about 5:30 am. I was not happy when it started raining especially because the forecast didn't call for it. Thankfully when I got there it was just sprinkling and it stayed that way for the 5 and a half hours that I was there. I started my hunt finding alot of decent bivalves, which are not my favorite but were decent enough that I kept them.every once and awhile I would find a trilo head or tail but nothing special. Then eventually I found what appears to be a disarticulated Dipluera, though it might be whole and is mostly under the surface of the matrix. A little while later I find a roller which I believe is complete. Then I lift up a slab and find Dipluera cephalon and part of the thorax stuck to the bottom upside down. I looked down and saw the negative which was complete but the rest of the trilo had fallen off disintegrated. Oh what a Heartbreaker! But I kept going and then I found another roller that is whole except for a portion of the tail came off. Then I found a thorax and pygidium and I am not sure if the cephalon it buried in the matrix or not. Shortly after that I found a negative of a different Dipluera thorax and pygidium, but no matter how much I searched I couldn't find the positive. Also in the mix is a complete Greenops and a partial. I found a huge bivalve, probably the biggest that I have ever seen. I will have to post it in the id section when I get a chance. I should mention that all of the Dipluera's are small and they all need to be prepped, including the Greenops. But what a day! I definitely left there satisfied. Without further adoo here are pics for your viewing pleasure!
  5. Super folks and fossils! I had a decent trip to Penn Dixie with the experts recently and thought I would share a few finds. The first is the lower third of a crinoid calyx. I measures 4 cm and has an intact stem attachment segment. Aside from stems, its the first decent crinoid part I have found since 2015. I am fascinated by the geometry of the echinoderm organization- 6 around the stem, them 12 around the next whirl, makes we wish I had the entire calyx.
  6. Today I was fortunate enough to get back out on another fossilhunt. Even though I went to bed later then I wanted about 3:50 am I woke up and tossed and turned for the next hour. I was very excited to get back to the site after last week's fun. So I ended up leaving a bit earlier than originally planned. I stopped to get myself a breakfast sandwich and when I got back in my car, a feeling washed over me that today I was going to be lucky. Of course I feel that way everytime I go hunting, but it doesn't always happen. The ride was dark and foggy. This time of year you really have to pay attention to the deer population. We have many in New York and it is now hunting season. So they are very active between sunset till sunrise. Surprisingly I didn't see many on the way there, but just missed a small one that ran in front of my car on the way home. I arrived at 7 am as it was just starting to get light. But between the fog and clouds it was rather gloomy. It started sprinkling but I read the weather report so I was prepared. I was glad to find the area just the way I left it last week. I wanted to work the same spot, but just go deeper. Things started off kind of slow. With the exception of a decent Dipluera cephalon all I was finding was many of the common smaller Brachiopods and Bivalves. But then it happened! I was lifting up a rather big slab, when I flipped over had half of the negative from a Dipluera. The positive was under a bunch of muddy water due to the rain, so I couldn't even see it. It took me awhile to get the water to drain so I could see what I was working with. Once the water was gone I see the back end of the trilo. I could tell that the front half was still attached to the piece I pulled of the top. Even though it was broke I was excited. I figured if I could get both halves, the trilo could be glued back and prepped. Unfortunately when I tried to remove the bottom portion the trilo broke into a bunch of pieces. I tried to not let this ruin my day. I have done this long enough to know that when you find a decent Dipluera there are usually others close by. So I continued working on removing slabs. I don't think more the 10 -15 minutes went by maybe 3 or 4 pieces of rock, when it happened again! I lifted up a slab, flipped it over and there was a complete negative of a Dipluera! I looked down and in the back corner of where I was digging was the positive! My heart was pounding! Now if I could just remove it without it falling apart like the first one. And I needed to move quick before the rainwater started to accumulate to much around the trilo. After a few minutes of careful extraction: success! I came out unbroken! This really meant alot to me today. Most of those who know me know that I have found alot of these over the years. I have either sold, traded, or given away as gifts all that I found. So it is nice to be able to have one in my collection again. After I pulled out this Dipluera there was also a Greenops laying in the same general area. After removing that I was pretty satisfied and only stayed a little while longer. I was tired and the rain was starting to really soak through my clothes. So all in all I had a pretty good day. Here are some pics. 1st- what it looked like when I arrived. 2nd- my truck "The Fossil Mobile" 3rd- Dipluera in-situ
  7. Last year, while looking around a quarry in Upstate NY (Middle Devonian, Moscow fm), I stumbled across a trilo-bit I have had trouble placing. It’s some kind of phacopid, but not an Eldredgeops, and it just doesn’t feel like a Greenops. Found at a site with associated Dipleura dekayi, Greenops, Eldredgeops, Tornoceras, orthocerid nautiloids. The first photo is the mystery bug in question, followed by a Greenops and an Eldredgeops from the same site for easy side-by-side comparison. The final picture is a close visual analogue I’ve found online, though it is Moroccan and I am unsure of the location of origin.
  8. 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
  9. Thomas1982

    Greenops boothi

    From the album: Mahantango Formation

    Greenops boothi (enrolled) Schuylkill County, Pennsylvania
  10. A.C.

    Greenops Prep

    Hey all. Was messing with a Greenops I had found a while back. My question is do you all think it’s worth it to prep out more or should I just call it on this guy. Pretty sure it’s just a molt. I am only working with hand tools (dremmel, chisel, needle) If this was my only specimen I would be happy to continue but I have other nicer ones already free from matrix. @NoahW24 I remember you prepped a pretty sweet greenops.
  11. Bringing Fossils to Life

    My first trip to Penn Dixie

    I recently went to Penn Dixie for the first time and was not disappointed. Our tour guide first showed us the youngest rocks, then the pyrite. Here I found a tiny juvenile Tornoceras, Bactrites, and out guide showed us that individual septum can be found (see this post). I also found a fragment of a non-pyritized tiny Eldredgeops thorax. I found what HynerpetonHunter says is worm coprolites, and a few tiny brachiopods. Then, we went to the place where phosphate can be found. After that, we stayed a little at the place where fossils from the oldest layer were deposited in the soil, and I found a Naticonema gastropod, among the rarest fossils at the site! There were lots of brachiopods, crinoids, and rugose corals here. We then found some more corals, brachiopods, and trilobites at the most recent Dig with the Experts piles that were turned up for collecting. We walked towards the stream and on the other side found many bryozoans and coral (this time Favosites). I dropped my bucket of fossils but was able to find most of its contents again. We went to a place nicknamed "Crinoid Heaven", because of the sheer amount of crinoid columnals that can be found there. after that, we went to the original Dig with the Experts that was unearthed in 1993 (there wasn't much). After this, we went to where some trilobites are, but not as much as the recent Dig with the Experts site, so we went back. By this time our tour was over and we simply filled bucket after bucket of fossils. I found some Bellacartwrightia, Greenops, too many corals, and many, many Eldredgeops. I agree with Clary and Wandersee's (2011) rating of Penn Dixie as the top fossil park in the U.S. Below are some pictures of some of my favorite finds. First, some Eldredgeops. I prepped the top right cephalon with some dental tools. These can be found abundantly, but here are some of my best. ======================================= Some Bellacartwrightia. These are uncommon Asteropygines that are sometimes confused with Greenops. To prove that this cephalon belongs to Bellacartwrightia, look at its cephalon posterior border furrow - it continues down the genal spine, while it ends at the base of Greenops's. Directly above it is a juvenile's pygidium. Some more Bellacartwrightia pygidiums - on the same rock but on different sides. =================================================== A Greenops cephalon - the cephalon posterior border furrow ends at the base of the genal spine and does not deflect backwards. An enrolled Greenops in the matrix. Since Asteropygines have such this cuticles, I am going to wait to prep this one. Note: the scale bar is equivalent to 2 mm, not 1. ============================================= Now for the Gastropod! This is Naticonema, dorsal and ventral. ============================================ Mucrospirifer. ======================================= Placoderm bone? I am not that good with bones and any help would be appreciated on this one. I know more of these have been turning up lately, or at least being recognized. Penn Dixie was certainly worth the long drive and I very highly recommend it!
  12. Nautiloid

    Nice articulated Greenops

    From the album: Nautiloid’s Trilobite Collection

    This one should look really nice once prepped! Collected on 5/13/2022 in Central New York Probably from the Moscow Formation Hamilton Group, Middle Devonian

    © Owen Yonkin 2022

  13. Nautiloid

    Large partial Greenops

    From the album: Nautiloid’s Trilobite Collection

    Collected on 5/13/2022 in Central New York Probably Moscow Formation Hamilton Group, Middle Devonian

    © Owen Yonkin 2022

  14. Nautiloid

    Decent Greenops trilobite

    From the album: Nautiloid’s Trilobite Collection

    Collected on 5/13/2022 in Central New York Probably from the Moscow Formation Hamilton Group, Middle Devonian

    © Owen Yonkin 2022

  15. Thomas1982

    Greenops molt

    From the album: Mahantango Formation

    Greenops molt Schuylkill county, Pennsylvania
  16. KompsFossilsNMinerals

    DSR Trip Part II

    Hello again everyone, sorry for the delay between Part 1 and Part 2. I went through some more material from DSR and I've made some pretty awesome finds. I might have enough specimens for a Part 3, but I still have to go through more material. The same goes for the Penn Dixie part, I've barely touched it yet and still need to photograph the finds. To kick Part 2 off, here is my best DSR find yet! A nearly complete (unfortunately disarticulated) Echinocaris punctata!!! My kitten Indy for scale The Echinocaris has one of the spikes on its tail visible, and both valves are present. Another Phyllocarid, a Rhinocaris columbina! The reverse side shows another half, possibly from the same Rhinocaris? This cute little cephalon is one of my first Eldredgeops finds at DSR. Here's the Dipleura heads I've found so far (excluding the one from the previous trip report), This one is one of the largest I've found yet, it's 3 inches wide! This cephalon was a real heartbreaker. The other half of it was stuck under 1 1/2 - 2 feet of overburden This one is upside down I think this is a juvenile Dipleura cephalon, but I'm not 100% sure. I'll have to clean it up to be sure. Now onto the misc finds This is one of the largest Goniatites(?) I've found here, it popped out of the matrix on the way home but it should be able to be glued back. I feel like the cone shaped fossil in the center of the piece might be a Hyolith, but I don't know for sure. A lone crinoid stem, it'd be cool to see what it looks like when prepped. Not sure what kind of fossil this is, possibly a devonian putty scraper? Here's some Brachs and Bivalves from DSR, I'm not 100% sure on the ID's so if I'm wrong please correct me on it. Goniophora chemungensis? Paraspirifer acuminatus? Mucrospirifer consobrinus? Big jumble of brachs (maybe some Bivalves too?), cool golden sheen on it. I don't think it's pyritization. Assorted brachs Devonochetes coronatus? This is on the back of the possible Hyolith piece shown above. M. mucronatus? Large brachiopod and bivalve hash plate Probably the biggest Bivalve I've ever seen, let alone found. ID unknown Orthonota undulata
  17. 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.
  18. Nautiloid

    Prone Greenops sp.

    From the album: Nautiloid’s Trilobite Collection

    Greenops sp. Middle Devonian Hamilton Group Upper Ludlowville Formation? Madison County, NY

    © Owen Yonkin 2021

  19. I took a half dozen trips out to Schuylkill County this summer with the kids. We looked through Mohantango and Llewellyn rocks at various locations. These are some of my personal favorites:
  20. FossilMo

    First Greenops Prep

    I've recently attempted to start preparing the fossils I collected in upstate NY. With a lot of trial and error and some nicked specimens, I have started to get used to my primitive preparation set-up consisting of a nail, a sewing needle and a hammer. Here's a disarticulated greenops which was great practice: On a side note, I've noticed that freshly exposed shell is a nice black. Would anyone know how to get that back?
  21. Nautiloid

    Little Greenops pygidium

    From the album: Middle Devonian in Central New York

    Greenops sp. Middle Devonian Hamilton Group Upper Ludlowville Formation Brookfield, New York Collected 7/18/20
  22. Nautiloid

    Another tiny greenops pygidium

    From the album: Middle Devonian in Central New York

    Greenops sp. Middle Devonian Hamilton Group Upper Ludlowville Formation Brookfield, New York Collected 7/18/20

    © Owen Yonkin 2020

  23. Nautiloid

    Tiny headless greenops from DSR

    From the album: Middle Devonian in Central New York

    Greenops sp. Middle Devonian Hamilton Group Moscow Formation Windom Shale Deep Springs Road Lebanon, New York Collected 7/18/20
  24. Nautiloid

    Greenops cephalon imprint

    From the album: Middle Devonian in Central New York

    Greenops sp. Middle Devonian Hamilton Group Upper Ludlowville Formation Brookfield, NY Collected 7/18/20
  25. Nautiloid

    Very tiny greenops pygidium

    From the album: Middle Devonian in Central New York

    Greenops sp. Middle Devonian Hamilton Group Upper Ludlowville Formation Brookfield, New York Collected 7/18/20
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