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  1. Ceraurus glabella found in the Liberty Formation at the famous St. Leon, Indiana roadcut. Dimensions tested with digital caliper. The glabellar lobes present with individual, star-shaped protrusion assemblages on them that are not documented in my available literature. Perhaps someone more experienced can provide species-level identification? Photo has increased contrast for clarity.
  2. With the 3 day weekend, I was finally able to get out for a fossil hunt! I was located mostly around Utica NY. Day 1: I started at the bottom of the ocean with a benthic Triarthus site near Little Falls. After some literally prickly encounters getting down to the river, I pulled the thorns out of myself and had a beautiful little spot! Naturally the in-tact shale was on the opposite bank, so I had a nice cool wade on a hot summers day and thoroughly soaked my boots. The voyage was well worthwhile I’ve never worked with shale this clean before. One piece was 3x3 feet, and with the sli
  3. I had a great day last October breaking rock with @Scylla in upstate NY. Didn’t find much in the way of trilobites but took a few chunks of rock home. Breaking one rock, I found these fragments of a Triarthrus. This July, armed with my new Zoic trilobite scribe, I began to work on the five pieces that seemed to contain the bug.
  4. Tidgy's Dad

    Adam's Early / Lower Devonian

    The Devonian period is known as "The Age of Fish", but could also be known as "The Age of Brachiopods." In the Early / Lower Devonian, brachiopods reached the height of their diversity towards its end in the Emsian. We see the ancestral groups occurring, lingulids, craniids, orthids, protorthids, pentamerids, rhynchonellids and strophomenids, as well as the later successful groups we have seen before such as atrypids, athyrids and orthotetids, plus the rise of spiriferids, spiriferinids and productids and the beginning of the terebratulids. By the end of the Devonian , several of these g
  5. Hey all. I just wanted to pick everyone’s brain and see everyone’s opinion on what trilobite they believe is necessary for a collection. I think it is safe to say all collections both beginner and advanced should have at least one Utah Elrathia kingii. While super common and pretty inexpensive in terms of trilobites they are one of the classic images when someone thinks trilobite and so for that reason I believe they are a perfect specimen for any collection.
  6. Top Trilo

    Top Trilo’s drawings

    Decided I would make a thread with my drawings, recently I decided to draw trilobites that are not necessarily proportional and I didn’t spend too much time on these just wanted them to be life size and recognizable, so far I have 19, I took ideas from @Kane trilobite drawings and @rew trilobite collection. I will add to this thread as I draw more fossils not only trilobites. You may not be able to read the labels partly from camera quality and mostly from my handwriting.
  7. Hi everyone this is matt again today in the creek I found this cool trilobite here is a few photos
  8. I've started a gallery of trilobites of Laurentia that are in my collection. Most are from Ontario and Quebec, Canada. I'll also start a gallery of echinoderms from the same units.
  9. Nautiloid

    Lemureops kilbeyi

    From the album: Nautiloid’s Trilobite Collection

    This gorgeous little bug comes from the Lower Ordovician Fillmore Formation in the Southern House Range of Utah. Definitely one of the coolest bugs in my collection! This was purchased from a good friend of mine.

    © Owen Yonkin 2022

  10. Nautiloid

    Cedaria minor

    From the album: Nautiloid’s Trilobite Collection

    This cute little bug is from the Middle Cambrian Weeks Formation of Millard County, Utah. Purchased from a good friend.

    © Owen Yonkin 2022

  11. Nautiloid

    Pseudodechenella rowi

    From the album: Nautiloid’s Trilobite Collection

    Although a little warped, this is still an awesome example of one of my favorite New York trilobites! This bug comes from the Middle Devonian Centerfield Limestone of Western New York, and was purchased from a good friend of mine.

    © Owen Yonkin 2022

  12. Nautiloid

    Small McKay Group bug

    From the album: Nautiloid’s Trilobite Collection

    This is most likely a species in the genus Orygmaspis. From the Upper Cambrian McKay Group of Cranbrook, British Columbia. Acquired from an old collection.

    © Owen Yonkin 2022

  13. I went up to Georgian Bay Ontario today to a beach with chunks of Ordovician shale in the hopes of finding a conulariid. Unfortunately it's late in the season and the shale you usually find in early spring is mostly gone by this point. So there were a few small finds here and there, but not much to write home about. I don't know if anyone can see anything in these rocks I missed. Not great pics, I know. Pseudogygites latimarginatus pygidium Some crinoids And finally some Treptoceras nautiloids I think?
  14. Ceraurus

    Isotelus death pool

    From the album: Mark Bourrie trilobites

    Isotelus cf iowensis, Ordovician (Kirkfieldian), Ottawa, Ontario, Canada. Donated to the Royal Ontario Museum and displayed in its Dawn of Life Gallery.
  15. Ceraurus

    Anataphrus sinclairi

    From the album: Mark Bourrie trilobites

    Anataphrus sinclairi, Ordovician (Blackriverian), Simcoe County, Ontario, Canada
  16. Ceraurus

    Gabriceraurus preserved laterally

    From the album: Mark Bourrie trilobites

    Gabriceraurus dentatus, Ordovician (Kirkfieldian) on a slab with 15 Flexicalymenes and some crinoid.
  17. Ceraurus

    Large Flexicalymene

    From the album: Mark Bourrie trilobites

    Flexicalymene cf cronesi, upper Ordovician, Northumberland County, Ontario, Canada
  18. Over the weekend I took a quick two day scouting trip up into the Ordovician of Iowa and Minnesota. One of the around dozen sites I visited was a roadcut in Winneshiek County, Iowa in the Galena Group, probably Dunleith Formation. I was in a bit of a rush and only collected here for 20 minutes or so, but it seems like a very productive site that I will certainly visit again. A three-dimensional graptolite (Diplograptus?) Liospira sp. I picked this piece up for the nice cephalon (Calyptaulax I think), and was pleasantly surprised to find at least
  19. A weekend trip lead to my wife asking me to pick out a trilobite fossil as a gift. I looked as close as I could in the somewhat dimly lit building and found one I liked and was fairly sure it was real at the time. Even the tag started it was authentic. While doing research about metacanthina issoumourensis I noticed online prices and the price she paid for it were vastly different. Red flags went off and I started looking the item over closely. I know in my heart of hearts it has to be a fake. However I'm still a novice at best and I could very well be wrong. I'm hoping I'm wrong.
  20. connorology

    Another Unknown Trilobite ID Request

    Good Afternoon, This specimen was left to me by my late grandfather. I do not know where it was obtained, though he lived in Minneapolis so it may have been from a nearby state. It appears to be a real fossil (I don't know what anyone would make a fake one that small) but I suppose I really don't know for sure. Any suggestions are appreciated. Thanks, Connor
  21. Fossil finder 100

    What are these fossils?

    Today I have some fossils and would like some help identifying them. Thanks ahead of time! The first one is from Florida and I think it’s just a piece of bone but don’t know. The second is also from Florida. The trilobite I got from creed Colorado but suspect it might be from somewhere else. I know the condition of the trilobite and the lack of location will make it hard to identify but thanks for any feedback!
  22. Ceraurus

    Pseudogygites latimarginatus

    From the album: Mark Bourrie trilobites

    Pesudogygites latimarginatus, Ordovician (Utican), Grey County, Ontario, Canada
  23. Ceraurus

    Ceraurus trilobite with healed injury

    From the album: Mark Bourrie trilobites

    Ceraurus trilobite with healed injury, Notice the less-than-than perfect genal spine repair. Ordovician (Kirkfieldian), Hastings County, Ontario
  24. 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.
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