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  1. Tidgy's Dad

    Adam's Cambrian

    A rangeomorph holdfast trace fossil from the Ediacara formation, Rawnsley quartzite of the Flinders Range, South Australia. This specimen is Medusina mawsoni, so called because it was until recently thought to be a jellyfish, but is now believed to be the attachment point of a fractal rangeomorph as Charniodiscus is the point of anchorage for Charnia sp. This one may have been the holdfast point for some species of Rangea. The diameter of the outer circle is 1.5 cm and the fossil is estimated to be 555 million years old.
  2. Hiya everyone my sister got me this trilobite as a gift was wondering if it’s had any restoration to it
  3. Kane

    Kane's Bug Preps

    UPDATE: Consolidated all my loose preparation threads into one topic. Four hours so far into this big bug, and maybe another two to go. Found at Penn Dixie this past weekend, the visible area measures 6 cm. With the pygidium, it likely measured about 8+ cm. Judging by its size and pustular sculpture, this was likely a long-lived specimen prior to burial. This is how it looked fresh in the field:
  4. Misha

    Ordovician fossils in PA

    Hi everyone, I recently remembered the location of swatara Gap in Pennsylvania, I remember reading about it but the problem is that the site was covered up way before I was even in the United States, there is the swatara state park nearby but that has younger Devonian rocks of the mahantango. My question is are there any similar sites with Ordovician rocks anywhere in PA? I am especially interested in the Cryptolithus trilobites and if those can be found anywhere else around here as that would be a wonderful fossil to add to the collection and have the experience of uncovering.
  5. noahc0d

    What is this trilobite?

    I can't figure out a species, or really any classification for this one. It came from the Hungry Hollow member of the Widder Formation in southern Ontario. My first thought would be greenops widderensis, but it lacks genal spines (or places where they could have broken off), as well as defined "bumps" (idk the right term) present on specimens I find on the internet. I don't think they could have eroded away either, because there are fine details still present. I'm thinking maybe Phacops rana? I'm new to this so not really sure. An interesting note, the little bumps on the top
  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. Found what I am pretty sure is a trilobite hidden in this matrix, but am completely new to fossil prepping. Any advice on how to possibly remove the matrix? Thanks!
  8. Dimitar

    Trilobite head

    Please confirm if this is a trilobite head .
  9. Hi All, I found this specimen in northern Missouri many years ago around when I was eight - and recently rediscovered it while going through my childhood rock collection. The creek I found it in cuts through the Marmaton group. It's about 2 cm at it's widest (marks in mm). I guess my first question is if it's actually a trilobite pygidium and secondly if there's any chance of an identification with as much damage as it's received? 1: 2: 3: Thanks! - James
  10. hi, i am new to this forum. I bought these 2 trilobite fossils from a shop in los angeles. It was an antiques shop. I am just curious if someone can tell me if these ar genuine or fakes? thank you
  11. Yesterday my dad and I went to a local trout stream for a couple hours just to get out of the house. We did very well with the trout, I got 4 brookies and a brown and he got 7 brookies. On the way back to the car I noticed a small exposure along the side of the creek and took a few minutes to check it out. I immediately saw evidence of trilobites so I dug around some more and I found some nice stuff, including 3 new species for me. The rock is Middle Ordovician Trenton Group and It seems like the Sugar River Limestone. I will be putting photos on here throughout the day
  12. Nautiloid

    Thaleops cephalon

    From the album: Middle Ordovician Trenton Group in New York

    Nanillaenus americanus cephalon Middle Ordovician Trenton Group North-Central New York Collected 11/07/2020
  13. Nautiloid

    Erratencrinurus vigilans cephalon

    From the album: Middle Ordovician Trenton Group in New York

    Erratencrinurus vigilans from the Middle Ordovician Trenton Group, Sugar River Fm.? Saratoga County, New York Collected 4/25/2021

    © Owen Yonkin 2021

  14. From the album: Middle Ordovician Trenton Group in New York

    © Owen Yonkin 2021

  15. Mudlark

    Any idea? Ordovician?

    Hi. We found this amongst the mortality plates. It is an ordovician exposure along the water in Green Bay Wisconsin. Can anyone help us Id?
  16. drsobes

    Trilobite vs other?

    Hello, I'm a new member and would appreciate some help ID'ing the following imprint, found along the Credit River in Mississauga, Ontario. Thank you!
  17. elcoincoin

    latest trilo preps

    Hi there, Latest preps : trilobites from Brittany ordovician. The Neseuretus was collected in décember, kinda last hunts we could manage before more lockdown, i didnt think it would turn out that nice. The second one, was waiting on the shelf for quite a while, despite it only needed a small preparation and is a positive and negative Eodalmanitina sp.
  18. Mudlark

    Which Trilobite am I?

    Found this in a creek bed in Green Bay Wisconsin. I'm wondering if anyone can tell me which trilobite it is. Additionally why is there a brown spot?
  19. During my last visit at Bødalen, I found my second trilobite at the location, similar to the first one presented at this forum, mid-Ordovician and probable in the Ptero elegans zone. In the same stone there is also several puzzling forms, among them circular patterns. Anyone have an idea what these are? The length of the bigger oval or circular pattern is about 4-5 cm, that is the longer side.
  20. daves64

    Elrathia kingii?

    I recently purchased a 40lb box of shale from U-Dig Fossils in Utah. Mid-Cambrian, Wheeler Shale Formation, House Range, Millard County, Utah. This morning after work, I split a smallish piece & one side had an odd dent, the other had an indistinct, slightly raised shape that sort of looked like a trilobite, so I started trying to find out if it was. This was the result. Using dental picks, a needle in a small pin vice, a # 428 Dremel wire brush (by hand) & another small, round nylon brush (Dremel) in another pic vice... and lots of patience. I think it's most of an Elrathia Kingii min
  21. KompsFossilsNMinerals

    Is this a trilobite head?

    Found this near Utica, is it a trilobite head? The area has tons of triarthrus heads and nautiloids, but nothing as big as this. Unfortunately this is the best photo I can get at the moment as I stupidly misplaced the possible head. Also included is a fossilized sea shell, if anyone knows what species it belongs to that'd be great.
  22. Hoya everyone I recently purchased this spiny trilobite from morroco and was wanting some help on its authenticity many thanks
  23. Found this online, something about it seems off. If anyone could help me find out if it's fake I'd appreciate it.
  24. Crankyjob21


    From the album: Cranky’s album of fossils

    Unknown phacopid trilobite of the Ordovician and of Morocco
  25. Crankyjob21


    From the album: Cranky’s album of fossils

    A trilobite belonging to the genus Reedops, and was found in the Lhandar formation, in Atchana, Morocco. Also it is dated to the pragian stage of the lower Devonian.
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