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Found 39 results

  1. Identifying trilobites for a friend

    A friend found a few small tubs of fossils that she hadn't seen in years until she started moving stuff around last week for a possible move. She asked me if I could come over and look at what she found. Most of the specimens don't have a label but some of it is obvious to anyone who's been to shows and had friends who collect fossils as well. I don't specialize in invertebrates or plants but I know an Elrathia from Utah, a Lovenia from Australia, and a Metasequoia from British Columbia when I see them because I have a few of each myself. She has some trilobites that are out of my wheelhouse so I thought I would ask the forum for identifications. The one below is from Morocco and apparently a Devonian form related to Phacops. I forgot to note the dimensions or ask for the photos to have a ruler included but the specimen is about an inch and a half (approx 4cm) as I recall. The second one is also from Morocco. I think that plate has two of the same (Cambrian and related to Paradoxides). The third is also from Morocco and Devonian, I think. Thanks for any info that can be provided especially if you have an idea of the general locality. I have a few more photos to post but have to go now. Jess
  2. This 3" specimen was collected out of the Mazon Creek itself, near the Benson Farm. It was collected around 1998 and filed as Problematica. We are finally starting to identify these specimens. It is our specimen number S00051. At first, we thought it might be a shrimp similar to Kellibrooksia Macrogaster, but there isn't much evidence of the proper segmentation, and no legs.
  3. Phyllocarid Collection

    My phyllocarid collection to date. Includes Echinocaris sp. and Rhinocaris sp.
  4. Another fine find from Sacha's Merritt Island Micro Matrix. I'm thinking this is modern, and it has a crustacean vibe to it. Any clue as to what this might be? @old bones @MarcoSr
  5. Pseudogygites pygidium

    From the album Billings Shale

    A P. latimarginatus pygidium from the Billings formation near St. Laurent, Ottawa.
  6. Pseudogygites pygidium

    From the album Billings Shale

    A partially pyritized P. latimarginatus pygidium from the Billings formation near St. Laurent, Ottawa.
  7. This is a drawing I made a couple weeks ago. It is Euproops danae, a Pennsylvanian Horseshoe crab from the Mazon Creek (proper). My nodule is 100% complete with no restorations. Being a Mazon specimen, it comes from the Francis Energy Shale and is about 300 million years old. This drawing was done on textured paper with 2B and 4B pencils.
  8. Shrimp or dragonfly?

    Greetings, all! I’m new here, but very appreciative already for this forum. I’m an amateur fossil hunter, collector and paleoartist, and I recently decided to organize and catalogue all of my fossils, which will take a very, very long time. Hence I’ll likely be posting quite a bit in this section... so here’s my first conundrum: It’s from Mazon Creek, Illinois. It looks like a shrimp, as I have a few to compare it with, but certain features of the rock give the impression of wings, so I start to see a dragonfly-esque shape. Any thoughts? Thanks!
  9. I got this when I was a little kid (~20 yrs ago) in a grab bag of rocks and fossils at a local museum's gift shop. Could've come from anywhere. As a kid I thought it was a fossil beetle pupa in petrified wood and cherished it. Now I'm a lot less sure. Completely clueless in fact. Can anyone narrow it down from my current knowledge of "a thingy inside a lump of stuff"? Thanks all. Been wondering about this one for years, and finally showed it to somebody who told me about this forum. -Jake
  10. Cambrian arthropod?

    Need help to identify this, it could be rare, but not sure. If not a naroiid, or soft bodied trilobite, than what could this be? Found at Little Hollow Formation...Cambrian, Nova Scotia. It is extremely small, barely visible to the naked eye. Tip of ball point pen for scale. I have magnified it with a digital microscope, 250x magnification. Has anyone ever seen this in their research or studies of fossils?
  11. Looks like a giant isopod?

    Hi all, Was recently on a short break to Rottnest Island in Western Australia and found a bunch of these in the rocks near the beach on the east coast of the island. I thought they looked like giant isopods but have no idea when they are from or if I am remotely close? Any suggestions? Ta Dan
  12. Body segment?

    Found at Hungry Hollow in Devonian-era clay. Seems iron-rich, so it is possibly man-made. Is it a segmented body part? Both sides depicted, with end views
  13. shrimp

    From the album Mazon creek assortment

  14. true or false?

    in German: Write-protected,so no outtakes! Acanthopyge,Selenopeltis,Acadoparadoxides,Cambropallas St. Petersburg trilobites seem to be subject to this blight as well Nice example: Dysplanus glued to an earlier Aseri-stage matrix!.Why?That matrix looked better,thus enabling the dealer to up the price! other: Paralejurus without terrace lines Tutorial_zum_ErkeTrilfakehungen.pdf
  15. Crustacean

    Found this little critter in a river bed in Grapevine Texas
  16. Help with identifying trilobite

    I have been told that this is the pygidium of a trilobite. If anyone is able to determine what species it is and when it lived, I would be extremely thankful! The fossil was found on the east coast of Sweden.
  17. These are a few of the pdf files (and a few Microsoft Word documents) that I've accumulated in my web browsing. MOST of these are hyperlinked to their source. If you want one that is not hyperlinked or if the link isn't working, e-mail me at joegallo1954@gmail.com and I'll be happy to send it to you . Please note that this list will be updated continuously as I find more available resources. All of these files are freely available on the Internet so there should be no copyright issues. Articles with author names in RED are new additions since April 6, 2018. Phylum Arthopoda Class Marrellomorpha Haug, J.T., et al. (2013). A Marrella-like arthropod from the Cambrian of Australia: A new link between "Orsten"-type and Burgess Shale assemblages. Acta Palaeontologica Polonica, 58(3). Order Acercostraca Legg, D.A. (2015). The morphology and affinities of Skania fragilis (Arthropoda) from the middle Cambrian Burgess Shale. Bulletin of Geosciences, 90(3). Lin, J.-P. (2003). Systematics and Taphonomy of Naraoia and Skania (Arthropoda) from Guizhou, China, and Western North America. Masters Thesis - The Ohio State University. Lin, J.-P., et al. (2006). A Parvancorina-like arthropod from the Cambrian of South China. Historical Biology, 18(1). Siveter, D.J., et al. (2007). A Silurian 'marrellomorph' arthropod. Proc.R.Soc. B, 274. Order Marrellida Aris, M.J., et al. (2017). A new marrellomorph euarthropod from the Early Ordovician of Argentina. Acta Palaeontologica Polonica, 62(1). Garcia-Bellido, D.C. and D.H. Collins (2006). A new study of Marrella splendens (Arthropoda, Marellomorpha) from the Middle Cambrian Burgess Shale, British Columbia, Canada. Can.J. Earth Sci., 43. Garcia-Bellido, D.C. and D.H. Collins (2004). Moulting arthropod caught in the act. Nature (Brief Communications), Vol.429. Legg, D.A. (2016). A new marrellid arthropod from the Ordovician of Wales. Acta Paleontologica Polonica, 61(3). Liu, Q. (2013). The First Discovery of Marrella (Arthropoda, Marrellomorpha) from the Balang Formation (Cambrian Series 2) in Hunan, China. Journal of Paleontology, 87(3). Rak, S., J. Ortega-Hernandez and D.A.Legg (2013). A revision of the Late Ordovician marellomorph arthropod Furca bohemica from Czech Republic. Acta Palaeontologica Polonica, 58(3). (Thanks to piranha for finding this one!) Zhou, Y., et al. (2003). The occurrence of the genus Marrella (Trilobitoidea) in Asia. Progress in Natural Science, Vol.13, Number 9. General Marrellomorpha Jones, W.T., et al. The First Post-Cambrian Marrellomorph Arthropod from North America. (Poster) Legg, D. (2016). Fossil Focus: Marrellomorph arthropods. Palaeontology Online, Vol.6, Article 5.
  18. Fuxianhuia protensa

    From the album Finest Chengjiang

    A wonder specimen with eyes preserved. Follow me on eBay: www.ebay.com/usr/marcray154
  19. Leanchoilia illecebrosa

    From the album Finest Chengjiang

    This is the only Leanchoilia I've ever seen with an appendage preserved! Quite a rarity. Follow me on eBay: www.ebay.com/usr/marcray154
  20. Naraoia spinosa

    From the album Finest Chengjiang

    A complete specimen of an iconic Chengjiang species. Details of limb imprints and digestive diverticula can be seen. Follow me on eBay: www.ebay.com/usr/marcray154
  21. Ancient arthropod with gnarly claws discovered in Burgess Shale Calgary Sun - ‎April 26, 2017‎ http://www.calgarysun.com/2017/04/26/ancient-anthropod-with-gnarly-claws-discovered-in-burgess-shale Paleontologists identify new 507-million-year-old sea creature with can opener-like pincers, University of Toronto, April 26, 2017‎ https://www.utoronto.ca/news/ouch-u-t-paleontologists-identify-508-million-year-old-sea-creature-can-opener-pincers https://www.sciencedaily.com/releases/2017/04/170426131024.htm This 508-million-year-old sea predator had a remarkable mouth Washington Post - ‎April 26, 2017‎ https://www.washingtonpost.com/news/speaking-of-science/wp/2017/04/26/this-508-million-year-old-sea-predator-had-a-remarkable-mouth/?utm_term=.770085e2838c The paper is: Aria, C., and J.-B. Caron, 2017, Burgess Shale fossils illustrate the origin of the mandibulate body plan. Nature (2017) doi:10.1038/nature22080 https://www.nature.com/nature/journal/vaop/ncurrent/full/nature22080.html Yours, Paul H.

    Hi everybody. It's been awhile. The last couple of years have seen my attention directed to areas other than old dead things. I need help with an ID. Found this locally, not far from the Silurian black shales that Reudeman discovered his Eurypterids in. I'm not sure of the geology as there have not been any geological surveys of this area. A couple of paleontologists seem to think it's Ordovician. I asked a number of paleontologists at the Paleontological Research Institute an the Museum of Natural History if this was organic or just a geologic anomaly. They weren't sure. I just feel that it looks "on purpose". Now you lucky dogs get a crack at it. Thanks. Tom
  23. trilobite exuviation

    HBW on this one,N.B:link won't be here forever http://rstb.royalsocietypublishing.org/content/royptb/329/1252/27.full.pdf