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Found 26 results

  1. Do fossils bend?

    Ive seen a couple "fossils" recently, that have a feature that makes me wonder if they're authentic. Especially because the fossil on one looks more like it's been just stained on the rock surface, than having any actual impression. My question on here though, is if fossils can continue over creases on a rock, that appear to be a break in the level/time (the crooked line going along the underside of the apparent appendage). It's not an actual clear separate level, so I know a fossil could lay across an inconsistency on the original surface, but this one looks more like a break, so I'm wondering if this angle is possible.
  2. Some marine non-whales

    Three models, three very different animals, three methods: Anomalocaris, sculpted in fimo according to fossil drawings, 6 cm long Hesperornis, digitally distorted from a recent bird skeleton and Tyrannosaurus skull, 3d printed, 9cm long. Hydrodamalis, skull digitally distorted from a dog skull, postcranial plywood and putty like my whales, 38 cm. Aloha J
  3. Anomalocaridid Fossils?

    Anyone here have any Anomalocarididae fossils? I do realize that if anyone did they most likely wouldn't be on this site but just wanted to know. I also realize that they are extremely rare but that I've seen things on here comparable when speaking about rarity. (Kinzers Formation PA has confirmed - anomalocaris pennsylvanica.) Thanks;
  4. Cambrian Fossil Hunting

    Hello! I am a new user on this site and I have a few questions that I can't seem to find anywhere else online, I thought there would be no one better to ask than more fossil hunters like myself. For nearly a decade now I have been in love with the sheer idea of fossils and the animals contained inside of them, but instead of the cliché 'Fossils = Dinosaurs' thing, I have always found interest in the Cambrian Period and have loved it since I started researching trilobites. My life goal basically was to research the Cambrian Period at the famous Burgess Shale, but to my knowledge it is illegal to go to (without being on a tour) and collect fossils from. And that basically shattered my childhood dream. The thing is though, everywhere I look I can't seem to find anything on why it is illegal, the only thing I could find was an article about if it was opened to the public it would drain the fossils much quicker than natural weathering. Which is understandable, but expeditions by permitted paleontologists also seems to be out of the question too. Is there any possible way to research fossils at the Burgess Shale? I am willing to do anything when it comes to permits to be able to dig there: may be with a University, museum, etc. As stated before, I am extremely interested in life of the Cambrian Period and am considering it as either a profession or a very dedicated hobby. But the problem is that I live in Central West Virginia, where there are absolutely ZERO fossils, and that makes it difficult for me to do anything with the Cambrian whenever my geological time-period is Devonian-Permian. Thanks for any input! PS: Although it seems quite impossible now, my life goal in fossil digging is to find an Anomalocaris fossil. Thanks Again!
  5. 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 Arthropoda(?) Class(?) Dinocaridida (May belong with Lobopodians) Order Radiodonta Family Anomalocarididae Briggs, D.E.G. (1979). Anomalocaris, The Largest Known Cambrian Arthropod. Palaeontology, Vol.22, Part 3. Briggs, D.E.G. and R.A. Robison (1984). Exceptionally Preserved Nontrilobite Arthropods and Anomalocaris from the Middle Cambrian of Utah. The University of Kansas Paleontological Contributions, Paper 111. Cong, P., et al. (2016). Morphology of the radiodontan Lyrarapax from the early Cambrian Chengjiang biota. Journal of Paleontology, 90(4). (Thanks to doushantuo for finding this one!) Cong, P., et al. (2014). Brain structure resolves the segmental affiity of anomalocaridid appendages. Nature, 513(7519). Daley, A.C. (2013). Anomalocaridids. Current Biology, Vol.23, Number 19. Daley, A.C. (2010). The morphology and evolutionary significance of the anomalocaridids. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technolgy, 714. Daley, A.C. and D.A. Legg (2015). A morphological and taxonomic appraisal of the oldest anomalocaridid from the Lower Cambrian of Poland. Geol.Mag., Rapid Communication. Daley, A.C. and G.D. Edgecombe (2014). Morphology of Anomalocaris canadensis from the Burgess Shale. Journal of Paleontology, 88(1). Daley, A.C. and J. Bergström (2012). The oral cone of Anomalocaris is not a classic "peytoia". Naturwissenschaften, 99. Daley, A.C. and G.E. Budd (2010). New Anomalocaridid Appendages from the Burgess Shale, Canada. Palaeontology, Vol.53, Part 4. Daley, A.C. and J.S. Peel (2010). A Possible Anomalocaridid from the Cambrian Sirius Passet Lagerstätte, North Greenland. J.Paleont., 84(2). Daley, A.C., et al. (2013). New Anatomical Information on Anomalocaris from the Cambrian Emu Bay Shale of South Australia and a Reassessment of its Inferred Predatory Habits. Palaeontology, 2013. Hou, X.G., J. Bergstrom and P. Ahlberg (1995). Anomalocaris and other large animals in the Lower Cambrian Chengjiang fauna of southwest China. GFF, Vol.179, Part 3. Lerosey-Aubril, R., et al. (2014). Arthropod appendages from the Weeks Formation Konservat-Lagerstätte: new occurrences of anomalocaridids in the Cambrian of Utah, USA. Bulletin of Geosciences, 89(2). Liu, Q. (2013). The first discovery of anomalocaridid appendages from the Balang Formation (Cambrian Series 2) in Hunan, China. Alcheringa, 37. Mayer, G., et al. (2014). Latest anomalocaridid affinities challenged. Nature, 516(7530). Oxman, K.L. (2014). Comparative analysis of a unique specimen of a new species of Anomalocaris from the Kinzers Formation of Lancaster County yields a reassessment of the feeding habits of the genus. Honors Thesis - Franklin & Marshall College. Paterson, J.R., et al. (2011). Acute vision in the giant Cambrian predator Anomalocaris and the origin of compound eyes. Nature, Vol. 480. Sheppard, K.A. (2017). On the Hydrodynamics of Anomalocaris Tail Fins. Masters Thesis - Queen's University, Kingston, Ontario, Canada. (112 pages) Usami, Y. (2006). Theoretical study on the body form and swimming pattern of Anomalocaris based on hydrodynamic simulation. Journal of Theoretical Biology, 238. Van Roy, P. and D.E.G. Briggs (2011). A giant Ordovician anomalodaridid. Nature, Vol.473. Van Roy, P., A.C. Daley and D.E.G. Briggs (2015). Anomalodaridid trunk limb homology revealed by a giant filter-feeder with paired flaps. Nature, Vol.000. Wang, Y.Y., D.-Y. Huang and S.-X. Hu (2013). New anomalodaridid frontal appendages from the Guanshan biota, eastern Yunnan. Chinese Science Bulletin, Vol.58, Number 32. Whiteaves, B.F. (1892). Description of a New Genus and Species of Phyllocarid Crustacea from the Middle Cambrian of Mount Stephen, B.C. The Canadian Record of Science, Vol.V, Number 4. Young, F.J. and J. Vinther (2017). Onychophoran-Like Myoanatomy of the Cambrian Gilled Lobopodian Pambdelurion whittingtoni. Palaeontology, Vol.60, Part 1. Family Hurdiidae Daley, A.C., G.E. Budd and J.-B. Caron (2013). Morphology and systematics of the anomalocaridid arthropod Hurdia from the Middle Cambrian of British Columbia and Utah. Journal of Systematic Paleontology, Vol.11, Issue 7. Daley, A.C., et al. (2009). The Burgess Shale Anomalocaridid Hurdia and Its Significance for Early Euarthropod Evolution. Science, Vol.323. Gamez-Vintaned, J.A. and A.Y. Zhuravlev (2018). Comment on "Aysheaia prolata from the Utah Wheeler Formation (Drumian, Cambrian) is a frontal appendate of the radiodontan Stanleycaris" by Stephen Pates, Allison C. Daley, and Javier Ortega-Hernandez. Acta Palaeontologica Polonica, 63(1). Pates, S., A.C. Daley and J. Ortega-Hernandez (2018). Reply to Comment on "Aysheaia prolata from the Utah Wheeler Formation (Drumian, Cambrian) is a frontal appendate of the radiodontan Stanleycaris" with the formal description of Stanleycaris. Acta Palaeontologica Polonica, 63(1). Pates, S., A.C. Daley and J. Ortega-Hernandez (2017). Aysheaia prolata from the Utah Wheeler Formation (Drumian, Cambrian) is a frontal appendage of the radiodontan Stanleycaris. Acta Palaeontologica Polonica, 62(3). Family incertae sedis Kühl, G., D.E.G. Briggs and J. Rust (2009). A Great-Appendage Arthropod with a Radial Mouth from the Lower Devonian Hunsrück Slate, Germany. Science, Vol.323. Family Opabiniidae Briggs, D.E.G. (2015). Extraordinary fossils reveal the nature of Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis , Middle Cambrian, Burgess Shale, British Columbia'. Phil.Trans.R.Soc. B, 370: 2140313. Budd, G.E. and A.C. Daley (2012). The lobes and lobopods of Opabinia regalis from the middle Cambrian Burgess Shale. Lethaia, Vol.45. Whittington, H.B. (1975). The Enigmatic Animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia. Philosophical Transactions of the Royal Society B, Vol.271. Zhang, X. and D.E.G. Briggs (2007). The nature and significance of the appendages of Opabinia from the Middle Cambrian Burgess Shale. Lethaia, 40. General Dinocaridids Hou, X. and J.B. Jan (2006). Dinocaridids: anomalous arthropods or arthropod-like worms? In: Origins, Radiations and Biodiversity Changes - evidences from the Chinese fossil record. Rong, J., et al. (eds.), Science Press, Beijing.
  6. Cool Anomalocaris art!

    This cool pic of an Anomalocaris canadensis arrived today in the mail! Done by a great Japanese paleo artist whos main love is Cambrian critters. I sent him a Chengjiang worm and Isoxys fossil as trade. I love this pic! In September I'm heading to Bali to visit my brother who runs a yoga school there. I'm going to get an Anomalocaris tattoed on my forearm and I'm thinking of using this image. Its very dynamic!
  7. From the album Anomalocaris and friends.

    A large grasping appendage of the Chinese Anomalocaridid, Amplectobelua symbrachiata. A cousin of the Anomalocaris. This grasper is a very large example at 89mm. From the Maotianshan Shales in Chengjiang. Lower Cambrian, ~525Ma.
  8. Anomalocaris saron

    From the album Anomalocaris and friends.

    A section of feeding grasper of an Anomalocaris saron from the Lower Cambrian of Chengjiang, Yunnan, China.
  9. Hi! After seeing some great paleo art here I thought I'll give it a go. Here's a little drawing I knocked up. Its the first drawing I did since about 6years old. Its only a rough sketch but its supposed to be an Amplectobelua symbrachiata chasing an Elrathia trilobite. I tried to make it is as anatomically correct as I could. Down to the correct number of body segments and grasper podomeres. (the spots are artistic license!)
  10. Model Anomalocaris

    From the album Anomalocaris and friends.

    This is a great (not quite accurate) model of an Anomalocaris that I got for Xmas. Now when visitors ask "what's that smudge on that rock?", instead of pulling up a pic I can simply show them the model.
  11. Anomalocaris from Wheeler Shale

    From the album Anomalocaris and friends.

    Grasper from an Anomalocaris sp. (not yet classified) from the Middle Cambrian Wheeler Shale of Utah. The biggest predator of its day!
  12. Anomalocaris saron

    From the album Anomalocaris and friends.

    This is part of the grasping appendage and mouth of an Anomalocaris saron from the Cambrian Chengjiang biota.
  13. Anomalocaridid feeding appendages.

    From the album Anomalocaris and friends.

    Different Anomalocaridids grasping appendages. Amplectobelua symbrachiata is "e".
  14. From the album Anomalocaris and friends.

    Close up of the trilobite stuck on the end of the Amplectobelua symbrachiata feeding appendage. From Chengjiang.
  15. From the album Anomalocaris and friends.

    Textbook Amplectobelua symbrachiata feeding appendage with trilobite stuck on the end. (With colour and contrast changed) From Chengjiang.
  16. From the album Anomalocaris and friends.

    Textbook Amplectobelua symbrachiata feeding appendage with trilobite stuck on the end. From Chengjiang.
  17. From the album Anomalocaris and friends.

    My best fossil. The Anomalocaridid, Amplectobelua symbrachiata feeding appendage with a trilobite curiously attached to the end. Amplectobelua predation on trilobites or trilobite predation on a dead Amplectobelua? From Chengjiang.
  18. Anomalocaris mouth.

    From the album Anomalocaris and friends.

    A beautiful fossil from the Maotianshan Shales at Chengjiang. 515-525my old. It is a mouth of an Anomalocaridid. Species unknown.
  19. This small fossil is from Chengjiang and was labelled as "Anomalocaris mouth" by seller. He's been wrong before and I'm rather skeptical about that interpretation. Any ideas, anyone?
  20. Amplectobelua symbrachiata

    From the album Anomalocaris and friends.

    Here is a pic of the anomalocaridid, Amplectobelua symbrachiata fossil with me as scale. (Chengjiang, Cambrian, 74mm)
  21. Amplectobelua symbrachiata podomeres.

    From the album Anomalocaris and friends.

    A close up of the podomeres (segments) on the grasper of the anomalocaridid, Amplectobelua symbrachiata from Chengjiang, China. (Cambrian, 74mm)
  22. From the album Anomalocaris and friends.

    A close up of the spines on the end of the grasper of the anomalocaridid, Amplectobelua symbrachiata from Chengjiang, China. (Cambrian, 74mm)
  23. This a great lesson about problems with identification. This is a genuine Cambrian fossil but was identified as "Anomalocaris roulette mouth". Thanks to a member of this forum I was put in touch with Dr Allison Daley from Oxford, a leading Anomalocaris expert from the Burgess Shale. The Doc confirmed to me that it was not Anomalocaris, but Omnidens Amplus, a Cambrian predator worm. I mentioned this to the seller and supplied an article on distinguishing the two, and got the Omnidens for 2\3 price! Love it.
  24. Anomalocaris?

    I recently purchased this from a Chinese dealer (a reputable and knowledgeable dude unlike many from that part of the world). Im fairly certain its an Anomalocaris with some teeth clearly visible. I think the long horizontal impression is one of its graspers. Would like to confirm. Anybody?
  25. Cambrian Models

    This is my most recent sculpture I have made. I sculpt the original in clay. It usualy takes me a few months to complete a sculpture. When I am happy with the piece, I make a silcone mold of it. With the mold, I am able to cast a model in Urethane plastic. Once it is cast I can clean up the piece and I can airbrush it.
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