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Found 10 results

  1. The subject of this article is probably old news....but they spent a significant amount of space highlighting the importance of amateur collectors and thanking them for their contributions. Thought it might be nice to read about that http://www.geologypage.com/2018/09/half-billion-year-old-fossils-offer-new-clues-to-how-life-exploded-on-the-sea-floor.html
  2. Spot the Vetulicola?

    There is a Vetulicola (partial) somewhere on this piece, I have been looking at it for awhile but I can't really spot where it is on here, anyone more familiar with Chengjiang fossils able to spot it or id for sure as vetulicola?
  3. part one cavaliersmithrslrstb20150476.pdf (less than 0,8 Mb) The name of the author, one of the big thinkers on the phylogenies of several phyla,was one of the things that attracted me to this piece part two:the response DufourMcIlroydiscussommerslcambrianeventexplosioediaca2017.pdf less than 1 Mb outtake: outtake from the response:
  4. Fascinating lecture about molecular paleontology and the Cambrian Explosion. MDIBL Science Café - Cambrian Explosion: Animals or Fossils? MDI Biological Laboratory, Kevin Peterson, Aug 21, 2013 Additional reading: Erwin, D.H., Laflamme, M., Tweedt, S.M., Sperling, E.A., Pisani, D. and Peterson, K.J., 2011. The Cambrian conundrum: early divergence and later ecological success in the early history of animals. science, 334(6059), pp. 1091-1097. https://pdfs.semanticscholar.org/01fa/17e95952f8877302705e5030902b9ee92dd0.pdf http://www.markolabhawaii.org/Marko_Lab_at_UH_Manoa/ZOOL_719_-_Readings_files/Science-2011-Erwin-1091-7.pdf http://science.sciencemag.org/content/334/6059/1091 Yours Paul H.
  5. Elrathia kingii

    Collected on a field trip to U-Dig Utah and prepared at the U-Dig site station. After a light mechanical brush exposed the shale, mineral oil was applied with another brush for a polished finish.
  6. I read a book called In the Blink of an Eye not long ago where the author claimed that the development of the eye is what led to the expansion of biodiversity. I've also heard the development of hard parts, changes in environment, and genetic causes. I honestly don't have a feeling on this one. Do you?
  7. Latest Ediacaran Wormworld Fauna

    Schiffbauer, J. D., J. W. Huntley, G. R. O’Neil, S. A.F. Darroch, M. Laflamme, and Y. Cai, 2016, The Latest Ediacaran Wormworld Fauna: Setting the Ecological Stage for the Cambrian Explosion. GSA Today. V. 26, no. 11, pp. 4-11. http://www.geosociety.org/gsatoday/archive/26/11/pdf/i1052-5173-26-11-4.pdf http://www.geosociety.org/gsatoday/archive/26/11/article/i1052-5173-26-11-4.htm http://www.geosociety.org/gsatoday/archive/26/11/ Schiffbauer, J. D., 2016, The age of tubes: A window into biological transition at the Precambrian-Cambrian boundary. Geology. v. 44 no. 11 p. 975-976 http://geology.gsapubs.org/content/44/11/975.full Yours, Paul H.
  8. Oxygen levels were key to early animal evolution, strongest evidence now shows, University College London, September 23, 2016 http://www.ed.ac.uk/news/2016/ocean-oxygen-is-key-to-animal-evolution https://www.sciencedaily.com/releases/2016/09/160923100751.htm http://phys.org/news/2016-09-ocean-oxygen-key-animal-evolution.html Tostevin, R., R. A. Wood, G. A. Shields, S. W. Poulton, R. Guilbaud, F. Bowyer, A. M. Penny, T. He, A. Curtis, K. H. Hoffmann, M. O. Clarkson. Low-oxygen waters limited habitable space for early animals. Nature Communications, 2016; 7: 12818 DOI: 10.1038/ncomms12818 http://www.nature.com/ncomms/2016/160923/ncomms12818/full/ncomms12818.html Other papers are: Chen, X.; H. F. Ling, D. Vance, G. A. Shields-Zhou, M. Zhu, S. W. Poulton, L. M. Och, S. Y. Jiang, D. Li, L. Cremonese, and C. Archer, 2015, Rise to modern levels of ocean oxygenation coincided with the Cambrian radiation of animals., Nature Communications, 6. doi: 10.1038/ncomms8142 http://eprints.whiterose.ac.uk/86399/1/Nature communications 2015.pdf and http://www.see.leeds.ac.uk/people/s.poulton Lyons, T. W., C. T. Reinhard, and N. J. Planavsky, 2015, The rise of oxygen in Earth’s early ocean and atmosphere. (review article). Nature. Vol. 506, pp. 307–315. doi:10.1038/nature13068 http://earthscience.rice.edu/wp-content/uploads/2015/11/Nature-2015-Lyons.pdf http://www.nature.com/nature/journal/v506/n7488/abs/nature13068.htm Yours, Paul H.
  9. My Ammonite

    Hi Guys, I'm new on here and I am a 3D Artist or Artist in general from 2D Illustrations to 3D. I really enjoyed learning as a child about dinosaurs and all animals. My Dad still holds on to my old Dinosaur toys and animal cards to this day and wont give them back to have something to remember me by. I will be 3D Modeling this Ammonite and animating it. I will share my progress on here with you all. I have an image below of my fossil as well as a 3D scan of it I had done, a while back at the Siggraph animation / technology convention by 3 rivers 3D. http://www.3rivers3d.com/gallery1.html. Thanks, William
  10. First off, great work guys! Some really impressive art in this section. Here's a piece I collaborated on with the eminent Sam Gon Ohu III. We did this over 10 years ago, but have gotten many requests to use it in a variety of media over the years, (recently in a text book) so I kind of dust it off a little each time and thought I'd post it here. Full explanation is on Sam's excellent trilobite site and can be found here: http://www.trilobites.info/triloclass.htm%C2'>
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