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Found 17 results

  1. Supermountains controlled the evolution of life on Earth Australian National University, February 2, 2022 EurekaAlert posting Scientists discover lost range of 'supermountains' three times longer than the Himalayas By Brandon Specktor, Live Science, February 4, 2022 The destruction of these ancient mountains may have fueled Earth's biggest evolution booms. Selected papers: Zhu, Z., Campbell, I.H., Allen, C.M., Brocks, J.J. and Chen, B., 2022. The temporal distribution of Earth's supermountains and their potential
  2. BrennanThePaleoDude

    Rifle Range Cranbrook Trip Finds

    I embarked on a two day excavation trip in an attempt to find the raptorial appendage of Anomalocaris but only came home with about 300 Olenellus schucherti heads, some worm burrows, Wanneria bodies and heads, three Tuzoia, an inarticulate Brachiopod and some possible hyoliths, sponges and cyanobacteria. I am hoping to head back soon and do a paper on the locality! Here are a handful of my coolest finds!
  3. The strange race to track down a missing billion years Zaria Gorvett, BBC News, September 1, 2021 A billion years have vanished from the geological record – and over 152 years after this was first discovered, scientists can't agree on why. Some papers: Peters, S.E. and Gaines, R.R., 2012. Formation of the ‘Great Unconformity’as a trigger for the Cambrian explosion. Nature, 484(7394), pp.363-366. Keller, C.B., Husson, J.M., Mitchell, R.N., Bottke, W.F., Gernon, T.M., Boehnke, P., Bell, E.A., Swanson-Hysell, N.L. and Peters,
  4. Oxygen levels also important in biodiversity of trace fossils. https://phys.org/news/2020-08-ancient-life-story-early-diversity.html
  5. Guest11596

    Nature of Things / Nova

    Nature of Things - First Animals "Earth's very first animals, 500-million-years-old, are just being uncovered." Stream: https://gem.cbc.ca/media/the-nature-of-things/season-59/episode-5/38e815a-011d21a2a31?cmp=GEM_SEM2_FirstAnimals Article: https://www.cbc.ca/natureofthings/episodes/first-animals Nova - Rise of the Mammals "Sixty-six million years ago, an asteroid wiped out the dinosaurs in a fiery global catastrophe. But we know little about how their successors, the mammals, recovered and took over the world. Now, hidden inside ordinary-lo
  6. These tracks were made by a foot-long worm on a "death march" 550 million years ago. Newsweek, Sept. 4, 2019 (has pictures ) https://www.newsweek.com/ancient-worm-tracks-evolution-life-1457624 Barras, C., 2019. Ancient worm fossil rolls back origins of animal life. Nature, 573(7772), p.15. https://www.nature.com/articles/d41586-019-02556-x https://www.nature.com/magazine-assets/d41586-019-02556-x/d41586-019-02556-x.pdf Chen, Z., Zhou, C., Yuan, X. and Xiao, S., 2019. Death march of a segmented and trilobate bilaterian elucidates earl
  7. Study of Russian fossils and geochemistry adds evidence that the Cambrian explosion was influenced by rising oxygen levels https://www.google.com/amp/s/www.sciencealert.com/earth-s-oxygen-levels-may-have-guided-animal-evolution-during-the-cambrian-explosion/amp
  8. 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
  9. Kurufossils

    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?
  10. 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:
  11. 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.m
  12. Fossil-Hound

    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.
  13. 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?
  14. Oxytropidoceras

    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 Precambri
  15. 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,
  16. william3dartist

    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. T
  17. 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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