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Found 3 results

  1. Did Cloudina Build reefs?

    Princeton geologists solve fossil mystery by creating 3-D ‘virtual tour’ through rock, Prnceton University https://www.princeton.edu/news/2018/02/27/princeton-geologists-solve-fossil-mystery-creating-3-d-virtual-tour-through-rock Princeton geologists solve fossil mystery by creating 3-D ‘virtual tour’ through rock, Brinkware, March 1, 2018 http://en.brinkwire.com/179755/princeton-geologists-solve-fossil-mystery-by-creating-3-d-virtual-tour-through-rock/ The paper is: Mehra, A., and Maloof, A., 2018, Multiscale approach reveals that Cloudina aggregates are detritus and not in situ reef constructions. PNAS 2018; published ahead of print February 26, 2018, https://doi.org/10.1073/pnas.1719911115 http://www.pnas.org/content/early/2018/02/21/1719911115 Yours, Paul H.
  2. Ediacaran Biota "Locket"

    I've been making a series of fossil-formation "lockets". Little trinkets that look like a rock, and which open up to show fossils from the rock formation depicted. This Ediacaran Biota locket is my most complex, and most carefully researched piece to-date. Right now I am considering what to do next... When I do an internet search for "famous fossil formations", the first result is for "Hell Creek". It's kind of tough to fit dinosaurs into these little lockets, but I am thinking I could get the K-Pg boundary plated (probably in Gold, since Iridium doesn't look all that different than pewter). I'd love to hear comments, and suggestions on other formations that would be good to do (I already have Burgess Shale and Solnhofen Limestone).
  3. 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 May 10, 2018. Phylum Uncertain Family Cloudinidae Amthor, J.E., et al. (2003). Extinction of Cloudina and Namacalathus at the Precambrian-Cambrian boundary in Oman. Geology. Becker-Kerber, B., et al. (2017). Ecological interactions in Cloudina from the Ediacaran of Brazil: implications for the rise of animal biomineraization. Scientific Reports, 7:5482. Cai, Y., et al. (2017). Taxonomy of the late Ediacaran index fossil Cloudina and a new similar taxon from South China. Precambrian Research, 298. Cai, Y., et al. (2014). Tube growth patterns and microbial mat-related lifestyles in the Ediacaran fossil Cloudina, Gaojiashan Lagerstätte, South China. Gondwana Research, 25. (Author's personal copy) Cai, Y., et al. (2011). Morphology and paleoecology of the late Ediacaran tubular fossil Conotubus hemiannulatus from the Gaojiashan Lagerstätte of southern Shanxii Province, South China. Precambrian Research, 191. Cortijo, I., et al. (2015). Life history and autecology of an Ediacaran index fossil: Development and dispersal of Cloudina. Gondwana Research, 28. Cortijo, I., et al. (2010). A new species of Cloudina from the terminal Ediacaran of Spain. Precambrian Research, 176. Grant, S.W.F. (1990). Shell Structure and Distribution of Cloudina, A Potential Index Fossil for the Terminal Proterozoic. American Journal of Science, Vol.290-A. (Thanks to doushantuo for finding this one!) Han, J., et al. (2017). A Cloudina-like fossil with evidence of asexual reproduction from the lowest Cambrian, South China. Geol.Mag. Hong, H., et al. (2005). Skeletogenesis and asexual reproduction in the earliest biomineralizing animal Cloudina. Geology, Vol.33, Number 4. Mehra, A. and A.Maloof (2018). Multiscale approach reveals that Cloudina aggregates are detritus and not in situ reef constructions. PNAS, Latest Articles. Miller, A.J. A Revised Morphology of Cloudina with Ecological and Phylogenetic Implications. Harvard University, Cambridge, MA. Morris, S.C., B.W. Mattes and C. Menge (1990). The Early Skeletal Organism Cloudina: New Occurrences from Oman and Possibly China. American Journal of Science, Vol.290-A. (Thanks to doushantuo for finding this one!) Vinn, O. and M. Zaton (2012). Inconsistencies in proposed annelid affinities of early biomineralized organism Cloudina (Ediacaran): structural and ontogenetic evidences. Notebooks on Geology, Article 2012/03. Warren, L.V., et al. (2017). Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran. Precambrian Research, 298. Warren, L.V., et al. (2014). The puzzle assembled: Ediacaran guide fossil Cloudina reveals an old proto-Gondwana seaway. Geology. Warren, L.V., et al. (2012). Corumbella and in situ Cloudina in association with thrombolites in the Ediacaran Itapucumi Group, Paraguay. Terra Nova, 23. Wood, R., et al. (2017). Flexible and responsive growth strategy of the Ediacaran skeletal Cloudina from the Nama Group, Namibia. Geology. Affinity Uncertain Amthor, J.E., et al. (2003). Extinction of Cloudina and Namacalathus at the Precambrian-Cambrian boundary in Oman. Geology. Cai, Y., H. Hong and X. Zhang (2013). Tube construction and life mode of the late Ediacaran tubular fossil Gaojiashania cyclus from the Gaojiashan Lagerstätte. Precambrian Research, 224. Cai, Y., et al. (2015). New material of the biomineralizing tubular fossil Sinotubulites from the late Ediacaran Dengying Formation, South China. Precambrian Research, 261. Chen, Z., et al. (2008). Tube structure and original composition of Sinotubulites: shelly fossils from the late Neoproterooic in southern Shaanxi, China. Lethaia, Vol.41. Penny, A.M., et al. (2016). Intraspecific variation in an Ediacaran skeletal metazoan: Namacalathus from the Nama Group, Namibia. Geobiology 2016. Warren, L.V., et al. (2017). Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran. Precambrian Research, 298. Primitive (Ediacaran/Cambrian) Bilatarians Family Dickinsoniidae Brasier, M.D. and J.B. Antcliffe (2008). Dickinsonia from Ediacara: A new look at morphology and body construction. Palaeogeography, Palaeoclimatology, Palaeoecology, 270. Evans, S.D. (2015). Ecology and Biology of Dickinsonia, an Iconic Member of the Ediacara Biota from Nilpena, South Australia. Masters Thesis - University of California Riverside. Evans, S.D., M.L. Droser and J.G. Gehling (2017). Highly regulated growth and development of the Ediacara macrofossil Dickinsonia costata. PLoS ONE, 12(5). Evans, S.D., M.L. Droser and J.G. Gehling (2015). Dickinsonia liftoff: Evidence of current derived morphologies. Palaeogeography, Palaeoclimatology, Palaeoecology, 434. Gold, D.A., et al. (2015). Ancestral state reconstruction of ontogeny supports a bilateran affinity for Dickinsonia. Evolution & Development, 17:6. Gooden, B. (2014). Segmentation and Oxygen Diffusion in the Ediacaran Dickinsonia: an Applied Analysis. Journal and Proceedings of the Royal Society of New South Wales, Vol.147, Numbers 453 & 454. Reid, L.M., D.C. Garcia-Bellido and J.G. Gehling (2018). An Ediacaran opportunist? Characteristics of a juvenile Dickinsonia costata population from Crisp Gorge, South Australia. Journal of Paleontology, 92(3). Retallack, G.J. (2017). Comment on "Dickinsonia liftoff: Evidence of current derived morphologies" by S.D. Evans, M.L. Droser and J.G. Gehling, Palaeogeography, Palaeoclimatology, Palaeoecology 44, 28-33 (2015). Palaeogeography, Palaeoclimatology, Palaeoecology, 485. Sperling, E.A. and J. Vinther (2010). A placozoan affinity for Dickinsonia and the evolution of late Proterozoic metazoan feeding modes. Evolution & Development, 12:2. Zakrevskaya, M.A. and A.Yu. Ivantsov (2017). Dickinsonia costata - the first evidence of neoteny in Ediacaran organisms. Invertebrate Zoology, 14(1). Family Siphusauctidae Kimmig, J., L.C. Strotz and B.S. Lieberman (2017). The stalked filter-feeder Siphusauctum lloydguntheri n.sp. from the middle Cambrian (Series 3, Stage 5) Spence Shale of Utah: its biological affinities and taphonomy. Journal of Paleontology. Kimberella (Unranked) Fedonkin, M.A. and B.M. Waggoner (1997). The Late Precambrian fossil Kimberella is a mollusc-like bilaterian organism. Nature, Vol.388. Fedonkin, M.A., A. Simonetta and A.Y. Ivantsov (2007). New data on Kimberella, the Vendian Mollusc-like Organism (White Sea Region, Russia): Paleoecological and Evolutionary Implications. Geological Society, London, Special Publications 286(1). Plexus (Unranked) Joel, L.V., M.L. Droser and J.G. Gehling (2014). A New Enigmatic, Tubular Organism from the Ediacara Member, Rawnsley Quartzite, South Australia. Journal of Paleontology, 88(2). General Primitive Bilateria Chen, Z., et al. (2013). Trace fossil evidence for Ediacaran bilaterian animals with complex behaviors. Precambrian Research, 224. Cunningham, J.A., et al. (2012). Distinguishing geology from biology in the Ediacaran Doushantuo biota relaxes constraints on the timing of the origin of bilaterians. Proc.R.Soc. B, 279. Jacobs, D.K., et al. (2005). Terminal addition, the Cambrian radiation and the Phanerozoic evolution of bilatarian form. Evolution & Development, 7:6. Martin, M.W., et al. (2000). Age of Neoproterozoic Bilatarian Body and Trace Fossils, White Sea, Russia: Implications for Metazoan Evolution. Science, Vol.288. Smith, E.F., et al. (2017). A cosmopolitan late Ediacaran biotic assemblage: new fossils from Nevada and Namibia support a global biostratigraphic link. Proc.R.Soc. B, 284: 20170934.
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