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Found 7 results

  1. https://www.iflscience.com/-fossil-that-rewrote-indian-geologic-history-is-actually-a-very-recent-beehive-67370 Original Dickinsonia article: https://www.sciencedirect.com/science/article/abs/pii/S1342937X20303038 Tongue in cheek retraction: https://www.sciencedirect.com/science/article/abs/pii/S1342937X23000254
  2. Great virtual talk about using biomarkers to determine the presence of sponges in the Neoproterozoic. What are the major sources of Neoproterozoic C30 steranes? Gordon Love, University of California, Riverside Virtual Seminars in Precambrian Geology, December 2, 2022 In addition, starting at 53:30, Dr. Love presents very specific arguments about why the cholestane biomarker recovered from fossils of White Sea Dickinsonia fossils are Quaternary contaminates and are not in any way associated with them. If so, this renders the arguments about whether the cholestane biomarker indicates Dickinsonia is an animal rather moot. The original Fossil Forum post is: Dickinsonia steroids not unique to animals The original papers are: Bobrovskiy, I., Hope, J.M., Ivantsov, A., Nettersheim, B.J., Hallmann, C. and Brocks, J.J., 2018. Ancient steroids establish the Ediacaran fossil Dickinsonia as one of the earliest animals. Science, 361(6408), pp.1246-1249. and Retallack, G.J., 2022. Damaged Dickinsonia specimens provide clues to Ediacaran vendobiont biology. Plos one, 17(6), p.e0269638. More of Bobrovskiy’s papers More of Rettalack’s papers Yours, Paul H.
  3. oilshale

    Dickinsonia costata Sprigg, 1947

    From the album: Invertebrates

    Dickinsonia costata Sprigg, 1947 Ediacaran White Sea region, Zimnie Gory Arkhangelsk Russia
  4. The Famous Fossils Scientists Got Incredibly Wrong Michelle Starr, Science Alert, December 28, 2021 Also there is Ten coolest non-dinosaur fossils unearthed in 2021 By Harry Baker, Live Science, December 28, 2021 Yours, Paul H.
  5. Hello, I'd like to share my most recently acquired fossil, a Dickinsonia costata from the White Sea. It's estimated to be a little over 550 million years old and is considered among the first animal macrofossils. I think an old stromatolite may be the next fossil item on my wishlist. What is the oldest fossil in your collection? Share it here
  6. Retallack, G.J., Matthews, N.A., Master, S., Khangar, R.G., Khan, M. 2021 Dickinsonia Discovered in India and Late Ediacaran Biogeography. Gondwana Research, 90:165-170 DOI: 10.1016/j.gr.2020.11.008
  7. References: Andrey Ivantsov et al.: Guidebook of the field paleontological excursion: Zimnie Gory - locality of the Vendian (Ediacaran) soft-bodied animals. link
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