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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. It is possible to be this a real cyclomedusa fossil?
  2. Hello everyone, I came across this fossil on one of the auction sites - unfortunately the seller knows nothing about its age or even the country of origin. He sent me the following pictures, which however are not very sharp :(( Nevertheless, does it look like anything Ediacaran to you? The size is 17,5 x 12,5 x 2 cm. The guy says it's shale rock. What do you think? I will appreciate your comments :) Kasia
  3. Cynic

    I want to define fossil

    The fossil was found near the Mukhavets River, Belarus, Brest. Length ~ 6-7cm (~ 2.5 inch) whole piece. If I registered here, I will be impudent: you can recommend a book (100 -200 pages), an introductory course in fossils.
  4. Hello together, I just got a fossil that I am not sure what to make of. The species ID I got is Nemiana/Beltanelliformis, which I have no reason to doubt so far. https://en.wikipedia.org/wiki/Beltanelliformis What has me wondering is the preservation. Most pieces the seller had to offer seem to be imprints or remnants of sediment glued together by biofilms as one would expect for the species, like in the third pic. Containing mica interestingly. The piece in question appears covered in a shiny black layer that reminds me very much of what I once found in a glass bottle of c
  5. Hello again Fossil Forum, Last week I posted a few pictures of what I thought might be fossil wood that I found on my property in Southeastern PA (Montgomery County, just over the Philadelphia County line). It seemed that it was possible that my rocks were fossils, but also maybe not... One helpful user suggested that I might polish some of the ends (hopefully crossections) of a few pieces. So below and in the next few replies I will post some pictures of a few pieces, for the polished parts I used a cabbing machine. I live at the bottom of a relatively steep hill and these pieces wer
  6. Three years ago, I went to Peggy’s Cove to look around by the lighthouse and enter the nice shops and houses. At some point, I went around looking at the beautiful rock formations created by the glaciers that once covered Nova Scotia during the Pleistocene. I went to one of the very few erratics in the town, and checked underneath to see if I could find anything. I remember there was a cluster of pebbles and stones that were mostly cylindrical, but there were some fragments and shales there as well, however I am not entirely sure if they are endemic to the Mahone Bay / Halifax area aside from
  7. This is a pretty great discovery! Quote from news article: "Scientists have found in rocks from northern China what may be the oldest fossils of a green plant ever found: tiny seaweed that carpeted areas of the seafloor 1bn years ago and were part of a primordial revolution among life on Earth." https://www.theguardian.com/science/2020/feb/24/tiny-chinese-seaweed-is-oldest-green-plant-fossil-ever-found Abstract from Nature: "Chlorophytes (representing a clade within the Viridiplantae and a sister group of the Streptophyta) probably dominated
  8. Fossil that is 715 to 810 million years old turns out to be fungi when chitin found in it. Important finding for early evolution. https://www.vice.com/amp/en_us/article/dyg7x7/a-wild-discovery-about-fungi-just-changed-earths-evolutionary-timeline
  9. Hi. I have heard of Precambrian stromatolites found in the Precambrian rocks of Ontario but I am curious, has there been any reports of Ediacaran or Mistaken Point- like fossils being found in the Canadian Shield of Ontario?
  10. connorp

    Pre/Cambrian Collection

    I have always been quite fascinated with the early stages of development of life on Earth. My interest really picked up when I first discovered the Ediacaran biota, and who can blame me. Those creatures are so enigmatic and fascinating. I was able to pick up a few specimens, but quickly realized that my desire for fossils greatly outweighed the supply and cost of Ediacaran fossils, and I soon discovered the equally fascinating and enigmatic Lower Cambrian Chengjiang biota. I was, and still am, blown away at the quality of preservation of these soft bodied critters. A lot of specimens come very
  11. Sinopaleus

    Grypania spiralis

    Generally accepted to be one of the earliest eukaryotes, these spiral ribbons are also the oldest macroscopic body fossils known to date. The Negaunee Fm. has been dated to 2.11 billion years old, but new studies suggest the unit is 1.87 billion years old. These ribbons are most simply referred to as a form of archaic alga, and existed when increasing oxygen levels caused global rusting of the oceans, also resulting in the extinction of other lifeforms unable to adapt to the then-toxic levels of oxygen.
  12. Controversial fossils suggest life began to move 2.1 billion years ago. New Scientist, February 11, 2019 https://www.newscientist.com/article/2193557-controversial-fossils-suggest-life-began-to-move-2-1-billion-years-ago/ The paper is: Abderrazak El Albani, M. Gabriela Mangano, Luis A. Buatois, Stefan Bengtson, Armelle Riboulleau, Andrey Bekker, Kurt Konhauser, Timothy Lyons, Claire Rollion-Bard, Olabode Bankole, Stellina Gwenaelle Lekele Baghekema, Alain Meunier, Alain Trentesaux, Arnaud Mazurier, Jeremie Aubineau, Claude Laforest, Claude Fontain
  13. Good morning everybody, For anyone interested! Mid January 2019 I’ll publish a new book (in Italian, the english version is planned in 2020, but only if I'll recover the printing and translator costs) ‘Spiagge Cambriane. Meduse e tappeti algali’ [Cambrian shorelines - Jellyfish and Algal mats]. It concerns fossil jellyfish (and cnidarian in general) and their relation with algal mats, as a principal factor of the taphonomy of these soft-bodied organisms, covering fossils lagerstätten from Precambrian to the French Oligocene. The 232 pages book is rich of inedit illustrations coming from w
  14. Oxytropidoceras

    Oldest Known Animals Reported From China

    Exclusive: 600-million-year old blobs are earliest animals ever found Fossils in China suggest that that some of the first animals in existence may have been carnivorous comb jellies similar to some species that still exist today. New Scientist, January 23, 20-19 https://www.newscientist.com/article/mg24132142-700-exclusive-600-million-year-old-blobs-are-earliest-animals-ever-found/?utm_campaign=RSS|NSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news An older article is: https://www.newscientist.com/article/2180053-earliest-known-animal-was-a-h
  15. Zumbergloverohrsreetalproxyporifer.2018online.pdf Demosponge steroid biomarker 26-methylstigmastane provides evidence for Neoproterozoic animals J. Alex Zumberge, Gordon D. Love, Paco Cárdenas , Erik A. Sperling, Sunithi Gunasekera, Megan Rohrssen, Emmanuelle Grosjean, John P. Grotzinger and Roger E. Summons Nature Ecology & Evolution 10.1038/s41559-018-0676 inherently interesting..
  16. doushantuo

    ediacaran finds

    arrodiscoiscyphozoanaturesrep30590.pdf Ediacaran discs from South America:probable soft-bodied macrofossils unlock the paleogeography of the Clymene ocean Maria Julia Arrouy,Lucas V.Warren,Fernanda Quaglio,Daniel Poire ,Marcello Guimares Soares,Milena Boselli Rosa,Lucia E.Gomez Peral * Nature Scientific reports (6) 30590 publ.: 27-7-2016 *all diacritics omitted
  17. doushantuo

    Some recommended Precambrian reading

    Schopf Precambrian microbe-like pseudofossils: A promising solution to the problem J. William Schopf , Anatoliy B. Kudryavtsev , Kenichiro Sugitani , Malcolm R. Walter Precambrian Research 179 (2010) 191–205 When some famous names in Pre-Phanerozoic paleontology get together,things get interesting. And these names certainly loom pretty large in that field Unreservedly recommended for those interested in "the Early Earth"
  18. doushantuo

    U might have split

    bentridiseghouroklolagerstafissionlagerstaCRGeo2011_article.pdf Inception and evolution of Oklo natural nuclear reactors Genese et evolution des reacteurs nucleaires fossiles d’Oklo Salah-Eddine Bentridi, Benoıt Gall , Francois Gauthier-Lafaye C. R. Geoscience 343 (2011) 738–748 This is the world's only (and oldest)known natural fission reactor.....................
  19. doushantuo

    building blocks

    here Norio Kitadai,Shigenori Maruyama: Origins of building blocks of life: A review* Geoscience Frontiers,(9)-2018 Some prior knowledge of organic geochemistry might be helpful,but is not required for understanding this About 5,6 MB * it is what it say on the tin:a reasonably long comprehensive view of the state of the art
  20. So I've had a hankering for some Precambrian fossils. In Utah, according to this article, there is cyanobacteria fossils present in Utah. Does anybody have any examples of Cyanobacteria fossils that they'd like to show the world so I can have an idea what I'm looking for? If you know anything extra about localities or examples of the Red Pine Shale fossils and don't want to share with everybody we can PM. I'm just trying to get a feel for them before I head out. Thanks.
  21. There is a website that describes a controversial fossil found in 2003: http://www.abc.net.au/science/articles/2003/11/10/984724.htm Since it doesn't have a name at the time of publishing, I'm finding it difficult to find more information on it.
  22. As a young mineral, crystal and fossil collector, I was perusing through my uncle's 1962 copy of "Scientific American". In it was an article on recently described "Animals" of the Precambrian period. I was fascinated by the artist's abstract rendition of these critters as they may have lived. The early scientists were beguiled as was I. Naturally, collectors envision finding great things themselves and so the wanting started. Fast forward to 2016 and I find myself retired. Nearly all localities of these Precambrian sites are protected and I realize I won't be digging these fossils anytime
  23. 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 Jun
  24. doushantuo

    Large and reasonably old

    VERY HIGHLY ,nay,UNRESERVEDLY recommended,3,2 Mb This is for all those who are interestested (almost said "this is dedicated to all those interested" in the earliest history of (multicellular) animals!!!!!!!!!! in Earths earliest biota... myanknollszieparamNaturellular_eukaryotes_from_the_.pdf Give it a go, because Zhu and Knoll do know their paleobiology. I would NOT be far wrong in saying that now that Martin Brasier is no longer with us, Knoll is one of the biggest names in "early earth/astrobiology".
  25. I just finished reading this one. I do recommend it for the early-life nuts among us. It's chock full of eye candy, diagrams and info on everything Precambrian, not just Ediacaran though that is the focus, and into the Cambrian as well. State of the art as of 2007.. I'd like to see an updated edition if there ever is one. There is an introductory section covering everything from the universe and the origin of Earth and of life, early macroscopic fossils, the Snowball Earth and so on, then gets into the meat of the different sites (major and minor) bearing Ediacaran fossils including some
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