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Found 91 results

  1. Has a comprehensive study of the taphonomy of the trilobites found in the Asery Level, Simankovo Formation, been published in either English or Russian? If so, where has this research been published? I have found online a copy of: Ivantsov, A. Y. (2004) Ordovician Trilobites of the Subfamily Asaphinae of the Ladoga Glint. Paleontological Journal v. 37, supp. 3, pp. S229-S337. https://www.researchgate.net/publication/260191469_Ordovician_Trilobites_of_the_Subfamily_Asaphinae_of_the_Ladoga_Glint https://www.academia.edu/2353004/Ordovician_Trilobites_of_the_Subfamily_Asaphinae_of_the_Ladoga_Glint However, I would like to find a more detailed discussion of the taphonomy / sedimentology of the the Asery Level, Simankovo Formation if it exists in either English or Russian. More details are in "What's the age of Asery Level" at http://www.thefossilforum.com/index.php?/topic/83363-whats-the-age-of-asery-level/ Any citations that anyone can recommend would be appreciated. Yours, Paul H.
  2. What fossils will modern-day civilization leave behind? By Eva Frederick, Science News, Jan. 6, 2020 https://www.sciencemag.org/news/2020/01/what-fossils-will-modern-day-civilization-leave-behind The open access paper is: Plotnick, R.E. and Koy, K.A., 2019. The Anthropocene Fossil Record of Terrestrial Mammals. Anthropocene, p.100233. The Anthropocene fossil record of terrestrial mammals https://www.sciencedirect.com/science/article/pii/S221330541930044X?via%3Dihub Yours, Paul H.
  3. Hello together, some time ago I bought a nice big Spinosaurus tooth I am quite happy with. I only wonder when its tip got its shape: when the animal was still alive and chewing fish , when the fossil was (partially) in the ground or when it was in the preppers workshop. Any opinions on that one? thanks in advance, J
  4. Preserved Cambrian Brain

    Nevermind that the authors got the age wrong by a factor of 1000! They thought it was 500,000 years old but they say Cambrian so I guess it is 500 million years old. https://news.google.com/articles/CAIiEGCPp7KKbJYVK8AnXN7shMsqGQgEKhAIACoHCAowrq6BCzCw9PwCMMjF7gU?hl=en-US&gl=US&ceid=US%3Aen
  5. Mechanisms of soft tissue and protein preservation in Tyrannosaurus rex Elizabeth M. Boatman, Mark B. Goodwin, Hoi-Ying N. Holman, Sirine Fakra,Wenxia Zheng, Ronald Gronsk & Mary H. Schweitzer NATURE Scientific Reports | (2019) 9:15678 | https://doi.org/10.1038/s41598-019-51680-1 natu about 9 MB
  6. Does anyone know of deposits other than the LeGrand crinoids where each species is preserved in a different characteristic color, all on the same slab? We have this kind of thing in the brachiopods and trilobites of the Decorah Formation (Late Ordovician) here in Missouri, which is what got me thinking about it. But I've never seen a report summarizing other cases of this phenomenon, and as I think about it I'm not sure I can name any others. Can you? Brachiopod photo info: A= Zygospira B= Rafinesquina C= Doleroides 1 = Isotelus, rusty brown 2 = ?Achatella, light gray. Highway M near Antonia, Jefferson County Decorah Formation, Late Ordovician, ~450 million years old
  7. Exceptional fossils may need a breath of air to form University of Texas at Austin, November 6, 2019 https://phys.org/news/2019-11-exceptional-fossils-air.html https://www.sciencedaily.com/releases/2019/11/191106112109.htm https://www.eurekalert.org/pub_releases/2019-11/uota-efm110519.php Exceptionally preserved Jurassic sea life found in new fossil site by University of Texas at Austin https://phys.org/news/2017-01-exceptionally-jurassic-sea-life-fossil.html The paper is: A.D. Muscente Et Al, Taphonomy Of The Lower Jurassic Konservat-Lagerstätte At Ya Ha Tinda (Alberta, Canada) And Its Significance For Exceptional Fossil Preservation During Oceanic Anoxic Events, Palaios (2019). DOI: 10.2110/Palo.2019.050 https://pubs.geoscienceworld.org/sepm/palaios/article/34/11/515/574686/TAPHONOMY-OF-THE-LOWER-JURASSIC Martindale, R.C., Them, T.R., Gill, B.C., Marroquín, S.M. and Knoll, A.H., 2017. A new Early Jurassic (ca. 183 Ma) fossil Lagerstätte from Ya Ha Tinda, Alberta, Canada. Geology, 45(3). https://par.nsf.gov/servlets/purl/10066020 https://vtechworks.lib.vt.edu/bitstream/handle/10919/81874/Geology 2017 Martindale-2.pdf?sequence=1 Yours, Paul H.
  8. Researchers discover more male than female mammalian fossils in museum collections by Bob Yirka , Phys.org https://phys.org/news/2019-09-male-female-mammalian-fossils-museum.html The Quirk of Collecting That Skews Museum Specimens Male. Only two orders of mammals—containing bats, anteaters, and sloths—are biased toward females. Rachel Gutman, The Atlantic, Sept. 11, 2019 https://www.theatlantic.com/science/archive/2019/09/research-specimens-are-mostly-male/597832/ The paper is: Gower, G., Fenderson, L.E., Salis, A.T., Helgen, K.M., van Loenen, A.L., Heiniger, H., Hofman-Kamińska, E., Kowalczyk, R., Mitchell, K.J., Llamas, B. and Cooper, A., 2019. Widespread male sex bias in mammal fossil and museum collections. Proceedings of the National Academy of Sciences, 116(38), pp.19019-19024. https://www.pnas.org/content/116/38/19019.short Yours, Paul H.
  9. What Fossils Alone Can’t Explain About Dinosaurs When time is measured in 10-million-year blocks, the lines between ecosystems and animals that would never have coexisted can get blurry. Laura Poppick, The Atlantic, August 17, 2019 https://www.theatlantic.com/science/archive/2019/08/paleontology-precision-problem/596176/ Yours, Paul H.
  10. Previtera, E., 2019. Taphonomic analysis of saurischian dinosaurs from the Plottier Formation (Upper Cretaceous), Mendoza, Argentina. Andean geology: Formerly Revista geológica de Chile, 46(2), pp.345-367. DOI: http://dx.doi.org/10.5027/andgeoV46n2-3161 http://www.andeangeology.cl/index.php/revista1/article/view/V46n2-3161 http://www.andeangeology.cl/index.php/revista1/article/view/V46n2-3161/pdf Yours, Paul H.
  11. The below paper is an interesting reinterpretation of the depositional environment of the Birket Qarun Formation of the UNESCO World Heritage Site Wadi Al-Hitan, also known as either Valley of Whales or Zeuglodon Valley, in the Western Desert of Egypt. The paper is: Gee, C.T., Sander, P.M., Peters, S.E., El-Hennawy, M.T., Antar, M.S.M., Zalmout, I.S. and Gingerich, P.D., Fossil burrow assemblage, not mangrove roots: reinterpretation of the main whale-bearing layer in the late Eocene of Wadi Al-Hitan, Egypt. Palaeobiodiversity and Palaeoenvironments, pp.1-16. The PDF file is at: https://www.researchgate.net/publication/326955395_Fossil_burrow_assemblage_not_mangrove_roots_reinterpretation_of_the_main_whale-bearing_layer_in_the_late_Eocene_of_Wadi_Al-Hitan_Egypt https://www.researchgate.net/profile/Paul_Sander2 The abstract is at: https://link.springer.com/article/10.1007/s12549-018-0337-0 Yours, Paul H.
  12. cambrian taphonomy

    Trace fossils associated with Burgess Shale nonbiomineralized carapaces:bringing taphonomic and ecological controls into focus M. Gabriela Mangano, Christopher David Hawkes,and Jean-Bernard Caron R. Soc. open sci. 6: 172074. http://dx.doi.org/10.1098/rsos.172074 Category: teeth-gnashingly relevant for those into the Cambrian and interested in Lower Paleozoic taphonomy and ichnology
  13. Inside out? Ediacaran fossils might represent internal structures, researchers say. At 560 million-years-old, Ediacarans are truly ancient organisms, but do palaeontologists really know what they looked like? Elizabeth Finkel reports. https://cosmosmagazine.com/palaeontology/inside-out-ediacaran-fossils-might-represent-internal-structures-researchers-say The paper is: Bobrovskiy, I., Krasnova, A., Ivantsov, A., Luzhnaya, E. and Brocks, J.J., 2019. Simple sediment rheology explains the Ediacara biota preservation. Nature ecology & evolution, p.1. https://www.nature.com/articles/s41559-019-0820-7 Yours, Paul H.
  14. New Journal Article Concludes Cerutti Mastodon Bones Broken Recently by Construction Equipment, Not Hunters 130,000 Years Ago, Jason Colavito, http://www.jasoncolavito.com/blog/new-journal-article-concludes-cerutti-mastodon-bones-broken-recently-by-construction-equipment-not-hunters-130000-years-ago The paper is: Ferrell, P.M., 2019. The Cerutti Mastodon Site Reinterpreted with Reference to Freeway Construction Plans and Methods. PaleoAmerica, pp.1-7. https://www.tandfonline.com/doi/abs/10.1080/20555563.2019.1589663 A reported case of "green bone" spiral mammoth bone breakage by heavy machinery is: Haynes, G., 2017. Taphonomy of the Inglewood mammoth (Mammuthus columbi)(Maryland, USA): Green-bone fracturing of fossil bones. Quaternary International, 445, pp.171-183. https://www.researchgate.net/publication/298209908_Taphonomy_of_the_Inglewood_mammoth_Mammuthus_columbi_Maryland_USA_Green-bone_fracturing_of_fossil_bones https://www.researchgate.net/profile/Gary_Haynes Yours, Paul H.
  15. News of a new species of mastodon, the Pacific Mastodon, led me to read about another interesting story about the Cerutti Mastodon found in San Diego, California that was about 130,000 years old. Supposedly humans broke its bones with stones before it was buried. Needless to say, there was a great amount of disagreement that humans were in the America’s 130,000 years ago. An interesting article referencing the Cerutti Mastodon was written in 2017 or later. The author suggested that a giant capuchin monkey may have broken the mastodon’s bones. Enter a small, middle aged man suited up and engulfed in a cloud of cigarette smoke: “That's the signpost up ahead - your next stop.....the Twilight Zone.” https://megafauna.com/a-giant-capuchin-monkey/
  16. McMahon, S., Bosak, T., Grotzinger, J.P., Milliken, R.E., Summons, R.E., Daye, M., Newman, S.A., Fraeman, A., Williford, K.H. and Briggs, D.E.G., 2018. A field guide to finding fossils on Mars. Journal of Geophysical Research: Planets.vol. 123, no. 5, pp. 1020-1040 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2017JE005478 McMahon, S., The chemistry of fossilization on Earth and Mars. http://www.portlandpresspublishing.com/sites/default/files/biochemist/Biochemist Space issue Dec 2018/BioDEC18_chemistry of fossilization pg 28.pdf Yours, Paul H.
  17. The open access paper is: Clements, T., Purnell, M. and Gabbott, S., 2018. The Mazon Creek Lagerstätte: a diverse late Paleozoic ecosystem entombed within siderite concretions. Journal of the Geological Society. Journal of the Geological Society (2018) 176 (1): 1-11. https://doi.org/10.1144/jgs2018-088 https://pubs.geoscienceworld.org/sepm/jgs/article/545488/the-mazon-creek-lagerstatte-a-diverse-late https://pubs.geoscienceworld.org/jgs/issue/current Another open access paper is: Briggs, D.E., Liu, H.P., McKay, R.M. and Witzke, B.J., 2018. The Winneshiek biota: exceptionally well-preserved fossils in a Middle Ordovician impact crater. Journal of the Geological Society, 175(6), pp.865-874. https://pubs.geoscienceworld.org/jgs/article/175/6/865/548502/the-winneshiek-biota-exceptionally-well-preserved https://pubs.geoscienceworld.org/jgs/issue/175/6 Yours, Paul H.
  18. The Ordovician of Oland

    phosphthesi about 36 MB ******************** Phosphatized echinoderm remains from the upper lower Ordovician strata of northern Oland,Sweden preservation,taxonomy and evolution Magnus Svensson Examens arbete i Geologi vid Lunds Universitete n 105/1999 ******************** diacritics omitted("Oeland") Could the bee have any more knees? Nope. characterization:Monograph/thesis. 54 pages excluding bibliography
  19. G.Rex:classic plant taphonomy

    GMR THE FORMATION OF PLANT COMPRESSION FOSSILS: EXPERIMENTAL AND SEDIMENTOLOGICAL INVESTIGATIONS Gillian M.Rex Thesis submitted for the degree of Doctor of Philosophy in the University of London about 13 MB/TYPESCRIPT IMHO:unputdownable/indispensable for those interested in (Paleozoic) plant fossils below: a composite i concocted to give you an idea her Palaeontology article is probably somewaht of a condensation of this piece
  20. Histology and osteology/Cretaceous

    LINDGR Lindgren, J., Uvdal, P., Engdahl, A., Lee, A. H., Alwmark, C., Bergquist, K-E., ... Jacobs, L. L. (2011). Microspectroscopic evidence of cretaceous bone proteins. PLoS ONE, 6(4), [e19445]. DOI: 10.1371/journal.pone.0019445
  21. Ordovician taphonomy, Iowa

    maquordovicusavanitphosphjt049-web.pdf Heyo Van Iten, Michael Lichtenwalter, Juliana de Moraes Leme,Marcello Guimarães Simões * “Possible Taphonomic Bias in the Preservation of Phosphatic Macroinvertebrates in the Uppermost Maquoketa Formation (Upper Ordovician) of Northeastern Iowa (North-Central USA)” Journal of Taphonomy, vol.4, issue 4/2006 *all diacritics omitted
  22. Allmon, W.D. and Nester, P.L. eds., 2008. Mastodon paleobiology, taphonomy, and paleoenvironment in the late Pleistocene of New York State: studies on the Hyde park, Chemung, and North Java sites. Paleontological Research Institution. https://www.researchgate.net/publication/269094521_Geology_and_taphonomy_of_the_North_Java_mastodon_site_ https://dendro.cornell.edu/articles/griggs2008.pdf Yours, Paul H.
  23. LINK(about 23 MB) Foster,J.R.,Hunt-Foster,R.K.,Gorman,M.A.II,Trujillo,K.C.,Suarez,C.A.,McHugh,J.B.,Peterson,J.E.,Warnock,J.R.,Schoenstein,H.E. Paleontology,taphonomy and sedimentology of the Mygatt-Moore Quarry,a large dinosaur bonebed in the Morrison Formation,WEstern Colorado-implications for upper JUrassic dinosaur preservation modes:Geology of the Intermountain West,v.5,p.23-93 TABLE OF CONTENTS OF THE PUBLICATION: general impression: NICE JOURNAL,more or less of a "technical" nature
  24. Mazonia 2018 short (re)view

    http://jgs.lyellcollection.org/content/jgs/early/2018/07/30/jgs2018-088.full.pdf. THIS IS: The Mazon Creek Lagerstätte: a diverse late Palaeozoic ecosystem entombed within siderite concretions View ORCID ProfileThomas Clements, View ORCID ProfileMark Purnell and Sarah Gabbott Journal of the Geological Society, https://doi.org/10.1144/jgs2018-088 about 2,1 MB and the usual JGSL quality
  25. Eusuchian taphonomy

    isisfordia Cite this article: Syme CE, Salisbury SW. 2018 Taphonomy of Isisfordia duncani specimens from the Lower Cretaceous (upper Albian) portion of the Winton Formation, Isisford, central-west Queensland. R. Soc. open sci. 5: 171651. http://dx.doi.org/10.1098/rsos.171651 Recommended!
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