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Found 102 results

  1. Taphonomy question

    I'm curious what may have caused this burrow-like hole in dalmanitid eye? The eye popped off while I was prepping it availing a look inside. Microbes, worms, decay?
  2. Below are some online PDF files of the now defunct, but still famous, the Leisey Shell Pit in southwest florida. Leisey Shell Pit 1A, University of Florida Vertebrate Fossil Locality HI007 https://www.floridamuseum.ufl.edu/florida-vertebrate-fossils/sites/leisey-shell-pit-1a/ https://www.floridamuseum.ufl.edu/100years/leisey-shell-pit-fossils/ Hulbert, Jr., R.C., Morgan, G.S. and Webb S.D., eds., 1995. Paleontology and Geology of the Leisey Shell Pits, Early Pleistocene of Florida. Bulletin Florida Museum of Natural History, 37 (Part I). https://www.floridamuseum.ufl.edu/bulletin/publications/ https://ufdc.ufl.edu/UF00095791/00001 https://ufdc.ufl.edu/UF00095791/00002/allvolumes Hulbert, Jr., R.C., Morgan, G.S. and Webb S.D., eds., 1995. Paleontology and Geology of the Leisey Shell Pits, Early Pleistocene of Florida. Bulletin Florida Museum of Natural History, 37 (Part II). https://www.floridamuseum.ufl.edu/bulletin/publications/ https://ufdc.ufl.edu/UF00095791/00002 https://ufdc.ufl.edu/UF00095791/00002/allvolumes Hulbert, R.C. and Morgan, G., 1989. Stratigraphy, paleoecology, and vertebrate fauna of the Leisey Shell Pit Local Fauna, early Pleistocene (Irvingtonian) of southwestern Florida. Florida Museum of Natural History, University of Florida. https://www.researchgate.net/publication/313657536_Stratigraphy_paleoecology_and_vertebrate_fauna_of_the_Leisey_Shell_Pit_Local_Fauna_early_Pleistocene_Irvingtonian_of_southwestern_Florida http://floridapaleosociety.com/wp-content/uploads/2012/02/Papers-in-Florida-Paleontology-2-July-1989.pdf Portell, R.W. and Kittle, B., 2010. Mollusca: Bermont Formation (middle Pleistocene). Florida Fossil Invertebrates, 13, pp.1-40. http://floridapaleosociety.com/wp-content/uploads/2012/02/FFI-13.pdf Kittle, B., and Portell, R.W., 2010. Mollusca: Fort Thompson Formation (middle Pleistocene). Florida Fossil Invertebrates, 13, pp.1-40. http://floridapaleosociety.com/wp-content/uploads/2011/01/FFI-12.pdf Morgan, G.S. and Hulbert Jr, R.C., 1995. Overview of the geology and vertebrate biochronology of the Leisey Shell Pit local fauna, Hillsborough County, Florida. Bulletin of the Florida Museum of Natural History, 37(1), pp.1-92. https://www.floridamuseum.ufl.edu/files/7114/7180/9327/Vol-37-Part_1-No-1.pdf https://www.researchgate.net/publication/257620521_Overview_of_the_geology_and_vertebrate_biochronology_of_the_Leisey_Shell_Pit_Local_Fauna_Hillsborough_County_Florida https://www.researchgate.net/profile/Richard_Hulbert Taphonomy of the terrestrial mammals of Leisey Shell Pit 1A, Hillsborough County, Florida https://www.researchgate.net/publication/306429620_Taphonomy_of_the_terrestrial_mammals_of_Leisey_Shell_Pit_1A_Hillsborough_County_Florida https://www.researchgate.net/profile/Richard_Hulbert As lagniappe, there is also an online PDF of a guidebook to Cretaceous-Cenozoic Floras and Landscapes of Southeastern Australia. It is: First International Palaeontological Congress: Pre-Congress Fieldtrip 1: Cretaceous-Cenozoic Floras and Landscapes of Southeastern Australia https://www.researchgate.net/publication/233747871_Cretaceous-Cenozoic_Floras_and_Landscapes_of_Southeastern_Australia https://www.researchgate.net/profile/Stephen_Mcloughlin/2 https://www.researchgate.net/profile/Stephen_Mcloughlin/ Yours, Paul H.
  3. "Instant" Fossilization

    Surprise! Fossils in a flash What the study of death, decay and ‘instant’ fossils is telling science about how life has evolved. Douglas Fox, Science News for Students, May 16, 2020 https://www.sciencenewsforstudents.org/article/surprise-fossils-flash Yorus, Paul H.
  4. What Future Civilization Will Learn From Tomorrow’s Fossils Rick Robinson, Northrop Grumman, April 27, 2020 https://now.northropgrumman.com/what-future-civilization-will-learn-from-tomorrows-fossils/ Fossils of the 21st century Maddie Stone, Gizmodo, December 12, 2012 https://earther.gizmodo.com/the-fossils-of-the-21st-century-1830693850 Humans Produce So Much Junk, We Are Creating a New Geological Layer The technofossils we leave behind will create a mark on the planet. By Starre Vartan, Slate, March 27, 2017 https://slate.com/technology/2017/03/humans-are-creating-a-new-geological-layer-of-technofossils.html Dibley, B., 2018. The technofossil: a memento mori. Journal of Contemporary Archaeology, 5(1), pp.44-52. https://www.researchgate.net/publication/325573088_The_Technofossil_A_Memento_Mori https://www.researchgate.net/profile/Ben_Dibley Zalasiewicz, J., Williams, M., Waters, C.N., Barnosky, A.D. and Haff, P., 2014. The technofossil record of humans. The Anthropocene Review, 1(1), pp.34-43. http://nora.nerc.ac.uk/id/eprint/506920/1/Zalasiewicz et al. 2014.pdf https://journals.sagepub.com/doi/abs/10.1177/2053019613514953 Yours, Paul H.
  5. geeliesegpalassla.480.pdf SILICA ENTRY AND ACCUMULATION IN STANDING TREES IN A HOT-SPRING ENVIRONMENT:CELLULAR PATHWAYS, RAPID PACE AND FOSSILIZATION POTENTIAL MORITZ LIESEGANG and CAROLE T. GEE Palaeontology, 2020, pp. 1–10 ahead-of-print/early view, not assigned to an issue yet In the past, Carole Gee has chaired several plant taphonomy symposia, BTW. read it, by all means NB: ambient temperature 50 degrees Celsius
  6. diplobelid taphonomy and ethology

    Predatory behaviour and taphonomy of a Jurassic belemnoid coleoid (Diplobelida, Cephalopoda) Dominique Jenny, Dirk Fuchs, Alexander I. Arkhipkin, Rolf B. Hauff, Barbara Fritschi & Christian Klug 1 pdf.pdf Nature,Scientific reports,9-2019
  7. HAMU Cameral deposits in Paleozoic cephalopods Harry Mutvei GFF, 2018 https://doi.org/10.1080/11035897.2018.1483966 4,7 MB category (qualitywise) :awesome* *certainly given author and source publication,but I'm aware there's personal prejudice involved in this judgment
  8. Weaverlagerstusacastlehaynecoleteinkernschweizerbartsclagers07.pdf Rarely seen coleoid phragmocone steinkerns form the Eocene Castle Hayne Limestone of Southeastern North Carolina Patricia Wever,Charles Ciampaglio,Richard Chandler Palaeontographica,Abt.A/279,Lfg 4-6/Stuttgart,may 2007
  9. PHYLUM SWITCH!!!a reassigment/revision

    SPONFLORA From animal to plant kingdom: the alleged sponge Siphonia bovista Geinitz from the Cretaceous of Saxony (Germany) in fact represents internal moulds of the cone-like plant fossil Dammarites albens Presl in Sternberg Birgit Niebuhr Bulletin of Geosciences 94(2), 221–234 (7 figures, 3 tables). size:about 14 Mb
  10. revista espanola de Paleontologia,extra/1992 Un cas remarkable d'epigenie chez une notanopliide(chonetacea,Brachiopoda) du Devonien de Bolivie epigenieaberradevonidiagenesrevesp(biomintapho)bolivamericatapho18. bRacheboeuf.pdf First off the bat:THIS deserves to be read A:burial in the sediment B:replacement of the secondary calcite layer by silica C: dissolution of carbonate of the secondary layer(NOT recrystallized),formation of clay minerals D: final state:dissolution of the external mould of both valves Selective,rapid centripetal diagenesis NB: spiriferids in the same concretion nearby do NOT show this form of preservation morphology: the decalcified specimens are SMALL and have a thick shell
  11. marine moo-ing no more

    Humberto Astibia, Aitor Payros, Xabier Pereda Suberbiola, Javier Elorza, Ana Berreteaga , Nestor Etxebarria, Ainara Badiola,Josep Tosquella Sedimentology and taphonomy of sirenian remains from the Middle Eocene of the Pamplona Basin (Navarre, western Pyrenees) Facies (2005) 50:463–475 AstibiaeocenpyreneesirenmammaFACIEStal2005a.pdf
  12. 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.
  13. 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.
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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.
  19. 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.
  20. 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.
  21. 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.
  22. 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.
  23. 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
  24. 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.
  25. 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.
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