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Found 12 results

  2. I've seen them in docs and in books but never in a complete form. Usually it's a graphic of a certain branch to elaborate on the subject or species of topic, but I was wondering if there were websites or info that was encyclopedic and all encompassing as we know it so far. I've tried to look around for it on the web but never came upon anything beyond WIKI (LOL), but in todays modern world I would have thought there would be a clear and informative and concise website with an aggregated collection of what science knows to this point. You can go on a gazillion websites and order anything from tools to clothing to food and see the complete product listings, sort them by price or rating, etc., some even with A.I. that anticipates your next search, yet this information eludes me, and my searches have gone fruitless. Are there any sites you would suggest looking at? Is it just not available? Do you have to take a paleo college course to get near this kind of info?
  3. A study looked at the morphology of the inner ears of living and extinct hominoids (living hominoids includes humans, chimpanzees, orangutans, gorillas etc). Using a 3D imaging technique, the team were able to capture the complex shape of the inner ear cavities among 27 species of monkeys and apes including humans, the extinct ape Oreopithecus & the fossil hominim Australopithecus. The findings showed that the shape of these structures reflected the relationship between the species and not how they moved. The findings confirmed that the inner ear of Australopithecus resembled like that in modern humans than other apes, supporting the consistent view of a close evolutionary relationship between Australopithecus and modern humans and that Oreopithecus was a much older species of ape somewhat related to other modern apes. eLife. "Apes' inner ears could hide clues to evolutionary history of hominoids: New findings highlight the potential of the inner ear for reconstructing the early branches of our family tree." ScienceDaily. ScienceDaily, 3 March 2020. https://www.sciencedaily.com/releases/2020/03/200303113352.htm?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fpaleontology+(Paleontology+News+--+ScienceDaily) The journal article is listed below and is open access https://elifesciences.org/articles/51261 1. Alessandro Urciuoli, Clément Zanolli, Amélie Beaudet, Jean Dumoncel, Frédéric Santos, Salvador Moyà-Solà, David M Alba. The evolution of the vestibular apparatus in apes and humans. eLife, 2020; 9
  4. A new study shows that stony corals, which provide food and shelter for almost a quarter of all ocean species, are preparing for a major extinction event. Researchers identified an increased prevalence of certain traits found with previous extinction-survival characteristics among corals. By studying the fossil record of coral skeletons, they were able to determine that corals are showing some survival traits that match the last major extinction event 66mya. These traits include an increase in deep water residence, cosmopolitan distributions, smaller colonies, non-symbiotic relationship to algae and higher resistance to bleaching. The study also discusses in detail the comparison to primates and discusses how primates don't show the same survival characteristics that some corals do. Finally the authors state that the corals that are likely to survive extinction are less likely to be from tropical coral reefs and more likely to be from smaller, solitary, slower growing & deep dwelling corals. https://www.sciencedaily.com/releases/2020/03/200303113246.htm Gal Dishon, Michal Grossowicz, Michael Krom, Gilad Guy, David F. Gruber, Dan Tchernov. Evolutionary Traits that Enable Scleractinian Corals to Survive Mass Extinction Events. Scientific Reports, 2020; 10 (1) - the article is open access https://www.nature.com/articles/s41598-020-60605-2#rightslink
  5. 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.
  6. https://scitechdaily.com/paleontologists-discover-odd-shrimp-that-fills-hole-in-fossil-record/amp/ Enjoy!
  7. The fossil record of Antarctic land mammals

    Gelfo, J.N., Goin, F.J., Bauza, N., and Reguero, M., 2019. The fossil record of Antarctic land mammals: commented review and hypotheses for future research. Advances in Polar Science. 30(3): 251-273 doi: 10.13679/j.advps.2019.0021 (open access) http://www.aps-polar.org/paper/2019/30/03/A190814000002 PDF: http://www.aps-polar.org/paper/2019/30/03/A190814000002/full Gelfo, J.N., López, G.M. and Santillana, S.N., 2017. Eocene ungulate mammals from West Antarctica: implications from their fossil record and a new species. Antarctic Science, 29(5), pp.445-455. (open access) https://www.researchgate.net/publication/318350360_Eocene_ungulate_mammals_from_West_Antarctica_implications_from_their_fossil_record_and_a_new_species https://www.researchgate.net/profile/Javier_N_Gelfo Yours, Paul H.
  8. A new normal: Study explains universal pattern in fossil record, Santa Fe Institute, June 26, 2019 https://www.sciencedaily.com/releases/2019/06/190626160341.htm http://www.terradaily.com/reports/A_new_normal_Study_explains_universal_pattern_in_fossil_record_999.html https://www.eurekalert.org/pub_releases/2019-06/sfi-ann061919.php The paper is: Rominger, A.J., Fuentes, M.A. and Marquet, P.A., 2019. Nonequilibrium evolution of volatility in origination and extinction explains fat-tailed fluctuations in Phanerozoic biodiversity. Science Advances, 5(6), p.eaat0122. (open access paper) https://advances.sciencemag.org/content/5/6/eaat0122.abstract Yours, Paul H.
  9. I've been curious about this for a long time. Nowadays, we know that oceanic trenches aren't the desolate aquatic wastelands we thought them to be, and there are animals living down there. Considering their rather extreme geologic environment I'm wondering, if it is even possible, whether they left any discernible fossil-bearing facies in the record at all? Or just discernible facies, period. A cursory search yielded no results for me. As far as I can see, sedimentation rates would be low, and any newly-formed sedimentary rocks would just get subducted and destroyed very quickly (in geological time). The only mechanism I could imagine for their preservation would be if marine snow was deposited in big enough amounts to form limestone, and if said limestone was then accreted onto the neighboring plate, rather than subducted under it. Could something like this work? Is there any literature concerning this topic, at all?
  10. Wiliam E. Bemis: "This paper briefly explores concepts of species of “fishes” in the fossil record . For an evolutionary biologist also interested in systematics, it is impossible to study any fossil species without careful study of and reference to extant species. Thus, this paper is informed by anatomical comparisons to extant fishes as well as their nomenclatural history, as exemplified by the Catalog of Fishes (Eschmeyer, 1998a, 2015), with the goal being synthesis of neontological and paleontological perspectives. The enormous literature on species concepts, speciation and systematic philosophy includes contributions specifically focused on fishes, such as papers in Ruffing et al. (2002) or Harrington and Near (2012), as well as a recent general treatment by Wilkins (2009) and extended discussions in Wiley and Lieberman (2011). But in this paper, I am chiefly concerned with practicality, for in my view, species names in the fossil record of fishes are primarily tools for discovery and organized study of paleodiversity and for communicating that information to others. Darwin (1859: 485) considered that species names, like generic names, are primarily about convenience, and convenience is important whether you are studying extant or extinct organisms." https://www.researchgate.net/publication/310934344_Species_and_the_Fossil_Record_of_Fishes
  11. oddballs,miscellaneous,incertae sedis

    In this thread I propose to post fossils(including dubio-and pseudofossils) of uncertain affinities,OR have a very sporadic fossil record,OR might be new to members of this forum . A lot of the times this will mean fossils from Lagerstatte,so considerations/musings on taphonomy will be in these articles as well Kinorhynchids(Cycloneuralia ,China): ZhangHuaqScientificReports.pdf Nematoda (age:ordovician/China): balin2013nematoda.pdf
  12. A recent panel discussion (part of Darwin Days sponsored by the Paleontological Research Institution and Cornell University in Ithaca, NY, may be of interest: http://www.thisviewoflife.com/index.php/magazine/articles/992/did-invasions-occur-in-the-fossil-record?goback=.gde_108426_member_217138337