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Found 14 results

  1. doushantuo

    cretaceous,USA,Pisces

    A new large Late Cretaceous lamniform shark from North America, with comments on the taxonomy, paleoecology, and evolution of the genus Cretodus Kenshu Shimada &Michael J. Everhart Article: e1673399 | Received 30 Nov 2018, Accepted 09 Sep 2019, Published online: 18 Nov 2019 LINK (description of Cretodus houghtonorum n.sp) edit:5,30 MB,or thereabouts relevant: Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character Vol. 210 (1921), pp. 311-407 V I I I .— On the Calcificati
  2. We had two really great Dinosaur programs this week. We have two more Dino programs and a shark program next week too so things are rolling along very nicely for us. I did notice this week that we are missing out on an opportunity to give a broader picture of the paleoecology of the dinosaur era. The kids yesterday wanted to see Pterosaur and marine reptile fossils. We had a chance to really explain the difference between those reptiles and dinosaurs because we have yet to acquire those fossils. I wanted to open this topic to TFF members because I respect the knowledge of fossils a
  3. 600 Million Years Ago, the First Scavengers Lurked in Dark Ocean Gardens, By Asher Elbein, New York Times https://www.nytimes.com/2018/11/30/science/ediacaran-period-predators.html The bizarre organisms of the Ediacaran Period have long puzzled researchers. Fossil discoveries suggest these ecosystems may have been more complicated than once thought. The paper is: James G. Gehling, Mary L. Droser, 2018, Ediacaran scavenging as a prelude to predation. Emerging Topics in Life Sciences. 2 (2) 213-222; DOI: 10.1042/ET
  4. Now that we know it wasn't Gastornis, where does that leave the top predator niche in the area?
  5. The Amateur Paleontologist

    A bit of quantitative paleoecology

    Just got this new idea for a future MKFRP research avenue Basically, on the beach near the cliffs, there is this area filled with small bits of fossils washed out from the chalk (the so-called "washout zone"). I'll make a sampling of that area, with a few control variables included (i.e. sampling area, maximum sampling depth, fossil size class, quantity of fossils). The sampling will be done by scooping washout material with a bucket & spade, bringing it home and then picking out individual fossils. Based on the fossils collected, I'll then establish relative faunal abundances
  6. The Amateur Paleontologist

    Permian fossilised food chain

    Hey everyone You guys might already know about this, but since this fossil is so wonderful, I decided I'd share this paper on TFF (it's kind of old news, but it's a really fascinating find). The paper describes a xenacanth shark (Triodus sessilis) with two temnospondyl tetrapods (Cheliderpeton latirostre and Archegosaurus decheni) as gut content. One of those temnospondyls had ingested an acanthodian fish (Acanthodes bronni) which is also preserved in the fossil. Basically, a "fish in an amphibian in a shark". The specimen was collected from the Permian of Lebach (southwestern Ger
  7. Dinosaurs ended - and originated - with a bang ? In the new paper, published today in Nature Communications, evidence is provided to match the two events – the mass extinction, called the Carnian Pluvial Episode, and the initial diversification of dinosaurs Press release http://www.bristol.ac.uk/news/2018/april/dinosaurs-ended-and-originated-with-a-bang-.html Paper https://www.nature.com/articles/s41467-018-03996-1
  8. Was the Bering Land Bridge a good place to live? By Ned Rozell, University of Alaska Fairbanks, February 24, 2018 https://www.adn.com/alaska-news/science/2018/02/24/was-the-bering-land-bridge-a-good-place-to-live/ Was the ice age's Bering Land Bridge a good place to live? By Ned Rozell, University of Alaska Fairbanks, February 28, 2018 http://www.valdezstar.net/story/2018/02/28/main-news/was-the-ice-ages-bering-land-bridge-a-good-place-to-live/1842.html Yours, Paul H.
  9. FumegtCORRECTEDPROOF (1).pdf given the roster of authors and the source publication:HIGHLY recommended/about 2,9 Mb One new avimimid named figs 1 & 12 are a hoot, and pretty useful. Cranial & postcranial material ,BTW
  10. Kornei, Katherine, 2018, Signatures of Dinosaur Poop Found in Cretaceous Coal Seams. EOS Earth and Space News, vol. 99, no. 1, p. 5. https://eos.org/wp-content/uploads/2017/12/Jan-18_magazine.pdf https://eos.org/current-issues https://eos.org/articles/signatures-of-dinosaur-poop-found-in-cretaceous-coal-seams Doughty, C.E., 2017. Herbivores increase the global availability of nutrients over millions of years. Nature ecology & evolution, 1(12), pp. 1820-1827. https://www.nature.com/articles/s41559-017-0341-1 Yours, Paul H.
  11. doushantuo

    Muito obrigado

    GSAILL raison d' etre for this post : -classic locality -an in-depth analysis -I might be wrong,but for those who collect at/near/in this area,there's a lot of useful information in this thesis VERY NICE WHEELER DIAGRAM
  12. Life in the Precambrian may have been much livelier than previously thought Vanderbilt University, May 19, 2017 https://www.sciencedaily.com/releases/2017/05/170519084411.htm https://news.vanderbilt.edu/2017/05/18/life-precambrian-livelier/ "The strange creatures that lived in the Garden of the Ediacaran more than 540 million years ago, before animals came on the scene, may have been much more dynamic than experts have thought." The paper is: Darroch, S., A. F., I. A. Rahman, B. Gibson, R. A. Racicot, and M. Laflamme, 2017
  13. 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 September 10, 2016
  14. Hi all, I've been a member here for a while now and posted mostly about what I do with fossils for fun. This is what got me started as a kid interested in this whole thing. Splitting open a rock and being the first human to see the remains of a long-dead life form. I always knew I wanted to be a palaeontologist, but imagined myself as the more "traditional" palaeontologist out in the field probably extracting large vertebrate fossils from hard rock laid down millions of years ago. I thought I would start this thread to share some of my work with fossils that I do for a living. This is a lit
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