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The Palaeontology thread |
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#526 |
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Join Date: Feb 2014
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A couple of recent articles from the Laelaps blog on National Geographic.
http://phenomena.nationalgeographic....-the-mastodon/ http://phenomena.nationalgeographic....dy-prehistory/ |
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#527 |
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Join Date: Feb 2014
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A few articles about the colossal Ammonite Parapuzosia seppenradensis with an estimated shell width of 2.55 to 3.5 metres and a minimum weight of around a ton and a half this great cephalopod was slighty bigger than the ones you can find on the beach.
![]() http://www.prehistoric-wildlife.com/...rapuzosia.html http://www.paleonature.org/education...il-of-the-year http://en.wikipedia.org/wiki/Parapuzosia_seppenradensis And some superb size charts also featuring the gigantic Orthoconic cephalopod genus Cameroceras in a thread on Tonmo. https://www.tonmo.com/community/thre...mmonite.17222/ A few articles on that massive beast are here. http://www.prehistoric-wildlife.com/...meroceras.html http://en.wikipedia.org/wiki/Cameroceras Finally a list of giant prehistoric cephalopods. http://pristichampsus.deviantart.com...pods-440058910 |
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#528 |
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Join Date: Feb 2014
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One of the largest carnivorous dinosaurs that you have never heard off - the massive hump backed sauropod hunter Acrocanthosaurus atokensis.
It is also one of the few giant theropods to be known from an almost complete skeleton. http://en.wikipedia.org/wiki/Acrocanthosaurus http://www.prehistoric-wildlife.com/...thosaurus.html http://www.bhigr.com/store/home.php?cat=28 Some excellent reconstructions of which the first is my favourite because of the plumage. ![]() http://fc00.deviantart.net/fs71/i/20...is-d5kvkj2.jpg http://fc04.deviantart.net/fs71/i/20...on-d373jm1.jpg http://fc03.deviantart.net/fs71/i/20...es-d4g5ful.jpg http://www.csotonyi.com/Acrocanthosaurus_atokensis.jpg This one is almost impressionist - very atmospheric In my opinion. http://fc00.deviantart.net/fs70/f/20...y_rhill555.jpg |
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#529 |
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Join Date: Jul 2011
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Quote:
For the last couple of months I've had a Tyrannosaurus Rex pic as my wallpaper.
It's a specimen from the Field Museum of Natural History in Chicago: http://upload.wikimedia.org/wikipedi...s_skeleton.jpg What I love about the tyrannosaur family is how varied and prolific it is. One of the most interesting of all dinosaur families imo. |
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#530 |
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Join Date: Jul 2011
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Here's a great story from this morning. Computer programmer finds full ichthyosaur in Wales.
Better than binary any day! http://www.bbc.co.uk/news/uk-wales-s...wales-30522904 http://www.bbc.co.uk/nature/life/Ichthyosaur |
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#531 |
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Quote:
I'd love to go see Sue in Chicago.
What I love about the tyrannosaur family is how varied and prolific it is. One of the most interesting of all dinosaur families imo. And just for you here is some Tyrannosaurus rex porn - sadly no huge 70's tashes but there is a link to some cheesy music to go with the illustration! ![]() https://luisvrey.files.wordpress.com...6/tyr-sexb.jpg https://www.youtube.com/watch?v=4fYfdlKIon4 |
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#532 |
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Join Date: Oct 2012
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Couple of articles: One on recovery post-Permian extinction
http://news.yahoo.com/low-oxygen-hob...115752898.html not adding much, but a simple review. Loved the comment "In the first 500,000 years [after the die-off], the animals were not happy" ![]() and one on pyritisation of fossils http://news.yahoo.com/fools-gold-pre...113005674.html |
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#533 |
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Join Date: Feb 2014
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A couple of people's personal top ten paleontological discoveries of 2014 - some good choices in my opinion.
http://megabass22.deviantart.com/jou...2014-498821936 http://lordofstamps.deviantart.com/j...2014-500698883 |
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#534 |
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The highly diverse Tyrannosaurid family tree.
Every one of these species is absolutely fascinating in their own right - look them all up if you are at all interested in these advanced theropods. ![]() http://australianmuseum.net.au/Uploa...ily%20tree.jpg |
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#535 |
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Join Date: May 2009
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New research shows dinosaurs adapted very well to the cold at first
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#536 |
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Quote:
New research shows dinosaurs adapted very well to the cold at first
![]() http://fc07.deviantart.net/fs71/i/20...ck-d5njbv4.jpg |
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#537 |
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A nice article on Giganotosaurus carolinii - currently the closest rival to Tyrannosaurus rex as far as carnivorous dinosaur body mass is concerned (now that Spinosaurus has been found to weigh a 'mere' 7 tons).
Whenever a new species of enormous theropod is discovered it gets overhyped by the media as being bigger than rex. But every single time this has eventually proven to be not the case (so far). Acrocanthosaurus, Giganotosaurus, Carcharadontosaurus, Mapusaurus, Tyrannotitan and Spinosaurus. Rex was heavier than all of the leading contenders (if very slightly shorter than a couple) although it is quite close and I suspect that rex and the others approached the biomechanical limits for a terrestrial predator. However rex was more heavily built, probably faster, had a relatively huge brain, more advanced binocular vision, bigger teeth and a far more powerful bite when compared to the others. Still the King (or Queen as the females were probably larger)? In my eyes - yes. ![]() http://mentalfloss.com/article/59815...giganotosaurus |
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#538 |
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#539 |
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Join Date: May 2003
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A brief review of the past year in human DNA research:
https://www.sciencenews.org/article/...reveal-secrets |
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#540 |
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Join Date: Aug 2011
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Quote:
I like it. Though I don't post much in this thread, I do like dipping in occasionally to read new articles. |
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#541 |
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Join Date: Oct 2012
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HAPPY CHRISTMAS KS.
Christmas present for you: astounding find of Acanthodes with eye tissue intact that adds to out knowledge of vision http://news.yahoo.com/ancient-eye-ce...164945078.html http://www.dailymail.co.uk/sciencete...ods-cones.html and a new reveal on the genetics of how limbs evolved, with reference to and library pics of the tetrapod Tiktaalik: http://www.dailymail.co.uk/sciencete...rawl-land.html Both Daily Mirror
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#542 |
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Join Date: Feb 2014
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Quote:
HAPPY CHRISTMAS KS.
Christmas present for you: astounding find of Acanthodes with eye tissue intact that adds to out knowledge of vision http://news.yahoo.com/ancient-eye-ce...164945078.html http://www.dailymail.co.uk/sciencete...ods-cones.html and a new reveal on the genetics of how limbs evolved, with reference to and library pics of the tetrapod Tiktaalik: http://www.dailymail.co.uk/sciencete...rawl-land.html Both Daily Mirror ![]() ![]() A busy to post much over the last day or so for obvious reasons. Anyway in true Tyrannosaur (but not too festive) style - Happy Christmas to anyone who enjoys reading this thread. ![]() http://fc02.deviantart.net/fs71/i/20...an-d8axdfy.jpg |
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#543 |
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Quote:
I like it.
Though I don't post much in this thread, I do like dipping in occasionally to read new articles.
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#544 |
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Inactive Member
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#545 |
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Quote:
![]() Father Christmas looks suspiciously like Charles Darwin here. ![]() http://fc07.deviantart.net/fs70/i/20...i1-d5p6ay3.png |
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#546 |
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Quote:
![]() Father Christmas looks suspiciously like Charles Darwin here. ![]() http://fc07.deviantart.net/fs70/i/20...i1-d5p6ay3.png |
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#547 |
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Quote:
Though when Darwin came up with his theory he didn't have a beard.
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#548 |
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Just to keep the thread ticking over.
![]() http://www.cbc.ca/news/technology/di...saur-1.2878979 http://www.nbcnews.com/science/scien...covery-n271826 http://www.krank.ie/category/sci/nat...coveries-2014/ |
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#549 |
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A huge 12 metre long skeleton of a robust-morph, mature (probably female) T.rex is to be displayed at Leiden.
http://www.naturalis.nl/en/news/coll...l-come-leiden/ A nice video talk on the beast and why palaeontology is important in todays world. https://www.youtube.com/watch?v=NRQFkR7I8RE I do love Tyrannosaurus rex - and this beautiful black and white reconstruction of an adorable little baby shows why. ![]() http://fc07.deviantart.net/fs71/f/20...dd-d8abwvm.jpg At the other end of the scale another nice photo showing the sheer size of the monstrous, 12.3 metres long, 10 ton + Sue. http://upload.wikimedia.org/wikipedi...eld_Museum.jpg |
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#550 |
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Join Date: May 2004
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Yes, it's Trilobitomorpha time with this picture here: http://tinypic.com/r/fq4hz/8
The creature on the right is a late origin fossil trilobite from the early Carboniferous period and it was a surprise Christmas present for me. It's next to a 15cm/6ins ruler for scale with my best ammonite fossil on the other side. More about the long lasting trilobites here http://en.wikipedia.org/wiki/Trilobite and there's an evolutionary diagram here http://www.trilobites.info/triloclass2009.png. |
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