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Found 19 results

  1. One if my favorite and cool dinosaur groups are alvarezsaurian with their unique forelimb. Here we have two new species being described from the early cretaceous of China, Xiyunykus pengi and Bannykus wulatensis. https://www.cell.com/current-biology/fulltext/S0960-9822(18)30987-4#.W370yzRIRZ4.twitter One of the first informational Topics I put together
  2. Xenoposeidon proneneukos is a sauropod dinosaur from the Early Cretaceous Hastings Group of England. It is represented by a single partial dorsal vertebra, NHMUK PV R2095, which consists of the centrum and the base of a tall neural arch. https://peerj.com/articles/5212/ Taylor MP. (2018) Xenoposeidon is the earliest known rebbachisaurid sauropod dinosaur. PeerJ 6:e5212
  3. Possible Maryland Arundel formation find

    Hi Guys, Thanks for the help on the Sturgeon ID last night folks. I have one more for you tonite, I acquired a supposed Possible early Cretaceous item from Prince George’s County Maryland. Anyway I could definitely use some help on this peculiar looking fossil. Thanks in advance folks I know somebody on the forum can nail this Alien looking creature down. The Cliff Dweller
  4. New Dinosaur from Arkansas

    A new species of dinosaur unique to Arkansas is being recognized by the scientific world thanks to an article published in today's Journal of Vertebrate Paleontology. Its an Ornithomimosaur called Arkansaurus fridayi and based on a metatarsal and partial foot. http://www.arkansasmatters.com/news/local-news/its-official-new-arkansas-dinosaur-named/1058934863 Paper for SVP members https://www.tandfonline.com/doi/abs/10.1080/02724634.2017.1421209?journalCode=ujvp20
  5. New Ankylosaur from China

    Paper describes the first definitive and the best preserved ankylosaurid dinosaur ever found in southern China, Jinyunpelta sinensis. Check out that weird hexagonal tail colub https://www.nature.com/articles/s41598-018-21924-7
  6. Short article on Victoria's dinosaurs that dealt with prolonged periods of darkness and below freezing temperatures. Analysis was based on looking at bone microstructures. https://phys.org/news/2018-01-australia-polar-dinosaurs.html Paper https://www.nature.com/articles/s41598-018-19362-6
  7. Utahraptor Project

    Trapped in an 18,000-pound block of quicksand now turned to stone is a hidden treasure of well-preserved Utahraptor fossils. Utahraptor ostrommaysorum is a large (around five meters or 18 feet long), feathered, predatory theropod dinosaur from Utah’s early Cretaceous (~124 million years ago). Utahraptors sported huge sickle claws on their second toes, with the largest specimen measuring at 22 cm (8.7”) long. Utahraptor is a dromaeosaurid dinosaur — popularly called “raptors” based on the Jurassic Park movie franchise shorthand for it's sickle-clawed stars. The illustration below shows the suspected setting for the origin of this amazing fossil block. Bones of an iguanodontid dinosaur that was also believed to have gotten mired in quicksand. So far bones from perhaps six individual Utahraptors have been found and they think were attracted to the quicksand mire by the easy prey and we're trapped. This block could provide evidence for pack hunting behavior in Utahraptors Funding is required to keep the project moving The setting, Utahs badlands the Cedar Mountain Formation initial discovery Sickle Claw visible More initial discoveries Jaw fragment Dentary Utahraptor Project Link to learn much more about what is going on. http://utahraptors.utahpaleo.org/#gallery
  8. New fossil croc from Turkey

    A new paper is available online that will surprise all of you: Stéphane Jouve; Volkan Sarıgül; J.-Sébastien Steyer; Sevket Sen, 2017. The first crocodylomorph from the Mesozoic of Turkey (Barremian of Zonguldak) and the dispersal of the eusuchians during the Cretaceous. Journal of Systematic Palaeontology. Online edition. doi:10.1080/14772019.2017.139346. I remember that Turkey has yielded the remains of the extinct ape Ankarapithecus but also extinct rodents, but the discovery of Turcosuchus may surprise some paleontologists due to its location in northern Anatolia and the rugged, mountainous terrain of Anatolia. However, it is important to note that the vast majority of Mesozoic deposits in the Mideast are marine in origin, and that Embasaurus and Karatausuchus are the only archosaur species described from Oxfordian-Barremian deposits in Central Asia so far. However, the occurrence of Hylaeochampsidae in Europe indicates that some primitive eusuchians made it to Europe from Central Asia via Anatolia, considering that tetrapod fossils have been found in Early Cretaceous bauxite deposits in Romania.
  9. Something different, a Sauropod skin impression from their footprint from the early Cretaceous of Korea (link: https://www.nature.com/articles/s41598-017-16576-y.pdf) nature.com/articles/s4159…
  10. Gastroclupea branisai Signeux, 1964

    From the album Vertebrates

    Gastroclupea branisai Signeux, 1964 Early Cretaceous El Molino Formation Pajchapata Cochabamba Bolivia Lit.: Giuseppe Marramà & Giorgio Carnevale (2017) The relationships of Gasteroclupea branisai Signeux, 1964, a freshwater double-armored herring (Clupeomorpha, Ellimmichthyiformes) from the Late Cretaceous-Paleocene of South America, Historical Biology, 29:7, 904-917, DOI: 10.1080/08912963.2016.1262855 Reconstruction of Gastroclupea branisai by Giuseppe Marramà & Giorgio Carnevale
  11. Dastilbe crandalli

    From the album Purchased/Gift Fossils

    An inexpensive auction site find! Dastilbe crandalli Early Cretaceous Crato Formation, Araripe Basin, Ceara, Brazil.

    © 2017 Tim Jones

  12. I have a coprolite from Sihedang Town, Chaoyang City, Liaoning Province, China. The preparation was bad, and the coprolite itself came free of the matrix during shipping. Since it was a good sacrificial piece, I decided to dig around. I found this tooth, but unfortunately, I broke it before I was able to extract it or get a microscopic image. Any guesses? The coprolite contains no scales, but there are fish bones and vertebrae partially exposed. Thanks in advance for any help you can offer.
  13. Coprolite?

    Hello everyone, Today I was going through all my older fossils, and I found this in my box of ammonites. Obviously this isn't one, and I must have put it in that box by mistake. It looks a lot like a coprolite to me, but I have no clue from what animal. Unfortunately I don't remember anymore where I found it. There are two possibilities: either from Lyme Regis (UK), or from one of the Cretaceous beaches on the Isle of Wight. Any clue to what it could be, and maybe what location? Best regards, Max
  14. Iguanodonts in Alberta

    Interesting find leads researches to speculate that Iguanodonts were in Canada? Footprints found in the Gladstone Formation of Southwest Alberta appear to be the first piece of evidence that the range of Iguanodonts was global. The footprints are similar to Iguanodon bernissartensis which is found in the UK. https://www.paleowire.com/just-out-the-first-evidence-of-iguanodontids-dinosauria-ornithischia-in-alberta-canada-a-fossil-footprint-from-the-early-cretaceous-cretaceous-research/ The first evidence of iguanodontids (Dinosauria: Ornithischia) in Alberta, Canada – A fossil footprint from the Early Cretaceous Donald M. Henderson $$$ http://www.sciencedirect.com/science/article/pii/S0195667117300952
  15. A short video on a basal ceratopsian from the Cloverly Formation: Aquilops americanus
  16. Scientists have just reported a new genus and species of sail-backed iguanodont from the Early Cretaceous of Spain: http://www.reuters.com/article/us-science-dinosaur-idUSKBN0TZ2UP20151216 The discovery of Morelladon isn't the first time a sail-backed iguanodont has been reported from Spain. A slightly older iguanodont from Spain had been reported in the 1990s, but it wasn't until 2011 that it was fully described in detail. Due to the discovery of Delapparentia (which is distinct from Iguanodon and Mantellisaurus specimens from Spain), it's now clear that more than two iguanodont species lived in Spain during the Barremian. Morelladon further illuminates the evolution of iguanodonts in Europe during the Cretaceous by showing that a handful of European iguanodonts had sails like Ouranosaurus. It's kind of interesting how some iguanodonts have names ending with -don, as in Owenodon, Mantellodon, and Dakotadon, and others don't, like Mantellisaurus, Hypselospinus, and Barilium.
  17. Fossils Or What?

    I have taken a photograph of some peculiar traces or artifacts on an early Cretaceous carbonate beach. I can't figure out what they represent. You can see the photograph on my blog. http://mesozoicmosaic.blogspot.com/ Any suggestions, please?
  18. A news article concerning a new ornithomimosaur site from the Early Cretaceous of France..... http://www.sudouest.fr/2013/08/21/des-dinos-et-des-pinceaux-1146355-811.php The French ornithomimosaur represents the second confirmed record of an Early Cretaceous ostrich-mimic from Europe and may provide another insight into the biogeography of the earliest ornithomimosaurs, as Nqwebasaurus has been recently considered an ornithomimosaur and Pelecanimimus is by far the only European ornithomimosaur named so far. I wouldn't be surprised if we find an ostrich mimic in the Wealden of England or the Cedar Mountain Formation of Utah. Who knows?
  19. Ichthyosaur Fossil Site In Iraq

    The discovery of the Early Cretaceous ichthyosaur Malawania surprised me because fossil discoveries in Iraq have long been hampered by the legacy of Saddam Hussein's tyranny and bloodshed in Iraq that was perpetrated by Al-Qaeda against the Shiites after the 2003 US invasion. Why's it taken so long for the palaeontological community to find an Early Cretaceous marine reptile in the Middle East even though it's known that Iraq was submerged beneath the Tethys Ocean in the Mesozoic? Would it be cost-effective for the Iraqi oil industry to search for marine reptiles in the Cretaceous strata in Iraq?