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  • A pair of Yuanyanglong were found together in the summer of 2021 after fossilizing together for 100 million years. Plus our Dino Duels continue

    For links to every news story, all of the details we shared about Phuwiangosaurus, and our fun fact check out https://iknowdino.com/Phuwiangosaurus-Episode-532/

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    Dinosaur of the day Phuwiangosaurus, the first sauropod named from Thailand.

    In dinosaur news this week:

    There’s a new oviraptorosaurian dinosaur, Yuanyanglong bainian, the "lovebird dragon"

     

    This episode is brought to you by the Colorado Northwestern Community College. Join them for two weeks digging up dinosaur bones from the Jurassic Period in Northwest Colorado this summer. For details go to CNCC.edu/dinodig

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  • The sauropodomorph Ahvaytum is several million years older than any previously known dinosaur from Laurasia. And there are some even older tracks. Plus the results of the sweet sixteen round of our dino duels bracket.

    For links to every news story, links to our new book, and our fun fact check out https://iknowdino.com/200_years_of_dinosaurs-Episode-531/

    Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.

    200 years of dinosaurs, our book titled I Know Dino! will be published soon with National Geographic Kids! Pre-order your copy at https://bit.ly/ikdbook2025 if you tell us you ordered it at https://bit.ly/iorderedthebook we'll send you an addendum with a dozen more dinosaurs we had to cut from the book.

    In dinosaur news this week:

    A new sauropodomorph shows that dinosaurs were living in the northern hemisphere way earlier than previously thought

     

    This episode is brought to you by the Colorado Northwestern Community College. Join them for two weeks digging up dinosaur bones from the Jurassic Period in Northwest Colorado this summer. For details go to CNCC.edu/dinodig

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  • Huaxiazhoulong is one of the most complete ankylosaurs ever found (except for the head). Plus "Apex" the extremely expensive Stegosaurus is now on public display.

    For links to every news story, all of the details we shared about Pawpawsaurus, and our fun fact check out https://iknowdino.com/Pawpawsaurus-Episode-530/

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    Dinosaur of the day Pawpawsaurus, an ankylosaur with a well preserved skull which preserved the first nodosaurid eyelids.

    In dinosaur news this week:

    The most expensive dinosaur ever sold at auction, the Stegosaurus "Apex", is now on display at the American Museum of Natural History.The new ankylosaur, Huaxiazhoulong shouwen, is nearly complete (from the shoulders back).

     

    This episode is brought to you by the Colorado Northwestern Community College. Join them for two weeks digging up dinosaur bones from the Jurassic Period in Northwest Colorado this summer. For details go to CNCC.edu/dinodig

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  • Happy March! We're celebrating with a friendly Dino Duels Competition. Fill out a bracket to predict which dinosaur will win their matchups and you could win a prize!

    For links to every news story, all of the details we shared about Cumnoria, and our fun fact check out https://iknowdino.com/Cumnoria-Episode-529/

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    Dinosaur of the day Cumnoria, another dinosaur that was considered to be Camptosaurus for a while.

    Here are the steps to enter the Dino Duels Competition:

    Check out our interactive Dinosaur Bracket at bit.ly/dinoduelsbracket and predict the dinosaur championsThen copy over your picks and submit them in the Google Form by March 11, 2025 at bit.ly/dinoduelspicksGo to bit.ly/dinoduelsrules for all the rules for the Dino Duels Competition

     

    This episode is brought to you by the Colorado Northwestern Community College. Join them for two weeks digging up dinosaur bones from the Jurassic Period in Northwest Colorado this summer. For details go to CNCC.edu/dinodig

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  • Dinosaurs had a complex relationship with fungi and plants. We explore whether dinosaurs ate psychedelics, if they aided plant evolution, and even a carnivorous fungus.

    For links to the main sources, all of the details we shared about Jeholornis, and our fun fact check out https://iknowdino.com/Jeholornis-Episode-528/

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    Dinosaur of the day Jeholornis, the first known bird to eat fruit.

    Some of the main topics in this episode:

    The psychotropic fungus ergot in the CretaceousFungi in dinosaurian (Isisaurus) coprolitesDinosaurs feeding on flowering plantsDinosaur—angiosperm coevolution revisited"Hunting the Snark: the flawed search for mythical Jurassic angiosperms"Angiosperm evolution using phylogenomicsPossible pre-Cretaceous origin of flowering plantsAncient pollen that may be from angiospermsHow the end-Cretaceous extinction led to modern rainforestsHow plants fared after the end-Cretaceous mass extinction

     

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  • Zofia led several expeditions to Mongolia where her team discovered hundreds of mammals and dinosaurs including Deinocheirus and the Fighting Dinosaurs (a velociraptor and Protoceratops who appear to have fossilized in the middle of a fight to the death).

    For links to every news story, all of the details we shared about Deinocheirus (revisited), and our fun fact check out https://iknowdino.com/Deinocheirus (revisited)-Episode-527/

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    Dinosaur of the day Deinocheirus (revisited), a dinosaur that was once considered fearsome, but now more goofy. It's a unique herbivorous theropod with enormous arms and claws.

    Two great books written by Zofia:

    In Pursuit of Early MammalsHunting for dinosaurs

     

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  • The "thunder lizard" may be the most well-known sauropod. It has been regularly featured in movies for over a century and would have been an awesome sight to behold in the Jurassic.

    For links to every news story, all of the details we shared about Astrophocaudia, and our fun fact check out https://iknowdino.com/Astrophocaudia-Episode-526/

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    Dinosaur of the day Astrophocaudia, a roughly 20 ton sauropod that lived in the Early Cretaceous alongside Sauroposeidon.

     

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  • Dean Lomax joins to discuss Ichthyotitan, the largest known reptile of all time which he recently described. Plus the Rutland Sea Dragon, Executive Producing Why Dinosaurs?, and more.

    For a photo of us with Dean Lomax, all of the details we shared about Aristosuchus, and our fun fact check out https://iknowdino.com/Aristosuchus-Episode-525/

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    Dinosaur of the day Aristosuchus, a small (likely fuzzy) dinosaur that lived in the Early Cretaceous in what is now England.

    Interview with Dean Lomax, an award-winning paleontologist, author, and presenter, as well as Honorary Research Fellow at The University of Manchester & 1851 fellow at the University of Bristol. He’s the leading authority on ichthyosaurs, and he also excavates and researches dinosaurs. Check him out on Instagram @Dean_R_Lomax or Facebook or twitter or on his website at deanrlomax.co.uk

    Some of the things we discuss with Dean Lomax this week:

    His upcoming work on the Rutland sea dragonIchthyotitan, which is possibly the largest marine reptile to ever swim the earthExecutive Producing the Why Dinosaurs? Documentary

     

    We're celebrating 10 years of podcasting by sending out Allosaurus patches! Join our patreon at the Triceratops tier or above by the end of February 2025 to get the exclusive Allosaurus patch. If you're already a patron at the Triceratops level or above make sure to update your address so we can send it to you! patreon.com/iknowdino

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  • The current evidence for dinosaur mating displays, reproduction, walking, and running. Featuring chickens with artificial tails!

    For links about dinosaur dancing, all of the details we shared about Valdosaurus, and our fun fact check out https://iknowdino.com/Valdosaurus-Episode-524/

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    Dinosaur of the day Valdosaurus, an iguanodont that lived in the Early Cretaceous.

    Some of the topics we discuss in this episode are:

    "Display arenas" showing potential courtship ceremonies in Cretaceous rockTwo oviraptorosaur tails that may show differences between males and females (males with tail-shaking muscles)Dinosaur "dance floor" of tracks that seem to show stopping and crouching behaviorsA simulation of the enormous sauropod Argentinosaurus walking

     

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  • A huge year for stegosaurs and theropods!

    For links to every news story, all of the details we shared about Yinlong, and our fun fact check out https://iknowdino.com/Yinlong-Episode-523/

    Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.

    Dinosaur of the day Yinlong, one of the earliest known ceratopsians.

    Our top stories of 2024:

    Best new tyrannosaur: AsiatyrannusBest new tyrannosaur (runner up): Tyrannosaurus mcraeensisBest new titanosaur: BustingorrytitanBest new titanosaur (runner up): QunkasauraBest new ankylosaur: DataiBest new abelisaur: KolekenBest new ceratopsian: LokiceratopsBest new (maybe) burrowing dinosaur: FonaBest new ornithopod (most complete found in UK in 100 years): ComptonatusBest new theropod brow: AlpkarakushBest sauropod vertebra (and best rebbachisaurid): SidersauraBest new rebbachisaurid (runner up): CampananeyenBest noasaurid theropod: KiyacursorBest new caenagnathid: EoneophronBest new sleeping dinosaur: HypnovenatorMost basal rhabdodontomorph ornithopod: EmiliasauraBest new silesaurid: GondwanaxMost expanded dinosaur group: Stegosauria. Including: Thyreosaurus, Baiyinosaurus, Angustungui, & YanbeilongCoolest discovery story: MusankwaMost tenacious fossil: ArdetosaurusMost exciting new Mesozoic bird: ShuilingornisBest bird names: Avisaurus ("bird lizard") and Magnusavis ("big bird")Fastest name change: "Jingjia" renamed JingiellaGarret's favorite Dinosaur Connection Challenge: bubonic plagueBest paleopathology study: South American theropodsBest paleopathology study (runner up): PlateosaurusOldest known paleontology (maybe): 10,000 year old petroglyphsBest friendly sauropodomorph study: LufengosaurusBest new spinosaurid: RiojavenatrixSpinosaur diving and hunting/swimming updateSpinosaur skull shapesSpinosaurs had skull and teeth to go after large preyBest new tyrannosaur paper: Gorgosaurus gut contentsNanotyrannus updateT. rex intelligence estimation

     

    Our 2024 Holiday Gift Guide is available now! Find the perfect gift for the dinosaur enthusiast in your life (or yourself). This year's guide features real dinosaur teeth, a color your own dinosaur postcard book, dinosaur collectibles, toys, and more! Head to iknowdino.com/the-ultimate-dinosaur-holiday-gift-guide/ to see the full list of gift ideas.

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  • We share all our thoughts on the most surprising and interesting parts of David Hone's new book: Uncovering Dinosaur Behavior. Plus a tiny dinosaur with a lot of gastroliths and some huge dinosaurs without any.

    For links to every news story, all of the details we shared about Gasparinisaura, and our fun fact check out https://iknowdino.com/Gasparinisaura-Episode-522/

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    Dinosaur of the day Gasparinisaura, a small dinosaur, of which multiple specimens have been found with gastroliths.

     

    This episode is brought to you by Princeton University Press. They have four brand new dinosaur books: The Princeton Field Guide to Predatory Dinosaurs, Birds of the Mesozoic, The Little Book of Dinosaurs, and Uncovering Dinosaur Behavior. If you haven't already, get your copy of Uncovering Dinosaur Behavior at press.princeton.edu and use promo code PUP30 for 30% off

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  • From digging up dinosaur bones to preparing fossils, Kelsie Abrams is involved with fossils from the field to the museum display. She also shares her unique perspective as a paleontologist with a background in archaeology.

    For links to every news story, all of the details we shared about Uteodon, links from Kelsie Abrams, and our fun fact check out https://iknowdino.com/Uteodon-Episode-521/

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    Dinosaur of the day Uteodon, an iguanodontian from the Jurassic that was thought to be a species of Camptosaurus (and still is by some researchers).

    Interview with Kelsie Abrams, the paleontology fossil lab manager at the Burke Museum of Natural History and Culture in Seattle, Washington. Follow her on Instagram @pinup_paleontologist

     

    This episode is brought to you by Princeton University Press. They have four brand new dinosaur books: The Princeton Field Guide to Predatory Dinosaurs, Birds of the Mesozoic, The Little Book of Dinosaurs, and Uncovering Dinosaur Behavior. On December 4, we’ll be discussing Uncovering Dinosaur Behavior in depth as part of a special book club segment. Get your copy now and read along with us! Go to press.princeton.edu and use promo code PUP30 for 30% off

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  • David Moscato and Will Harris invited us to join them on the Common Descent podcast earlier this year. We had a great discussion ranging from dinosaurs to science communication in general.

    Connect with Common Descent: https://linktr.ee/common_descent

    Join us at www.patreon.com/iknowdino for dinosaur requests, bonus content, ad-free episodes, and more.

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  • Velociraptor (and Oviraptor & Saurornithoides) were named exactly 100 years ago to the day! We're celebrating Velociraptor's 100 year anniversary by going through what we now know about this awesome little dinosaur.

    For links to every news story, all of the details we shared about Velociraptor, and our fun fact check out https://iknowdino.com/Velociraptor-Episode-519/

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    Dinosaur of the day Velociraptor, A small predatory dinosaur that had some of the most infamous weaponry of any prehistoric animal..

    In dinosaur news this week:

    It’s November, which means it’s Dinovember!On November 7, 1924 (almost exactly 100 years ago, Henry Fairfield Osborn named Velociraptor

     

    This episode is brought to you by Princeton University Press. They have four brand new dinosaur books: The Princeton Field Guide to Predatory Dinosaurs, Birds of the Mesozoic, The Little Book of Dinosaurs, and Uncovering Dinosaur Behavior. On December 4, we’ll be discussing Uncovering Dinosaur Behavior in depth as part of a special book club segment. Get your copy now and read along with us! Go to press.princeton.edu and use promo code PUP30 for 30% off

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  • Plus a new sauropod with a tail club, a potentially new Spinosaurus species, and several more new dinosaurs!

    For links to every news story, all of the details we shared about Dilophosaurus, and our fun fact check out https://iknowdino.com/Dilophosaurus-Episode-518/

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    Dinosaur of the day Dilophosaurus (revisited), an apex predator from the Early Jurassic of North America with a pair of large head crests (but no neck frill).

    In dinosaur news this week:

    A new Spinosaurus species was reported last year from NigerThe vertebrae in the Saurophaganax holotype may have been from sauropod(s)There’s a new sauropod dinosaur, Ardetosaurus viatorThere’s another sauropod with a tail club!There’s a new ornithopod dinosaur, Emiliasaura alessandriBy the end of the Cretaceous, ornithopod dinosaurs had evolved teeth that made them very successful plant eatersBirds from the Late Cretaceous existed alongside dinosaurs like Tyrannosaurus and lived like today’s birds of preyA rare “flat-headed” juvenile pachycephalosaurid lived in the Late Cretaceous in what’s now Texas, U.S.

     

    Our 2024 Holiday Gift Guide is available now! Find the perfect gift for the dinosaur enthusiast in your life (or yourself). This year's guide features real dinosaur teeth, a color your own dinosaur postcard book, dinosaur collectibles, toys, and more! Head to iknowdino.com/the-ultimate-dinosaur-holiday-gift-guide/ to see the full list of gift ideas.

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  • Lindsay Graham from History Daily explores the human side of two topics we often discuss on the show: Meteors and Oxygen.

    On November 30, 1954, Alabama resident Ann Hodges becomes the first person struck by a meteorite, an event that will upend the 34-year-old’s life.On August 1, 1774, English philosopher and chemist, Joseph Priestley, discovers a mysterious new gas, which will come to be known as “oxygen”.

    Go to HistoryDaily.com for more history, daily.

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  • This episode is all about answering listener questions! Ranges from did non-avian dinosaurs live past the K-Pg in what's now New Zealand? Also how to survive the Mesozoic, would you go to a real life Jurassic Park, what dinosaurs would win "best in show", plus two dinosaur books that are great references.

    For links to every news story, all of the details we shared about Albertadromeus, and our fun fact check out https://iknowdino.com/Albertadromeus-Episode-517/

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    Dinosaur of the day Albertadromeus, a thescelosaurid that was the smallest known herbivorous dinosaur in its ecosystem.

    Our 2024 Holiday Gift Guide is available now! Find the perfect gift for the dinosaur enthusiast in your life (or yourself). This year's guide features real dinosaur teeth, a color your own dinosaur postcard book, dinosaur collectibles, toys, and more! Head to iknowdino.com/the-ultimate-dinosaur-holiday-gift-guide/ to see the full list of gift ideas.

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  • The stegosaur Angustungui has claws similar to Scelidosaurus despite being over 30 million years more recent. Plus a few new non-fiction dinosaur books that we've been reading lately.

    For links to every news story, all of the details we shared about Thescelosaurus, and our fun fact check out https://iknowdino.com/Thescelosaurus-Episode-516/

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    Dinosaur of the day Thescelosaurus, a "godlike" burrowing dinosaur.

    In dinosaur news this week:

    There’s a new stegosaur, Angustungui qiketaiensis

     

    Our 2024 Holiday Gift Guide is available now! Find the perfect gift for the dinosaur enthusiast in your life (or yourself). This year's guide features real dinosaur teeth, a color your own dinosaur postcard book, dinosaur collectibles, toys, and more! Head to iknowdino.com/the-ultimate-dinosaur-holiday-gift-guide/ to see the full list of gift ideas.

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  • The new silesaur Gondwanax was named from Southern Brazil and may show a transition between silesaurs and neornithischians; The new tyrannosaurid Labocania aguillonae helps solidify Labocania as a true tyrannosaurid; Plus a new huge Pachyrhinosaurus skull and a new Mesozoic swimming bird.

    For links to every news story, all of the details we shared about Kwanasaurus, and our fun fact check out https://iknowdino.com/Kwanasaurus-Episode-515/

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    Dinosaur of the day Kwanasaurus, a silesaur known for its teeth and jaws that seem like they were evolved for eating plants.

    In dinosaur news this week:

    A new, giant, Pachyrhinosaurus (ceratopsian) skull nicknamed “Big Sam” was found in Northern Alberta, CanadaThere’s a new silesaur, Gondwanax paraisensis, from Southern BrazilThere’s a new tyrannosaurid species, Labocania aguillonae, from Northern MexicoThere’s a new euornithean bird, Shuilingornis angelai, is one of the earliest known birds with semi-aquatic features

     

    Our 2024 Holiday Gift Guide is available now! Find the perfect gift for the dinosaur enthusiast in your life (or yourself). This year's guide features real dinosaur teeth, a color your own dinosaur postcard book, dinosaur collectibles, toys, and more! Head to iknowdino.com/the-ultimate-dinosaur-holiday-gift-guide/ to see the full list of gift ideas.

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  • Spinosaurids had powerful enough jaws and teeth to go after large prey, just not sharp enough to take out bites. Plus, more on the aquatic spinosaurs debate, and more spinosaur updates.

    For links to every news story, all of the details we shared about Tachiraptor, and our fun fact check out https://iknowdino.com/Tachiraptor-Episode-514/

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    Dinosaur of the day Tachiraptor, a small carnivorous theropod that was found in the mountains of Venezuela.

    In dinosaur news this week:

    Spinosaurids had the skull and teeth to go after large preyInstead of crocodile mimics, maybe spinosaurs should be considered phytosaur mimicsSpinosaurus had at least one other spinosaurine living along side it in the Kem Kem beds in MoroccoA tooth in Thailand that was long thought to be from an ichthyosaur was actually from a spinosaur

     

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