- Dinosaur

Episode 426: The Finest Dinosaur Museums within the World

Episode 426: The Finest Dinosaur Museums within the World. The very best locations to see dinosaurs in North America, South America, Europe, Asia, Africa, and Australia

Discover the dinosaur museum closest to you or any of the museums we talked about at iknowdino.com/dinosaur-museums/


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The dinosaur of the day: Haya

  • Neornithischian (“hypsilophodontid”) that lived within the Late Cretaceous in what’s now the Gobi Desert in Mongolia (Javkhlant Formation and Nemegt Formation)
  • Had a considerably lengthy physique, lengthy tail, quick arms, walked on two legs, and had an elongate cranium with a beak
  • Had a number of distinctive options, together with 5 “bulbous, unserrated premaxillary enamel”
  • The frontals, on the high of the pinnacle “type a remarkably flat and intensive cranium desk”
  • Had comparatively huge, triangular nasals
  • Had an elongate decrease jaw (dentary) that “types over half the size of the mandible”
  • Had quick neural arches
  • Had a gracile humerus (arm), that in a single specimen discovered “bears proof of scavenging” (two holes most likely from burrowing arthropods, as seen in different dinosaurs from the Gobi Desert)
  • Described by Peter Makovicky and others in 2011
  • Discovered a number of specimens that had been well-preserved
  • Fossils discovered between 2002 and 2007 by the joint Mongolian Academy of Sciences—AMNH expeditions
  • Holotype is an entire, “barely distorted” cranium, and has elements of the backbone
  • Kind species is Haya griva
  • Genus and species title are “from the Sanskrit for the Hindu deity Hayagriva, an avatar of Vishnu characterised by a horse head, in reference to the elongate and faintly horse-like cranium of this dinosaur, and the frequent depiction of this deity within the Buddhist artwork of Mongolia”
  • Title refers back to the lengthy, horse-like cranium
  • A lot of specimens discovered, so we all know just about how the entire skeleton seemed
  • Just a few specimens had been discovered with quite a lot of gastroliths
  • One was described as a “sizeable gastrolith mass” and is simply the second present in ornithopods
  • The specimen with the gastroliths discovered close to the stomach had “two tightly clustered lots of pebbles”, most likely quartz or flint
  • Mark Norell and Daniel Barta revealed in 2016 a couple of new Haya specimen discovered within the Nemegt Formation
  • Fossils discovered round 1992, a fragmentary skeleton that included the left aspect of the pinnacle, elements of the arm, vertebrae, ribs
  • A lot of the specimen was eroded however after getting ready the fossils they discovered it had quite a lot of similarities to Haya
  • In 2021, Barta and Norell revealed in-depth the osteology of Haya griva (skeleton)
  • A lot of referred specimens (counted 36 within the paper)
  • Sufficient to see a progress sequence
  • Specimens studied had a spread of sizes however histology exhibits they’re perinatal to subadults, and there are not any skeletally mature specimens
  • Based mostly on histology, most likely had a excessive progress charge, and all of the specimens sampled appeared to have been actively rising after they died
  • Bought extra enamel because it grew
  • Gastroliths discovered with a number of specimens
  • Gastroliths are easy with rounded edges
  • One specimen discovered had cranium and bones “pretty broadly separated from each other, presumably dispersed by scavengers or operating water”
  • In a single case, two people had been discovered buried shut to one another, together with a troodontid tooth
  • A lot of the bones have holes, most likely from bugs consuming the bones after the dinosaurs died (see in a lot of dinosaurs from the Gobi Desert)
  • Different animals that lived across the similar time and place embody the neoceratopsian Yamaceratops, small maniraptorans, mammals, and lizards

Enjoyable Reality:

Thomas Jefferson was an beginner fossil collector.

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