Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A dinosaur of the order Ornithischia, having a pelvic structure similar to that of birds.
  • adj. Of, belonging to, or characteristic of the order Ornithischia.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a group of dinosaurs, of the order Ornithischia, that have hips characteristic of birds

from The Century Dictionary and Cyclopedia

  • Pertaining to or having the characters of the group of dinosaurs named Ornithischia by Seeley; having the bones of the pelvis like those of a bird.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. herbivorous dinosaur with a pelvis like that of a bird

Etymologies

From New Latin Orn─źthischia, order name : ornith(o)- + Greek iskhion, hip joint.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • Named Fruitadens haagarorum, this tiny ornithischian was likely an omnivore, like other heterodontosaurids.

    Uppity Authors, Scary Vampires, and Whatnot

  • A tiny new "feathered" ornithischian dinosaur from China, the Early Cretaceous heterodontosaurid Tianyulong confuciusi.

    "So lose some sleep and say you tried."

  • Oh, I've also slowly been making my way through the new (September) issue of the Journal of Vertebrate Paleontology, and have read, over the past few days, "A new ornithischian dinosaur from the Lower Cretaceous Kuwajima Formation of Japan," "The anatomy and systematics of Colepiocephale lambei [Dinosauria: Pachychephalosauridae]," and "Rapid somatic expansion causes the brain to lag behind: the case of the brain and behavior of New Zealand's Haast's Eagle [Harpagornis moorei]."

    So not awake it hurts.

  • I've been making my way through the September 2008 Journal of Paleontology, and so there was "A new desmatosuchine aetosaur (Archosauria; Suchia) from the Upper Triassic Tecovas Formation (Dockum Group) of Texas," "A juvenile skull of the primitive African ornithischian dinosaur Heterodontosaurus tucki from the 'Stormberg' of South Africa," and "The anatomy, affinity, and phylogenetic significance of Illemoraspis kirkinskayae (Osteostraci) from the Devonian of Siberia."

    "The lengths that I will go to, the distance in your eyes..."

  • Yesterday, I began reading Joan Druett's She Captains: Heroines and Hellions of the Sea (2000), and also read "A juvenile skull of the primitive ornithischian dinosaur Heterodontosaurus tucki from the 'Stromberg' of South Africa" (from the September 2008 Journal of Vertebrate Paleontology).

    Stealing daylight

  • This week saw the announcement of the earth shaking Tianyulong confuciusi, an ornithischian with feather like structures!

    Archive 2009-03-01

  • Digital preparation of a probable neoceratopsian preserved within an egg, with comments on microstructural anatomy of ornithischian eggshells.

    Neoceratopsian publications for 2008

  • Two ornithischian dinosaurs renamed: Microceratops Bohlin 1953 and Diceratops Lull 1905.

    Archive 2009-01-01

  • Two ornithischian dinosaurs renamed; Microceratops Bohlin 1953 and Diceratops Lull 1905.

    Archive 2009-01-01

  • Stegosaurian footprints from the Morrison Formation of Utah and their implications for interpreting other ornithischian tracks.

    Neoceratopsian publications for 2008

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