Ornithischia - Wikipedia
WEBOrnithischia (/ ˌ ɔːr n ə ˈ θ ɪ s k i. ə /) is an extinct clade of mainly herbivorous dinosaurs characterized by a pelvic structure superficially similar to that of birds. The name Ornithischia , or "bird-hipped", reflects this similarity and is derived from the Greek stem ornith- ( ὀρνιθ- ), meaning "bird", and ischion ...
Ornithischian | Triassic, Jurassic, Cretaceous | Britannica
WEBornithopod. ceratopsian. stegosaur. Thyreophora. cerapod. ornithischian, any member of the large taxonomic group of herbivorous dinosaurs comprising Triceratops and all dinosaurs more closely related to it than to birds. The ornithischians (meaning “bird-hipped”) are one of the two major groups of dinosaurs, the other being the saurischians.
Dinosaur - Ornithischia, Herbivore, Reptile | Britannica
WEBDinosaur - Ornithischia, Herbivore, Reptile: The Ornithischia were plant-eaters. In addition to a common pelvic structure, they share unique features like a bone joining the lower jaws and crenulated, leaf-shaped teeth. Cerapoda is divided into three groups: Ornithopoda, Pachycephalosauria, and Ceratopsia. Ornithopods include …
Ornithischian Dinosaurs - University of California Museum of …
WEBIn the diagram, the pubis is pale orange, the ilium is red, and the ischium is brown. There were many kinds of ornithischian dinosaurs, dating back to the early Jurassic. The Ornithopoda included the hadrosaurs ("duck-billed dinosaurs"), the iguanodontids, the heterodontosaurs, the hypsilophodontids, and various other dinosaurs.
Ornithischia - Students | Britannica Kids | Homework Help
WEBOrnithischia. One of the two major orders of dinosaurs, the Ornithischia were those dinosaurs whose pelvic structure resembled that of modern birds. This key feature distinguished the ornithischians from the other major dinosaur order, the so-called “lizard-hipped” Saurischia.
Ornithischia - Simple English Wikipedia, the free encyclopedia
WEBOrnithischia is an extinct clade of mainly herbivorous dinosaurs characterized by a pelvic structure superficially similar to that of birds. The name Ornithischia, or "bird-hipped", reflects this similarity and is derived from the Greek stem ornith- (ὀρνιθ-), meaning "of a bird", and ischion (ἴσχιον), plural ischia, meaning "hip ...
A new basal hadrosaurid (Dinosauria: Ornithischia) from the latest ...
WEBApr 27, 2021 · A new basal hadrosaurid (Dinosauria: Ornithischia) from the latest Cretaceous Kita-ama Formation in Japan implies the origin of hadrosaurids. Sci Rep 11 , 8547 (2021). https://doi.org/10.1038...
Ornithischia | SpringerLink
WEBMay 29, 2018 · Introduction. Ornithischian dinosaurs (Fig. 1) form an extinct group of diverse megaherbivores that dominated the Mesozoic Era roughly between 200 million and 66 million years ago. This extensive clade includes the plated and spiked stegosaurs; the armored, spiked, and sometimes club-tailed ankylosaurs; the massive duckbilled …
A new hypothesis of dinosaur relationships and early dinosaur ... - Nature
WEBMar 23, 2017 · For 130 years, dinosaurs have been divided into two distinct clades—Ornithischia and Saurischia. Here we present a hypothesis for the phylogenetic relationships of the major dinosaurian groups ...
Introduction to the Ornithopoda - University of California Museum …
WEBThe Ornithopoda are a group of medium to large plant-eating dinosaurs. They include one of the earliest discovered dinosaurs, Iguanodon, as well as the famous crested and "duck-billed" hadrosaurs. Several of these are noted for the spacious and bizarrely shaped sinus regions in their skulls. All ornithopods were herbivores and mostly bipedal.
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