ornithischia
Học thuậtThân thiện
A paleontologist carefully brushes the fossilized skeleton of an Ornithischia dinosaur.
Definition
Noun: 1. An order of extinct herbivorous dinosaurs: Ornithischia is the scientific name for a major order of dinosaurs characterized by a bird-like pelvic structure. This group includes a wide variety of herbivorous dinosaurs, such as armored dinosaurs, horned dinosaurs, and duck-billed dinosaurs.
Examples of Usage
- Noun:
- The Ornithischia are distinguished from the Saurischia by their hip structure.
- Stegosaurus and Triceratops are two well-known genera within the Ornithischia.
- All members of the Ornithischia order were plant-eaters.
Advanced Usage
- "ornithischian" (adjective): Describing something related to or characteristic of the Ornithischia order.
- The fossil displayed clear ornithischian traits in its pelvis.
- "ornithischian" (noun): An individual dinosaur belonging to the Ornithischia order.
- The new discovery was classified as a basal ornithischian.
Variants and Related Words
- Ornithischian: The adjectival and singular noun form.
- Thyreophora: A suborder of Ornithischia, the armored dinosaurs (e.g., Stegosaurus, Ankylosaurus).
- Marginocephalia: A suborder of Ornithischia, the bone-headed and horned dinosaurs (e.g., Pachycephalosaurus, Triceratops).
- Ornithopoda: A suborder of Ornithischia, the duck-billed dinosaurs and their relatives (e.g., Iguanodon, Parasaurolophus).
Synonyms
- Bird-hipped dinosaurs: A common, descriptive name for this order, directly translating the meaning of "Ornithischia" (from Greek: = bird, = hip joint).
Different Meanings
This term is used exclusively in scientific taxonomy (paleontology) and has no other general meanings. It refers specifically to the defined dinosaur order.
A paleontologist carefully brushes the fossilized skeleton of an Ornithischia dinosaur.
Noun
- extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)