ornithischian
Definition
- Noun:
- A herbivorous dinosaur with a bird-like pelvis structure: An ornithischian is a member of an order (Ornithischia) of dinosaurs characterized primarily by a pelvic structure where the pubis bone points backward and down, parallel to the ischium, similar to the pelvis of a bird. All known ornithischians were herbivores.
Usage Examples
- Noun:
- The Stegosaurus is a famous example of an ornithischian dinosaur.
- Paleontologists identified the fossil as belonging to an ornithischian due to the shape of its hip bones.
Advanced Usage
- Scientific Classification: The term is used in formal paleontological classification. The order Ornithischia is one of the two main divisions of dinosaurs, the other being Saurischia.
- The discovery of this early ornithischian helps scientists understand the evolution of herbivory in dinosaurs.
Variants and Related Words
- Ornithischia (n): The scientific order name for the group of "bird-hipped" dinosaurs.
- Ornithischia includes diverse families like ceratopsians and hadrosaurs.
Synonyms
- Bird-hipped dinosaur: A descriptive synonym referencing the defining pelvic characteristic.
Noun
-
herbivorous dinosaur with a pelvis like that of a bird
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