ornithischian

Thân thiện

An ornithischian dinosaur grazes on ferns in a prehistoric forest.

Definition

1. 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.

Học thuật

Noun

1. herbivorous dinosaur with a pelvis like that of a bird

Từ đồng nghĩa

• ornithischian dinosaur