genus Apatosaurus

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Definition

Noun: 1. A taxonomic genus of large sauropod dinosaurs: "Genus Apatosaurus" is the scientific name for a genus of extinct, herbivorous dinosaurs characterized by an extremely long neck and tail, a massive body, and four thick, pillar-like legs. These dinosaurs lived during the late Jurassic period.

Usage Notes
  • "Genus Apatosaurus" is a formal, scientific term used primarily in paleontology, zoology, and academic contexts.
  • In everyday language, the common name for animals in this genus is Apatosaurus or the informal name Brontosaurus (which is now considered a synonym within this genus).
  • As a taxonomic term, it is always written in . The genus name ("Apatosaurus") is capitalized, while the species name (e.g., ) is lowercase.
Examples
  • Scientific Context:
    • The fossil was conclusively assigned to the genus Apatosaurus.
    • Paleontologists study the differences between genus Apatosaurus and genus Diplodocus.
  • General Context:
    • The museum's new skeleton is an impressive specimen from the genus Apatosaurus.
Advanced Usage
  • Taxonomic Hierarchy: The term is used to discuss classification. Example: "The family Diplodocidae includes the genus Apatosaurus and the genus Diplodocus."
Variants and Related Words
  • Apatosaurus (n): The common name for dinosaurs belonging to this genus. (e.g., )
  • Brontosaurus (n): A historical and popular name, now considered a synonym for Apatosaurus. (e.g., )
  • Sauropod (n): The larger clade or group of dinosaurs to which this genus belongs, all sharing the general characteristic of large size, long necks, and herbivorous diets.
Synonyms
  • (As a common name) Apatosaurus
  • (Informal/historical) Brontosaurus
Related Terms & Concepts
  • Jurassic Period: The geological time period (approximately 201 to 145 million years ago) during which these dinosaurs lived.
  • Herbivore: An organism that eats plants, describing the diet of Apatosaurus.
  • Quadruped: An animal that walks on four legs, describing the locomotion of Apatosaurus.
  • Taxonomy: The science of classification, which uses terms like "genus."
Noun
  1. large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic

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