Definition

Noun: 1. A genus of carnivorous theropod dinosaur: "Genus Antrodemus" is a taxonomic genus name historically applied to a large carnivorous dinosaur from the Late Jurassic period of North America. It is considered a synonym or is closely related to the genus Allosaurus.

Usage Notes

• This term is primarily used in scientific and paleontological contexts. It is a formal taxonomic name.
• In modern paleontology, the name is largely considered a nomen dubium (doubtful name) or a junior synonym of . Therefore, the dinosaur commonly called is now typically referred to as in most scientific and popular literature.
• The word is always capitalized as it is a proper noun (a genus name).

Examples

• Scientific Context:
  • The fossil was initially classified under the genus Antrodemus before being re-evaluated.
  • Early 20th-century texts often reference Antrodemus as a major Jurassic predator.

Advanced Usage

• Taxonomic Synonymy: The term is often used in discussions of dinosaur taxonomy and nomenclature to illustrate historical classification changes.
  • The specimen was reassigned from Antrodemus to Allosaurus based on clearer diagnostic features.

Variants and Related Words

• Allosaurus (n): The genus name now most commonly used for this type of dinosaur.
• Theropod (n): The suborder of carnivorous, bipedal dinosaurs to which this genus belongs.
• Carnosaur (n): A broader group of large theropod dinosaurs that includes .

Synonyms

• Allosaurus (in modern usage)

Notes on Meaning

• The core meaning refers to a specific, now largely obsolete, scientific classification for a large Jurassic carnivore. Its usage today is almost exclusively historical or technical, relating to the history of paleontology rather than current dinosaur science.

Noun

1. carnivorous dinosaur of North America; late Jurassic