herrerasaur
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Definition
Noun: 1. A genus of early, primitive theropod dinosaur: Herrerasaurus is a genus of carnivorous dinosaur that lived during the Late Triassic period. It is considered one of the earliest and most basal theropods, displaying a mix of primitive and advanced skeletal features. 2. A member of this genus: The term can refer to any dinosaur belonging to the genus Herrerasaurus.
Usage Examples
- Noun:
- The fossilized skeleton of a herrerasaur provides crucial evidence about the early evolution of predatory dinosaurs.
- Paleontologists believe the herrerasaur was a fast, bipedal hunter.
- This discovery suggests the herrerasaur lived in what is now Argentina approximately 230 million years ago.
Advanced Usage
- The term is often used in scientific and paleontological contexts to discuss early dinosaur evolution and the characteristics of basal theropods.
- It is frequently mentioned in contrast with later, more derived theropods like or to highlight evolutionary changes.
Variants and Related Words
- Herrerasaurus: The full, formal genus name. This is the more precise scientific term.
- Herrerasauridae: The family name that includes and its closest relatives.
- Basal theropod: A descriptive term for early, primitive members of the theropod group, which includes .
Synonyms
- Early theropod
- Primitive dinosaur (in a specific scientific context)
Notes on Different Meanings
The word "herrerasaur" has a single, specific meaning in paleontology. It does not have common idiomatic or figurative uses. It refers exclusively to this particular genus of Triassic dinosaur.
Noun
- a kind of theropod dinosaur found in Argentina