order Saurischia
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Definition
- Noun:
- A taxonomic order of extinct reptiles: "Order Saurischia" is a major division of dinosaurs, characterized by a specific hip structure where the pubis bone points forward. This order traditionally includes both carnivorous theropods and herbivorous sauropods.
Usage Examples
- Noun:
- The fossil was clearly identifiable as belonging to the order Saurischia.
- Paleontologists study the evolutionary history of the order Saurischia.
- Tyrannosaurus rex is one of the most famous members of the order Saurischia.
Advanced Usage
- In taxonomic classification: The term is used in scientific literature to classify and discuss dinosaur lineages.
- The new discovery prompted a reevaluation of the early evolution within the order Saurischia.
Variants and Related Words
- Saurischian (noun/adjective): A member of the order Saurischia; relating to this order.
- Saurischian dinosaurs like the Brachiosaurus were enormous.
- Saurischia: Often used without "order" as the proper name of the taxon.
- Saurischia is one of the two primary branches of Dinosauria.
Synonyms
- Lizard-hipped dinosaurs: A common name based on the hip bone structure, which resembles that of modern lizards.
Noun
- extinct terrestrial reptiles: theropods (carnivorous); sauropods (herbivorous)