Subclass Archosauria (Noun)
Meaning
A large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts.
Classification
Nouns denoting animals.
Examples
- The subclass Archosauria is believed to have originated during the Middle to Late Triassic period, roughly 245-205 million years ago.
- Fossil records indicate that reptiles belonging to the subclass Archosauria dominated Earth's landscapes during the Mesozoic Era.
- Biological classification places dinosaurs within the larger subclass Archosauria alongside crocodiles, pterosaurs, and other closely related species.
- Some of the earliest known archosaurs belong to the subclass Archosauria, a diapsid group with two pairs of temporal fenestrae.
- In the subclass Archosauria, a range of lineages evolved into marine reptiles such as ichthyosaurs and plesiosaurs.