Definition

A member of a group of reptiles that includes dinosaurs, crocodiles, and birds, characterized by certain skeletal features.

Example

The archosaurian lineage includes some of the most fascinating creatures in Earth's history.

Conversation

Did you know that birds are actually descended from archosaurian reptiles?

Really? That's fascinating! I had no idea.

Yeah, it's amazing how evolution works with creatures like that.

Totally! It makes you appreciate birds even more.

Synonyms & Antonyms

Root Explanation

Archosaurian → It is formed from "archo-" (from Greek "archos", meaning ruler or chief) and "saurian" (from Greek "sauros", meaning lizard). The term "archosaurian" refers to the group of reptiles that includes dinosaurs and crocodiles, essentially meaning "ruling lizards".

Memory Tip

Think of 'ruler' ('archo-') and 'lizard' ('saurian') to remember that 'archosaurian' refers to the dominant reptiles like dinosaurs.

Visually Confused Words