Definition

A type of marine bivalve that lived during the Jurassic and Cretaceous periods, characterized by its box, tube, or ring shape.

Example

Fossils of rudists can be found in many parts of the world, showcasing their unique shapes.

Conversation

I just read an article about ancient sea creatures, and they mentioned the rudist fossils.

Oh really? I don't think I've heard of those before.

Yeah, they were like these unique bivalves from the Jurassic period.

That's fascinating! I love learning about marine life.

Synonyms & Antonyms

Root Explanation

Rudist → The word 'rudist' comes from the Latin 'rudis' (meaning unrefined or rough) combined with the suffix '-ist' (meaning one who practices or is concerned with). A rudist is someone who studies or is associated with the rudist bivalves, which are often considered primitive or rough in their structure.

Memory Tip

Think of 'rudis' meaning rough or unrefined, which helps you remember that a 'rudist' is someone who studies these primitive bivalves.

Visually Confused Words