Protocaris

noun

Pro·​toc·​a·​ris

prəˈtäkərə̇s

: the oldest known branchiopod genus found in the Lower Cambrian of Vermont and consisting of small crustaceans resembling Triops

Word History

Etymology

New Latin, from prot- + -caris

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now