Petalodus

noun

Pet·​a·​lo·​dus

: the type genus of the family Petalodontidae known only from fossil teeth

Word History

Etymology

New Latin Petalodont-, Petalodus, from petal- (from Greek petalon leaf) + -odont-, -odus -odus

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