Polypteridae

plural noun

Pol·​yp·​ter·​i·​dae

ˌpälə̇pˈterəˌdē

: a family of primitive African fishes (order Cladistia) containing the recent genus Polypterus and known from fossil remains since the Upper Eocene

Word History

Etymology

New Latin, from Polypterus, type genus + -idae

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