Ganoidei

[ɡənɔɪ'di:ɪ]

Definition

(noun.) a group of mostly extinct primitive bony fishes characterized by armor-like bony scales.

Typist: Yvette--From WordNet

Definition

(n. pl.) One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales.

Typist: Tyler