Ganoidei
Pronunciation : Ga*noi"de*i
Part of Speech : n.
Etymology : [NL. See Ganoid.] (Zo?l.)
Definition : Defn: 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.
Note: They were numerous, and some of them of large size, in early geological periods; but they are represented by comparatively few living species, most of which inhabit fresh waters, as the bowfin, gar pike, bichir, Ceratodus, paddle fish, and sturgeon.
pl.
Source : Webster's Unabridged Dictionary, 1913