Definition of Ganoidei. Meaning of Ganoidei. Synonyms of Ganoidei
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Definition of Ganoidei
GanoideiGanoidei Ga*noi"de*i, n. pl. [NL. See Ganoid.] (Zo["o]l.)
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
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.
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