Search the Dictionary

Webster’s Dictionary (1828)



17 words match “GANOIDEI”

GANOIDEI n.
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.
BRACHIOGANOIDEI n.
An order of ganoid fishes of which the bichir of Africa is a living example. See Crossopterygii.
CYCLOGANOIDEI n.
An order of ganoid fishes, having cycloid scales. The bowfin (Amia calva) is a living example.
EUGANOIDEI n.
A group which includes the bony ganoids, as the gar pikes.
HYOGANOIDEI n.
A division of ganoid fishes, including the gar pikes and bowfins. -- Hy`o*ga"noid, a.
PLACOGANOIDEI n.
A division of ganoid fishes including those that have large external bony plates and a cartilaginous skeleton.
RHOMBOGANOIDEI n.
Same as Ginglymodi.
AMIOIDEI n.
An order of ganoid fishes of which Amis is type. See Bowfin and Ganoidei.
BICHIR n.
le ganoid fish (Polypterus bichir) found in the Nile and other African rivers. See Brachioganoidei.
BRACHIOGANOID n.
One of the Brachioganoidei.
CROSSOPTERYGII n.
order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei.
CYCLOGANOID a. 2 definitions
Of or pertaining to the Cycloganoidei.
GANOID a.
Of or pertaining to Ganoidei. -- n. One of the Ganoidei. Ganoid scale (Zoöl.), one kind of scales of the ganoid fishes, composed of an inner layer of bone, and an outer layer of shining enamel. They are often so arranged as to form a coat of mail.
LEPIDOGANOID n.
Any one of a division (Lepidoganoidei) of ganoid fishes, including those that have scales forming a coat of mail. Also used adjectively.
PISCES n.
class of Vertebrata that includes the fishes. The principal divisions are Elasmobranchii, Ganoidei, and Teleostei.
PLACOGANOID a.
Pertaining to the Placoganoidei.
RHOMBOGANOID n.
A ganoid fish having rhombic enameled scales; one of the Rhomboganoidei.