ganoid


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Related to ganoid: ganoid fish, Ganoid Scales

ganoid

1. (of the scales of certain fishes) consisting of an inner bony layer and an outer layer of an enamel-like substance (ganoin)
2. denoting fishes, including the sturgeon and bowfin, having such scales
3. a ganoid fish
References in periodicals archive ?
The history of the discovery (1600-1680) of the spiral valve in the large intestine of elasmobranchs and a ganoid. J.
For all this, the attempt to affirm the protagonist's faith in the new theory breaks down in the face of Pteraspis, the fossil ganoid fish that Sir Charles Lyell (Principles of Geology, I-III, 1830-1833) made the original ancestor of man:
Semionotids have heavy ganoid scales, but they are generally rhomboid in shape (Gemballa and Bartsch 2002; McCune 2004).