01 n. An order of ganoid fishes, including the modern gar pikes and many allied fossil forms. They have rhombic, ganoid scales, a heterocercal ta…
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An order of ganoid fishes, including the modern gar pikes and many allied fossil forms. They have rhombic, ganoid scales, a heterocercal tail, paired fins without an axis, fulcra on the fins, and a bony skeleton, with the vertebræ convex in front and concave behind, forming a ball and socket joint. See Ganoidel.(Zool.) See: Ganoidel