Po*lyp`te*roi"de*i\, n. pl. [NL. See Polypterus, and -oid.] (Zo["o]l.) A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. See Illust. under Crossopterygian.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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