'Polypteroidei' definitions:

Definition of 'Polypteroidei'

From: GCIDE

Polypteroidei \Po*lyp`te*roi"de*i\, n. pl. [NL. See Polypterus, and -oid.] (Zool.) A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. See Illust. under Crossopterygian. [1913 Webster]