Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of polypterus is as below...

Polypteroidei :: Polypteroidei (n. pl.) A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. See Illust. under Crossopterygian..

Polypterus :: Polypterus (n.) An African genus of ganoid fishes including the bichir.

Bichir :: Bichir (n.) A remarkable ganoid fish (Polypterus bichir) found in the Nile and other African rivers. See Brachioganoidei.

Crossopterygii :: Crossopterygii (n. pl.) An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei.

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