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Noun: malacopterygian  ,ma-lu,kóp-tu'ri-jee-un
  1. Any fish of the superorder Malacopterygii
    - soft-finned fish

Derived forms: malacopterygians

Type of: teleost, teleost fish, teleostan

Antonym: acanthopterygian

Part of: Malacopterygii, superorder Malacopterygii