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Noun: acanthopterygian  ,a-kun,thóp-tu'ri-jee-un
  1. A teleost fish with fins that are supported by sharp inflexible rays
    - spiny-finned fish

Derived forms: acanthopterygians

Type of: teleost, teleost fish, teleostan

Antonym: malacopterygian

Part of: Acanthopterygii, superorder Acanthopterygii

Encyclopedia: Acanthopterygian