'''극기류'''(棘鰭類) 또는 '''극기어류'''는 '''극기상목'''(Acanthopterygii)에 속하는 어류의 총칭이다.
== 분류하위 목 ==
* [[숭어목]] (Mugiliformes)
* '''극기상목''' (Acanthopterygii)
** [[숭어목색줄멸목]] (MugiliformesAtheriniformes)
** [[색줄멸목동갈치목]] (AtheriniformesBeloniformes)
** [[동갈치목케토미무스목]] (BeloniformesCetomimiformes)
** [[열대송사리목]] (Cyprinodontiformes) ▼
** [[케토미무스목]] (Cetomimiformes)
** [[스테파노베리스목]] (Stephanoberyciformes) ▼
▲** [[열대송사리목]] (Cyprinodontiformes)
* [[금눈돔목]] (Beryciformes)
▲** [[스테파노베리스목]] (Stephanoberyciformes)
** [[금눈돔목달고기목]] (BeryciformesZeiformes)
** [[달고기목학치목]] (ZeiformesGobiesociformes)
** [[큰가시고기목]] (Gasterosteiformes) ▼
** [[학치목]] (Gobiesociformes)
* [[실고기목]] (Syngnathiformes)
▲** [[큰가시고기목]] (Gasterosteiformes)
** [[실고기목드렁허리목]] (SyngnathiformesSynbranchiformes)
** [[드렁허리목복어목]] (SynbranchiformesTetraodontiformes)
** [[복어목가자미목]] (TetraodontiformesPleuronectiformes)
** [[가자미목쏨뱅이목]] (PleuronectiformesScorpaeniformes)
** [[쏨뱅이목농어목]] (ScorpaeniformesPerciformes)
** [[농어목]] (Perciformes)
== 주석 ==
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