全骨下綱(學名:Holostei)是脊索動物門條鰭魚綱的一個下綱,是新鰭亞綱的兩個演化支之一。
特徵
本下綱的魚類上頜皮內骨不與頰部骨骼連接,短時間內可以用魚鰾直接呼吸空氣。
分類
硬骨魚高綱 |
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Osteichthyes | |||||||||||||||||||||||||||||||||||||
軟骨魚綱 Chondrichthyes (外類群) | |||||||||||||||||||||||||||||||||||||
參考文獻
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