魚類學相關名詞中英對照
名詞 定義　
Holocephali The subclass Holocephali (from Greek holos, entire, and kephalos, head), the living chimaeras and their numerous fossil relatives, a major subdivision of the class Chondrichthyes. The name is in reference to the fusion of the upper jaws or palatoquadrates to the skull in all living species and in many but not all fossils. The living holocephalans include three families in the order Chimaeriformes. The living species differ from elasmobranchs in having four pairs of gill openings covered by a soft gill cover and with a single pair of external gill openings, oral teeth fused and reduced to three pairs of ever-growing tooth plates, an erectile first dorsal fin with a spine and a long, low spineless second dorsal. 　
全頭亞綱 全頭亞綱(從希臘文，整個的與頭部)，現存的銀鮫與他們很多的化石近親，軟骨魚綱的一個主要分支。名稱用在所有的現生種與多數但不是所有的化石種，在上顎或顎方骨融合到頭蓋骨的。現存的全頭魚類包含在銀鮫目中的三個科。現存種不同於板鰓類，有四個對鰓裂被一個軟鰓蓋蓋著，而且具有一個單一成對的鰓孔，口部的齒融合而且縮小成三對成長齒板，可豎直的第一背鰭有一根棘與一個長無棘的第二背鰭。　
※中文內容系使用機器由英文內容翻譯。