英语词汇Cephalaspida的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	Cephalaspida
释义	Cephalaspida 释义头甲鱼目英英释义 Noun 1. extinct group of armored fishlike vertebrates; taxonomy is not clear 行业词典水产头甲类???（拉）又称“单鼻孔鱼类 (Monorhina 拉)”。存在于上志留纪至上泥盆纪的一类头及躯干前部为坚硬的头甲所覆盖，内有骨细胞的骨骼组成，单鼻孔，歪尾的古化石鱼类。???
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Cephalaspida