NTUMC+ Open Multilingual Wordnet 0.9

异甲类亚门, 异甲类, 异甲类亚门

Heterostraci, suborder Heterostraci

extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear

异甲类, 异甲类，骨甲类或甲冑鱼类中已灭绝的一种无 ? 脊椎动物，约存於志留纪或泥盆纪时代, 异甲类，骨甲类或甲冑鱼类中已灭绝的一种无?脊椎动物，约存於志留纪或泥盆纪时代

heterostracan

extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian

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