盾皮鱼
dùn pí yú
- placodermi
盾皮鱼
盾皮鱼[dùn pí yú]
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一些雄性盾皮鱼化石显示出在交配期间用来抓住雌鱼的紧握器的证据。
Some male placoderm fossils show evidence of graspers that held the female fish during copulation .
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研究小组后来发现了年代相近的另一种盾皮鱼，里面有三个较小的胚胎。
The team later discovered a placoderm of a different species but similar date , with three smaller embryos inside it .
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它是盾皮鱼中的新种类。盾皮鱼身上覆有盔甲，统治泥盆纪海洋达7000万年。
It is a new species of placoderm , the type of armour-plated fish that dominated the Devonian oceans for 70m years .