| 释义 |
总鳍鱼zǒngqíyú鱼的一类,有肺,可以在水外呼吸,鳍强壮有力。生活在古生代,是陆生脊椎动物的祖先,为鱼类进化成两栖类的过渡类型,现在仍有残存。{crossopterygian (Crossopterygii); fish with strong fins and lungs which allow it to breathe outside water, living in the Palaeozoic Era as the precursors of terrestrial vertebrates, a transitional precursor which evolved from fish to amphibian. There are still some survivors today.} |