单词 | lobe-finned fish |
释义 | lobe-finned fish lobe-finned fish AHD: [l½b“f¹nd”] D.J. [6l*&b7f!nd]K.K. [6lob7f!nd]n.(名词)A member of the subclass Crossopterygii, a group of bony fishes with paired rounded fins, suggesting limbs, that are extinct except for the coelacanths. The lobe-finned fishes are regarded by some as ancestors of amphibians and other terrestrial vertebrates.Also called crossopterygian Also called lobefin 总鳍鱼,圆鳍鱼:总鳍亚纲的大量多骨鱼类,有令人联想到肢体的成对圆鳍,除腔棘鱼类均已灭绝。总鳍鱼被某些人视为两栖类动物及陆上脊椎动物的祖先也作 crossopterygian也作 lobefin |
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