| 单词 | lobe-finned fish |
| 释义 | lobe-finned fish (lōbfĭnd′)n. Any of various bony fishes of the class Sarcopterygii, having paired fleshy rounded fins. The lobe-finned fishes first appeared in the Silurian Period and are extinct except for the coelacanths and lungfishes. Also called lobefin, sarcopterygian. |
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