单词 | sarcopterygian |
释义 | sarcopterygianadjective sar·cop·te·ryg·ian ˌsär-ˌkäp-tə-ˈri-j(ē-)ən : of, relating to, or belonging to the Sarcopterygii : lobe-finned [The coelacanth] is the only living representative of a group of sarcopterygian fishes thought to be extinct since the Late Cretaceous period … … supporting the hypothesis that the neural basis of vocal circuits arose before the divergence of sarcopterygian and actinopterygian branches of the vertebrate phylogeny. sarcopterygian noun plural sarcopterygians Lobe-finned fish like the coelacanth and lungfish are known to zoologists as sarcopterygians, meaning fleshy fins. Tetrapods, including people, are descended from this group … |
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