diphycercal

a. [动]圆尾鳍的

释义与例句

adj.
  1. 1.

    Describing a symmetric tail fin in which the vertebral column extends to the tip.

    生物 动物学

词源

From Ancient Greek διφυής (diphuḗs, “of double nature”) (compare δι- (di-) and φύω (phúō)) + κέρκος (kérkos, “tail”).

来源：wiktionary