Any of various aquatic crustaceans of the subclass Branchiopoda,such as the fairy shrimp and water flea,characterized by a segmented body and flattened,leaflike thoracic appendages.

 
  • 鳃足动物一种鳃足亚纲水生甲壳类动物,如神仙虾和水蚤,特征是身体分节,具有平直叶状的胸腹附属结构。
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