entomostracan /ˌɛntəˈmɒstrəkən/

• 1.  

  N（名词） any small crustacean of the group (formerly subclass) Entomostraca, including the branchiopods, ostracods, and copepods 切甲亚纲
• 2.  

  ADJ（形容词） of, relating to, or belonging to the Entomostraca 切甲亚纲的