囊虾总目(学名Peracarida)是甲壳类下的一个大群,包含了海洋、淡水及陆生的物种。它们的特征是只有单一对颚足,成虫在臼齿及门齿之间有一个以关节连接的动颚叶。甲壳较为细小,且不会后胸的体节融合。除了温泉虾目外,其下所有目的节肢最底部都有一个扁平的抱卵,用来包裹腹部的育幼袋。在后仔虾期或前幼虾期孵化的幼体会缺乏最后一对脚。
![Thumb](http://upload.wikimedia.org/wikipedia/commons/thumb/2/25/Mandible.svg/320px-Mandible.svg.png)
- 臼齿突;
- 刺毛;
- 动颚叶;
- 门齿突;及
- 触须
参考
- W. T. Calman. On the Classification of the Crustacea Malacostraca. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology. 1904, 13 (74): 144–58.
- Joel W. Martin & George E. Davis. An Updated Classification of the Recent Crustacea (PDF). Natural History Museum of Los Angeles County. 2001: 132 pp [2010-05-28]. (原始内容存档 (PDF)于2013-05-12).
外部链接
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