Rhynchonellida

例句：

1. 1. The jellyfish is a member of the Rhynchonellida.
   水母是水生无脊椎动物纲的成员。
2. 2. The amphibians are found in freshwater habitats.
   两栖动物发现于淡水栖息地。
3. 3.The hydrozoan community plays a crucial role in nutrient cycling.
   水生无脊椎动物群落对营养循环起着至关重要的作用。