scyphozoa

• 钵水母纲，刺胞动物门的一纲，通称水母，其水螅体阶段缺失或不明显。

A taxonomic class of cnidarians, commonly known as true jellyfishes, in which the polyp stage is absent or inconspicuous.

不可数 · 专有名词

1. Class of jellyfishC2formalscientific

   A class of marine animals within the phylum Cnidaria, commonly known as true jellyfish, characterized by a dominant medusa stage and a reduced or absent polyp stage.

   钵水母纲

   • Scyphozoa includes most of the large, familiar jellyfish found in oceans worldwide.
   • The life cycle of Scyphozoa typically involves a small polyp stage that produces medusae.
   • Researchers study Scyphozoa to understand marine ecosystem dynamics.