This paper provides a detail introduction on the composition and features of rRNA genes, and their application in the phylogeny studies, taxonomy and identification of marine animals.

• 本文系统地介绍了真核生物核糖体RNA基因的组成和性质及其近年来在海洋动物系统进化、分类和种质鉴定、遗传多样性研究等方面研究中的应用。