1.【生】门,亚界
1.a category in the classification of plants and animals that is smaller than a kingdom and larger than a phylum
1.A multicellular animal of the subkingdom Metazoa, a pision of the animal kingdom in traditional two-kingdom classification systems.
后生动物属后生动物亚界的一种多细胞动物,此亚界是动物界传统的两界区分系统内的一个分支