(biology) a taxonomic group ranking between a phylum and below a class or subclass
例句
用作名词 (n.)
The ancestor of each superphylum and ancestor common to them may have occurred in the latest Precambrian but were poorly diversified. 文德纪的遗迹化石以及部分伊迪卡拉动物可能带表这三大动物超门的祖先和它们的共同祖先。