The nationally protected lancelet are also found here 国家保护动物文昌鱼亦在该处出没。
2.
Amphioxus or lancelet , a cephalochordate , is the extant invertebrate chordate considered to be the closest relationship to the vertebrates 文昌鱼被认为是和脊椎动物亲缘关系最近的动物。
3.
Amphioxus or lancelet , a cephalochordate , has long been regarded as the living invertebrate most closely related to the proximate invertebrate ancestor of vertebrates 在动物的进化历程中,文昌鱼是介于无脊椎动物与脊椎动物之间的过渡类型。