海鞘纲
- 网络ASCIDIACEA;Class ASCIDIACEA
海鞘纲-
海鞘（Ascidian）属于脊索动物门（Chordates），尾索动物亚门（Urochordata），海鞘纲（Ascidiacea），全世界约有2000种，广泛分布于各海域中。
Styela plicata is an ascidian which belongs to class Ascidiacea , subphylum urochordata , phylum Chordates . About 2000 kinds of ascidians have been found in the nature and they distribute over the maritime space .