门: 尾索动物门
纲: 海鞘纲
目: 未定
科: 未定
属：长江海鞘属
种: 长江海鞘
描述:
身体呈杯状，由上下两部分构成。上部为构成动物主体的“萼杯”，下部是支撑这一“萼杯”的粗茎。整个身体全部包裹在一个结实的被囊之内。茎向下变逐渐变细。上部结构外形呈桶形，顶部有一个大开口，周围发育一圈短触须，背下侧有一个小泄殖腔。咽在上部结构内部，占身体体积的三分之二以上。
Phylum: Urochordata
Class: Ascidiacea
Order: uncertain
Family: uncertain
Genus：Cheungkongella Shu, Chen, Han and Zhang, 2001
Specie: Cheungkongella ancestralis Shu, Chen, Han and Zhang, 2001
Description:
The body is club-shaped, with two-fold division: an upper main body and a lower thick supporting stem attached to hard substratum. The body is wholly enclosed within a structure interpreted as a secreted tunic. The stem tapers downward, and the main body is bucket-shaped in outline, bearing a large oral siphon with short tentacles on its top and a small cloacal one on the lower dorsal side. A pharynx occupies over two-thirds of the body volume.
时代：寒武纪，第二统，第三阶
主要产地: 中国云南澄江生物群。
Age: Cambrian, Series 2, Stage 3
Principal localities: The Chengjiang Lagerstaätte, Yunnan Province, China.
Shu, D.G. et al. 2001. An Early Cambrian tunicate from China. Nature, 411, 472-473.