A genus of simple ascidians, which formerly included most of the known species
A fold of the endoderm, which projects into the blood cavity of ascidians
Any compound ascidian of the genus Pyrosoma
Ascidiacea
[医] 海鞘目
Ascidiaceae
[网络] Ascidiacea
ascidian
n. 海鞘类
ascidian tadpole
[无脊椎动物]海鞘
ascidians
n. 海鞘（ascidian的复数形式）；海鞘类
class Ascidiaceae
[网络] 类Ascidiaceae
