( n. )
A genus of simple ascidians, which formerly included most of the known species. It is sometimes used as a name for the Ascidioidea, or for all the Tunicata.
( n. )
A genus of simple ascidians, which formerly included most of the known species. It is sometimes used as a name for the Ascidioidea, or for all the Tunicata.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012