"The <em>Clavellinidae</em>, or <em>Social Ascidians</em>, are united by means of a sort of creeping stem, which runs along the surface of submarine objects, and gives rise at intervals to short footstalks, at the extremity of which the animals are supported." &mdash; Goodrich, 1859

Social Ascidians

"The Clavellinidae, or Social Ascidians, are united by means of a sort of creeping…