a. and sb. Zool. [f. mod.L. Appendiculāria (see prec.) + -AN.] A. adj. Pertaining to the Appendicularia, a family of minute ascidian mollusks, with long tail-appendages. B. sb. A member of this family.
1880. A. Wilson, in Gentl. Mag., CCXLVIII. 43–4. In the appendicularians we may perceive the existing representatives of the stock and ancestry which gave origin alike to the sea-squirt race and to the great vertebrate group itself.
