Larvalia \Lar*va"li*a\, n. pl. [NL. See {Larval}.] (Zo["o]l.) An order of Tunicata, including Appendicularia, and allied genera; -- so called because certain larval features are retained by them through life. Called also {Copelata}. See {Appendicularia}. Copelata \Cop`e*la"ta\, n. pl. [NL., fr. Gr. ? a rower.] (Zo["o]l.) See {Larvalla}.