appendicularia

English Thesaurus

1. free-swimming tadpole-shaped pelagic tunicate resembling larvae of other tunicates (noun.animal)

hypernym	:	tunicate, urochord, urochordate,
definition	:	primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva (noun.animal)

member meronym	:	genus appendicularia,
definition	:	a genus of chordates in the class Larvacea (noun.animal)