urochordate

WORDNET DICTIONARY

urochordate(n = noun.animal) tunicate, urochord - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva;

is a kind of chordate

is a member of subphylum tunicata, subphylum urochorda, subphylum urochordata, tunicata, urochorda, urochordata

has particulars: ascidian, salp, salpa, doliolum, larvacean, appendicularia