primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
[ Syn: tunicate , urochordate ]
a notochord of a larval tunicate typically confined to the caudal region
primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
[ Syn: tunicate , urochordate ]
a notochord of a larval tunicate typically confined to the caudal region