cephalochordate

English Thesaurus

1. fish-like animals having a notochord rather than a true spinal column (noun.animal)

hypernym	:	chordate,
definition	:	any animal of the phylum Chordata having a notochord or spinal column (noun.animal)

hyponym	:	amphioxus, lancelet,
definition	:	small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates (noun.animal)

member meronym	:	cephalochordata, subphylum cephalochordata,
definition	:	lancelets (noun.animal)