subphylum Urochorda

Thesaurus

Noun

1.subphylum Urochorda - tunicates subphylum Tunicata, subphylum Urochordata, Tunicata, Urochorda, UrochordataChordata, phylum Chordata - comprises true vertebrates and animals having a notochordtunicate, urochord, urochordate - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larvaAscidiaceae, class Ascidiaceae - sometimes classified as an order: sea squirtsclass Thaliacea, Thaliacea - small class of free-swimming tunicates; sometimes classified as an orderclass Larvacea, Larvacea - small free-swimming tunicates; sometimes classified as an orderphylum - (biology) the major taxonomic group of animals and plants; contains classes