subphylum Urochordata

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Related to subphylum Urochordata: subphylum Cephalochordata, subphylum Vertebrata
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.subphylum Urochordata - tunicatessubphylum Urochordata - tunicates        
Chordata, phylum Chordata - comprises true vertebrates and animals having a notochord
tunicate, urochord, urochordate - primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
Ascidiaceae, class Ascidiaceae - sometimes classified as an order: sea squirts
class Thaliacea, Thaliacea - small class of free-swimming tunicates; sometimes classified as an order
class Larvacea, Larvacea - small free-swimming tunicates; sometimes classified as an order
phylum - (biology) the major taxonomic group of animals and plants; contains classes
References in periodicals archive ?
Several species of bryozoans (phylum Bryozoa), tunicates (subphylum Urochordata), and estuarine algae also were growing on retrieved DCPs.
The subphylum Urochordata (or Tunicata) of the phylum Chordata includes three classes: Ascidiacea, Thaliacea, and Appendicularia.
The class Larvacea is the most specialized in the subphylum Urochordata, or Tunicata, and contains some 70 species.