Urochordata


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Urochordata: Cyclostomata, Cephalochordata
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Urochordata - tunicatesUrochordata - 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 ?
In addition, many students have never learned about the subphylum Urochordata (sea squirts/tunicates) and are under the mistaken impression that all chordates have a back bone.
The Ascidians, commonly called sea squirts (Subphylum: Urochordata, Class Ascidiacea) are dominant organisms in many marine communities, having a wide geographic distribution [32].
The class Larvacea is the most specialized in the subphylum Urochordata, or Tunicata, and contains some 70 species.