tunicate

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Related to Urochordata: Cyclostomata, Cephalochordata

tunicate

or

urochordate

any minute marine chordate of the subphylum Tunicata, containing the sea squirts. They feed by ciliary action and lack a NOTOCHORD, though one is present in the tail of the tadpole larva.
References in periodicals archive ?
Volume III: Introduction, Cephalopoda, Annelida, Crustacea, Chaetognatha, Echinodermata, Urochordata.
2000) constataram sua presenca em 23 especies de diferentes filos, em que o glicosaminoglicano HS mostrou-se presente para todas as especies analisadas, o CS ausente em apenas tres especies e o DS presente somente no filo Urochordata.
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].
1 Urochordata [Ascidians (Tunicates or Sea Squirts), Larvaceans (Appendicularians), Thaliaceans (Salps, Doliolids, and Chain Tunicates)]