subphylum urochordata

from WordNet (r) 3.0 (2006)
subphylum Urochordata
    n 1: tunicates [syn: {Urochordata}, {subphylum Urochordata},
         {Urochorda}, {subphylum Urochorda}, {Tunicata}, {subphylum
         Tunicata}]
    

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