#ascidian  minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves
  supertype:  #tunicate__urochordate__urochord  primitive marine animal having a saclike unsegmented body and a urochord (a notochord) conspicuous in the larva
  member of:  #class_Ascidiaceae
  subtype:  #sea_squirt__seasquirt  ascidian that can contract its body and eject streams of water

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