#tardigrade  an arthropod of the division Tardigrada
  supertype:  arthropod  invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
  member of:  class_Tardigrada
  part:  stylet  small needle-like appendage; especially the feeding organ of a tardigrade

No statement uses or specializes tardigrade; click here to add one.