#class_Thaliacea__Thaliacea  small class of free-swimming tunicates; sometimes classified as an order
  supertype:  #class__clas  (biology) a taxonomic group containing one or more orders
  member:  #family_Salpidae  #family_Doliolidae
  member of:  #subphylum_Urochordata__Urochordata__Urochorda__subphylum_Urochorda__Tunicata__subphylum_Tunicata  tunicates
     member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
        member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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