#chordate_family  any family in the phylum Chordata
  supertype:  family  (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
  member of:  phylum_Chordata
  subtype:  family_Amphioxidae__Amphioxidae__Branchiostomidae__family_Branchiostomidae  lancelets
  subtype:  family_Salpidae__Salpidae  a small family of tunicates in the class Thaliacea
  subtype:  family_Doliolidae__Doliolidae  oceanic tunicates

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