#subgenus  (biology) taxonomic group between a genus and a species
  supertype:  taxonomic_group__taxonomicgroup__taxon  animal or plant group having natural relations
  member of:  genus__genu  (biology) taxonomic group containing one or more species
     member of:  family  (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
        member of:  order.taxonomic_group  (biology) taxonomic group containing one or more families
           member of:  class__clas  (biology) a taxonomic group containing one or more orders
              member of:  phylum  (biology) the major taxonomic group of animals and plants; contains classes
                 member of:  kingdom  one of seven biological categories: Monera or Protoctista or Plantae or Fungi or Animalia

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