#genus__genu  (biology) taxonomic group containing one or more species
  subtype:  form_genus  bacteria_genus  protoctist_genus  fish_genus  chordate_genus  bird_genus  amphibian_genus  reptile_genus  arthropod_genus  mammal_genus  sponge_genus  coelenterate_genus  ctenophore_genus  worm_genus  mollusk_genus  echinoderm_genus  type_genus  form_genus.genus  moss_genus  gymnosperm_genus  monocot_genus  dicot_genus  fungus_genus  plant_genus  fern_genus
  member:  subgenus  species
  member of:  family
  supertype:  taxonomic_group__taxonomicgroup__taxon  animal or plant group having natural relations
     supertype:  biological_group  a group of plants or animals
        supertype:  group__grouping  any number of entities (members) considered as a unit
           supertype:  collection  something gathering separated things (entities/situations)
              supertype:  divisible_entity__divisibleentity  many classifications under this category are application-dependant
                 supertype:  entity  something that can be "involved" in a situation
                    supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                 supertype:  divisible_thing__divisiblething
                    supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

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