#phylum  (biology) the major taxonomic group of animals and plants; contains classes
  subtype:  phylum_Pyrrophyta  phylum_Protozoa  phylum_Cryptophyta  phylum_Chordata  subphylum_Cephalochordata  subphylum_Urochordata  subphylum_Vertebrata  phylum_Arthropoda  subphylum_Pentastomida  phylum_Porifera  phylum_Cnidaria  phylum_Ctenophora  phylum_Acanthocephala  phylum_Chaetognatha  phylum_Platyhelminthes  phylum_Nemertea  phylum_Pogonophora  phylum_Rotifera  phylum_Nematoda  phylum_Annelida  phylum_Mollusca  phylum_Phoronida  phylum_Bryozoa  phylum_Ectoprocta  phylum_Entoprocta  phylum_Cycliophora  phylum_Brachiopoda  phylum_Sipuncula  phylum_Echinodermata  division.phylum
  member:  subphylum  class
  member of:  kingdom
  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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