#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:  pm#collection  something gathering separated things (entities/situations)
              supertype:  pm#divisible_entity__divisibleentity  many classifications under this category are application-dependant
                 supertype:  pm#entity  something that can be "involved" in a situation
                    supertype:  pm#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:  pm#divisible_thing__divisiblething
                    supertype:  pm#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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