#superclass_Agnatha__Agnatha  superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
  member:  #jawless_vertebrate  #order_Ostracodermi  #order_Anaspida  #order_Conodonta  #order_Cyclostomata
  member of:  #subphylum_Vertebrata
  supertype:  #class__clas  (biology) a taxonomic group containing one or more orders
     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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