#phylum_Echinodermata__Echinodermata  radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
  member:  echinoderm  class_Asteroidea  class_Ophiuroidea  class_Echinoidea  class_Crinoidea  class_Holothuroidea
  member of:  kingdom_Animalia
  supertype:  phylum  (biology) the major taxonomic group of animals and plants; contains classes
     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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