#family_Cactaceae__Cactaceae__cactus_family  constituting the order Opuntiales
  member:  cactus  genus_Acanthocereus  genus_Aporocactus  genus_Ariocarpus  genus_Carnegiea  genus_Cereus  genus_Coryphantha  genus_Echinocactus  genus_Echinocereus  genus_Epiphyllum  genus_Ferocactus  genus_Gymnocalycium  genus_Harrisia  genus_Hatiora  genus_Hylocereus  genus_Lemaireocereus  genus_Lophophora  genus_Mammillaria  genus_Melocactus  genus_Myrtillocactus  genus_Pediocactus  genus_Nopalea  genus_Opuntia  genus_Pereskia  genus_Rhipsalis  genus_Schlumbergera  genus_Selenicereus  genus_Zygocactus
  member of:  order_Opuntiales
  supertype:  caryophylloid_dicot_family__caryophylloiddicotfamily  family of relatively early dicotyledonous plants including mostly flowers
     supertype:  dicot_family__dicotfamily__magnoliopsid_family  family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
        supertype:  family  (biology) a taxonomic group containing one or more genera; "sharks belong to the fish 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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