#amphibian_family__amphibianfamily  any family of amphibians
  subtype:  #family_Salamandridae  #family_Ambystomatidae  #family_Cryptobranchidae  #family_Dicamptodontidae  #family_Plethodontidae  #family_Amphiumidae  #family_Sirenidae  #family_Ranidae  #family_Leptodactylidae  #family_Polypedatidae  #family_Ascaphidae  #family_Leiopelmatidae  #family_Bufonidae  #family_Discoglossidae  #family_Pelobatidae  #family_Hylidae  #family_Microhylidae  #family_Pipidae  #family_Xenopodidae  #family_Caeciliidae
  member of:  #subphylum_Vertebrata
  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:  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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