#ceratodus  extinct lungfish
  supertype:  #lungfish  air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive drought
  member of:  #genus_Ceratodus  type genus of the Ceratodontidae: extinct genus of lungfishes
     member of:  #family_Ceratodontidae__Ceratodontidae  lungfishes having hornlike ridges on the teeth
        member of:  #subclass_Dipnoi__Dipnoi  bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii
           member of:  #class_Osteichthyes__Osteichthyes  a class of fish having a skeleton composed of bone in addition to cartilage
              member of:  #subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
                 member of:  #phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
                    member of:  #kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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