#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
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member of:  class_Osteichthyes
  member:  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:  family_Ceratodontidae__Ceratodontidae  lungfishes having hornlike ridges on the teeth
     member:  genus_Ceratodus  type genus of the Ceratodontidae: extinct genus of lungfishes
        member:  ceratodus  extinct lungfish
     member:  genus_Neoceratodus__Neoceratodus  extant Australian lungfishes
        member:  barramunda__barramundi__Neoceratodus_forsteri  large edible Australian lungfish having paddle-shaped fins

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