#subclass_Crossopterygii__Crossopterygii  fishes having paired fins resembling limbs and regarded as ancestral to amphibians
  supertype:  #class__clas  (biology) a taxonomic group containing one or more orders
  member of:  #class_Osteichthyes
  member:  #crossopterygian__lobefin__lobe-finned_fish  any fish of the order Crossopterygii; most known only in fossil form
  member:  #family_Latimeridae__Latimeridae  extinct except for the coelacanth
     member:  #genus_Latimeria__Latimeria  type genus of the Latimeridae: coelacanth
        member:  #coelacanth__Latimeria_chalumnae  fish thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of Africa

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