#crossopterygian__lobefin__lobe-finned_fish  any fish of the order Crossopterygii; most known only in fossil form
  supertype:  #bony_fish  any fish of the class Osteichthyes
  member of:  #subclass_Crossopterygii
  subtype:  #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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