#holocephalan  fish with high compressed head and a body tapering off into a long tail
  supertype:  cartilaginous_fish__cartilaginousfish__chondrichthian  fishes in which the skeleton may be calcified but not ossified
  member of:  subclass_Holocephali
  subtype:  chimaera  smooth-skinned deep-sea fish with a tapering body and long threadlike tail
     subtype:  rabbitfish__Chimaera_monstrosa  large European chimaera

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