#family_Ichthyosauridae__Ichthyosauridae  later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres
  supertype:  #reptile_family__reptilefamily  a family of reptiles
  member of:  #order_Ichthyosauria
  member:  #genus_Ichthyosaurus  type genus of the Ichthyosauridae
     member:  #ichthyosaurus__ichthyosauru  ichthyosaurs of the Jurassic
  member:  #genus_Stenopterygius  a reptile genus of Ichthyosauridae
     member:  #stenopterygius__Stenopterygius_quadrisicissus  an ichthyosaur of the genus Stenopterygius

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