#order_Ichthyosauria__Ichthyosauria  extinct marine reptiles: ichthyosaurs
  supertype:  animal_order  the order of animals
  member of:  subclass_Archosauria
  member:  ichthyosaur  any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
  member:  family_Ichthyosauridae__Ichthyosauridae  later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres
     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

No statement uses or specializes order_Ichthyosauria; click here to add one.