#ichthyosaur  any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
  supertype:  #archosaur__archosaurian__archosaurian_reptile  extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
  member of:  #order_Ichthyosauria
  subtype:  #ichthyosaurus__ichthyosauru  ichthyosaurs of the Jurassic
  subtype:  #stenopterygius__Stenopterygius_quadrisicissus  an ichthyosaur of the genus Stenopterygius

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