#ictodosaur  intermediate in form between the therapsids and most primitive true mammals
  supertype:  synapsid_reptile__synapsid  extinct reptile having a single pair of lateral temporal openings in the skull
  member of:  order_Ictodosauria__Ictodosauria  extinct reptiles of the Upper Triassic
     member of:  subclass_Synapsida__Synapsida  extinct reptiles of the Permian to Jurassic considered ancestral to mammals
        member of:  class_Reptilia__Reptilia  class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
           member of:  subphylum_Vertebrata__Vertebrata__Craniata__subphylum_Craniata  fishes; amphibians; reptiles; birds; mammals
              member of:  phylum_Chordata__Chordata  comprises true vertebrates and animals having a notochord
                 member of:  kingdom_Animalia__Animalia__animal_kingdom  taxonomic kingdom comprising all living or extinct animals

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