Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
     Class Reptilia Linnaeus, 1758 - reptiles
       Subclass Lepidosauria Duméril & Bibron, 1839
         Order Squamata Oppel, 1811
           Suborder Amphisbaenia Gray, 1844 - amphisbaenians
             Family Amphisbaenidae Gray, 1825 - worm lizards
             Family Trogonophidae Vanzolini, 1951 - shorthead worm lizards see Family Trogonophiidae Vanzolini, 1951