classification2

Classification of lower tetrapods 

Class Reptilia Linneus 1758

   Subclass Parareptilia Olson 1947

      Order Procolophonomorpha

          Suborder Procolophonia

             Superfamily Procolophonoidea

                 Family Nyctiphruretidae Efremov 1938

                    Family Procolophonidae Seeley 1888

          Suborder Pareiasauroidea

                 Family Lanthanosuchidae Efremov 1946

                    Family Nycteroleteridae Romer 1956

                    Family Pareiasauridae Seeley 1888

                    Family Bradysauridae Huene 1948

       Order Chelonia brongniart 1800

          Suborder Proganochelydia ROMER 1966

          Suborder Casichelydia GAFFNEY 1975          

   Subclass Eureptilia

       Order Diadectida

          Suborder Diadectomorpha

                Family Diadectidae

       Order Captorhinida

          Suborder Captorhinomorpha

                Family Protorothyrididae

                   Family Captorhinidae Case 1911

       Order Araeoscelida

                Family Petrolacosauridae

       Order Choristodera

                Family Champsosauridae

 Infraclass Lepidosauromorpha

    Superorder Lepidosauria

      Order Sphenodontida

                Family Sphenodontidae

     Superorder Sauropterygia      

Order Placodontia Cope 1871

        Suborder Placodontoidea Cope 1871

                Family Placodontidae Cope 1871

                Family Paraplacodontidae Peyer & Kuhn-Schnyder 1955

           Suborder Cyamodontoidea Nopcsa 1923

                 Superfamily Cyamodontida Romer 1956

                  Family Henodontidae F.v. Huene 1948

                  Family Cyamodontidae Nopcsa 1923

 Infraclass Archosauromorpha

    Superorder Archosauria

     Order Thecodontia

           Suborder Proterosuchia

                Family Proterosuchidae

          Suborder Ornithosuchia

                Family Euparkeriidae

          Suborder Aetosauria

                Family Stagonolepididae

     

Classification of fossil and living Chelonia

   Order Chelonia brongniart 1800 (Latreille 1800)

    Suborder Proganochelydia Romer 1966

          Superfamily Proganochelyoidea 

                Family Proganochelyidae Baur 1888      

       Suborder Casichelydia GAFFNEY 1975       

          Infraorder Cryptodira Cope 1868

           Family Pleurosternidae Cope 1868

                Family Kallokibotionidae Nopcsa 1923

                Family Solemydidae Lapparent de Broin & Murelaga 1996

                Family Thalassemydidae Zittel 1889

                Family Eurysternidae Dollo 1886

                Family Plesiochelyidae Baur 1888

           Superfamily Chelonioidea Oppel 1811

                Family Osteopygidae Zangerl 1953

                Family Cheloniidae Oppel 1811

                Family Protostegidae Cope 1872

           Superfamily Dermochelyoidea Fitzinger 1843

                Family Dermochelyidae FITZINGER 1843

           Superfamily Trionychoidea Fitzinger 1826

                Family Trionychidae Fitzinger 1826

                Family Cyclanorbidae LYDEKKER 1889

                Family Peltochelyidae Seeley 1880

          Superfamily Carettochelyoidea Boulenger 1887

                Family Carettochelydidae Boulenger 1887

                Family Kinosternidae Agassiz 1857

                Family Staurotypidae GRAY 1869

           Superfamily Chelydroidea gray 1831

                Family Chelydridae gray 1831

                Family Platysternidae gray 1869

           Superfamily Dermatemydoidae

                Family Dermatemydidae gray 1870

           Superfamily Testudinoidea batsch 1788

                Family Testudinidae batsch 1788

           Superfamily Emydoidea Rafinesque 1815

                Family Emydidae Rafinesque 1815

      Infraorder Pleurodira COPE 1864

             Family Proterochersidae Nopcsa 1928

                 Family Platychelyidae Bräm 1965

                 Family Dortokidae Lapparent de Broin & Murelaga 1996          

           Superfamily Pelomedusoides Cope 1868

               Family Pelomedusidae Cope 1868

           Superfamily Podocnemidoidea Cope 1868

            Family Bothremydidae Baur 1891

               Family Podocnemididae Cope 1868

           Superfamily Chelidoidea Gray 1825  

               Family Chelidae Gray 1825