reptiles Linnaeus 1758 [Laurin & Reisz 2020] see Class Reptilia Linnaeus, 1758
   Pan-Archosauria Gauthier 2020
     †Tanystropheidae Camp 1945 [Dilkes 1998] see Family Tanystropheidae Gervais, 1859
       1 Genus †Macrocnemus Nopcsa, 1931
       2.1 Genus †Amotosaurus Fraser & Rieppel, 2006
       2.2.1 Genus †Langobadisaurus Saller, Renesto & Dalla Vecchia, 2013, orth. inval. see Genus Langobardisaurus Renesto, 1994
       2.2.2.1 Genus †Tanytrachelos Olsen, 1979
       2.2.2.2.1 Genus †Tanystropheus Meyer, 1852
       2.2.2.2.2 Genus †Augustaburiania Sennikov, 2011