Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020] Archosauromorpha xxxHuene 1946 [Gauthier, Kluge & Rowe 1988] see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. Archosauria Cope, 1869 1 Family †Proterosuchidae von Huene, 1908 2.1 Family †Erythrosuchidae Watson, 1917 2.2.1 Family †Proterochampsidae Romer, 1966 2.2.2.1? Genus †Euparkeria Broom, 1914 2.2.2.2.1 Crocodylotarsi Benton & Clark, 1988 see Clade Crurotarsi Sereno & Arcucci 1990 2.2.2.2.2 Ornithosuchia see [unranked] Avesuchia Benton, 1999