Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. see Clade Archosauromorpha von Huene 1946 [Gauthier 2020] Status: extant; Count: [*†*] 2g;2s; †68g;74s Archosauriformes Gauthier 1994, nom. cl. inval. see Clade Archosauriformes Gauthier 1994 [Gauthier 2020] Period: Late Permian - Present [259.8 Mya - present]; Status: extant; Count: [*†*] 2g;2s; †66g;72s Crurotarsi Sereno & Arcucci 1990 Period: Early Triassic - Present [252.17 Mya - present]; Status: extant; Count: [*†*] 2g;2s; †60g;66s Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. see Clade Archosauria Cope 1869 [Gauthier & Padian 2020] Period: Early Triassic - Present [252.17 Mya - present]; Status: extant; Count: [*†*] 2g;2s; †57g;63s Pseudosuchia Zittel 1887-1890 [Gauthier & Padian 1985] Period: Early Triassic - Present [252.17 Mya - present]; Status: extant; Count: [*†*] 1g;1s; †31g;36s Suchia Krebs 1974 [Sereno 1991] Status: extant; Count: [*†*] 1g;1s; †29g;34s Paracrocodylomorpha Parrish 1993 Period: Early Triassic - Present [252.17 Mya - present]; Status: extant; Count: [*†*] 1g;1s; †22g;27s †Poposauroidea Nopcsa 1923 [Weinbaum & Hungerbühler 2007] see Superfamily Poposauroidea Nopcsa, 1923 Period: Early Triassic - Late Triassic [252.17 - 201.3 Mya]; Status: fossil; Count: [†*] †8g;8s Genus †Xilousuchus Wu, 1981 Status: fossil; Count: [†*] †1s 1 †Xilousuchus sapingensis Wu, 1981 Distribution: Palearctic/China; Period: Early Triassic [252.17 - 247.2 Mya]; Status: fossil; Count: -