After Alvarenga & Höfling, 2003

<==o †Phorusrhacidae Ameghino, 1899 sensu Alvarenga & Höfling, 2003 (phorusrhacids, thunderbirds; hirmulinnut; ukkoslinnut, forusrakit) [taxonomic history]
   |?- †Lavocatavis africana Mourer-Chauviré, Tabuce, Mahboudi, Adaci & Bensalah, 2011; M.Eoc. NWAf.
   |--o †Brontornithinae Moreno & Mercerat, 1891 [taxonomic history]
   |  |-- †Brontornis burmeisteri Moreno & Mercerat, 1891 [Rostrornis floweri Moreno & Mercerat, 1891; Brontornis platyonyx Ameghino, 1895]
   |  |-- †Physornis fortis Ameghino, 1895 [Aucornis euryrhynchus Ameghino, 1898]
   |  `-- †Paraphysornis brasiliensis (Alvarenga, 1982) Alvarenga, 1993 [Physornis brasiliensis Alvarenga, 1982]
   |--o †Phorusrhacinae Ameghino, 1889 [taxonomic history]
   |  |-- †Phorusrhacos longissimus Ameghino, 1899 [taxonomic history]
   |  |-- †Devincenzia pozzi (Kraglievich, 1931) Kraglievich, 1932 [taxonomic history]
   |  `-- †Titanis walleri Brodkorb, 1963
   |--o †Patagornithinae Mercerat, 1897  [taxonomic history]
   |  |-- †Patagornis marshi Moreno & Mercerat, 1891 [Tolmodus inflatus Ameghino, 1891; Phororhacos inflatus Ameghino, 1891; Paleociconia cristata Brodkorb, 1967; Morenomerceraria cristata Lambrecht, 1933]
   |  |-- †Andrewsornis abbotti Paterson, 1941
   |  `-- †Andalgalornis steulleti (Kraglievich, 1931) Patterson & Kraglievich, 1960 [Phororhacos steulleti Kraglievich, 1931; Phorohacos deautieri Kraglievich, 1931; Andalgalornis ferox Patterson & Kraglievich, 1960]
   |--o †Psilopterinae Dolgopol de Saez, 1927 [taxonomic history]
   |  |-- †Eleutherornis cotei (Gaillard, 1936) Schaub, 1940 sensu Angst et al., 2013 [Diatryma? cotei Gaillard, 1936; Eleutherornis helveticus Schaub, 1940] M.Eoc. CEu.
   |  |--o †Psilopterus Moreno & Mercerat, 1891 [taxonomic history]
   |  |  |-- †P. bachmanni (Moreno & Mercerat, 1891) [taxonomic history]
   |  |  |-- †P. lemoinei (Moreno & Mercerat, 1891) [taxonomic history]
   |  |  |-- †P. affinis (Ameghino, 1899) [taxonomic history]
   |  |  `-- †P. colzecus Tonni & Tambussi, 1988
   |  |-- †Procariama simplex Rovereto, 1914
   |  `-- †Paleopsilopterus itaboraiensis Alvarenga, 1985
   `--o †Mesembriornithinae Kraglievich, 1932 [taxonomic history]
      `--o †Mesembriornis Moreno, 1889 [taxonomic history]
         |-- †M. milneedwardsi Moreno, 1889 [taxonomic history]
         `-- †M. incertus (Rovereto, 1914)  [taxonomic history]

Reference(s):