After Brochu, 1997, 1999

<==o Alligatoroidea Gray, 1844 sensu Brochu, 1997 (alligators & caimans; alligaattorinsukuiset krokotiilit, alligaattorit & kaimaanit)
   |-- †Leidyosuchus canadiensis Lambe, 1907; Pal. NA. [incl. Leidyosuchus gilmorei Mook, 1942]
   |?-o †Deinosuchus Holland, 1909 [Polyptychodon; Polydectes; Thecachampsa; Phobosuchus] L.Cret. NAm. (kauhukrokotiilit)
   |  |-- †D. rugosus (Emmons, 1858) [Crocodylus rugosus Emmons, 1858; Polyptychodon rugosus; Polydectes biturgidus Cope, 1869; Thecachampsa rugosa Cope, 1871; Crocodylus rugosus Hay, 1902; Deinosuchus hatcheri Holland, 1909]
   |  `-- †D. riograndensis (Colbert & Bird, 1954) [Phobosuchus riograndensis Colbert & Bird, 1954]
   `--+--o Diplocynodontidae [Diplocynodontinae]
      |  |?- †Tadzhikosuchus macrodentis Efimov, 1982b
      |  |-- †Baryphracta deboniae Frey, Laemmert & Riess, 1987
      |  `--o †Diplocynodon Pomel, 1847
      |     |?- †D. buetikonensis (von Meyer, 1855) [Crocodilus buetikonensis von Meyer, 1855]
      |     |?- †D. elavericus Martin, 2010
      |     |?- †D. gervaisi
      |     |?- †D. muelleri [Hispanochampsa muelleri]
      |     |?- †D. tormis
      |     |?- †D. ungeri
      |     |?- †D. tormis
      |     |?- †D. styriacus
      |     |-- †D. darwini (Ludvig, 1877) [D. ebertsi]
      |     `--+-- †D. ratelii Pomel, 1847 [D. gracile]
      |        `-- †D. hantoniensis (Wood, 1846)
      `--o Globidonta Brochu, 1999
         |-- †Stangerochampsa mccabei Wu, Brinkman & Russell, 1996
         |--o †Brachychampsa Gilmore, 1911
         |  |-- †B. montana Gilmore, 1911
         |  `-- †?B. sealyi Williamson, 1996 [jr syn. of B. montana sensu Sullivan & Lucas, 2003]
         `--o Alligatoridae Gray, 1844 sensu Brochu, 1997 (alligaattorit & kaimaanit)
            |-- †Listrognathosuchus multidentatus (Mook, 1930) Brochu, 1997 [Leidyosuchus multidentatus Mook, 1930] U. Cret. NA.
            |-- †Brachygnathosuchus braziliensis (Mook, 1921) [Dinosuchus terror??]
            |?-o †Eoalligator Young, 1964; Pal. EAs.
            |  |-- †E. chunyii Young, 1964
            |  `-- †e. huiningensis Young, 1982
            |-- Alligatorinae Gray, 1844 (true alligators; alligaattorit)
            `-- Caimaninae Brochu, 1999 [incl. Nettosuchidae] (caimans; kaimaanit)

Alligatoroidea incertae sedis:

    †“Allodaposuchusaffuvelensis (Matheron, 1869) [nomen dubium]
    †Dinosuchus terror [nomen dubium]
    †Xenosuchus paranensis [nomen vanum]
    †Balanerodus logimus Langston, 1965
    †Marrocosuchus zennaroiMusturzabalsuchus buffetauti Buscalioni, Ortega & Vasse, 1997


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