After Parker, 1982, with some families from Martin & Davis, 2001 and Finnish names from Lahti, et al., 1980

<==o Brachyrhyncha
   |?- Cryptochiridae [Cryptochiroidea Paulson, 1875] [From Martin & Davis, 2001]
   |--o Portunoidea Rafinesque, 1815
   |  |-- Ceryonidae Colosi, 1923
   |  `-- Portunidae Rafinesque, 1815
   |--o Bythograeoidea Williams, 1980
   |  `-- Bythograeidae Williams, 1980
   |--o Xanthoidea MacLeay, 1838
   |  |?- Carpiliidae Ortmann, 1893 [from Martin & Davis, 2001]
   |  |?- Eumedonidae Dana, 1853 [from Martin & Davis, 2001]
   |  |-- Goneplacidae MacLeay, 1838 [Coneplagidae lapsus calami]
   |  |-- Hexapodidae Miers, 1886
   |  |?- Menippidae Ortmann, 1893 [from Martin & Davis, 2001]
   |  |?- Panopeidae Ortmann, 1893 [from Martin & Davis, 2001]
   |  |?- Pilumnidae Samouelle, 1819 [from Martin & Davis, 2001]
   |  |-- Platyxanthidae Guinot, 1977
   |  |?- Pseudorhombilidae Alcock, 1900 [from Martin & Davis, 2001]
   |  |?- Trapeziidae Miers, 1886 [from Martin & Davis, 2001]
   |  `-- Xanthidae MacLeay, 1838
   |--o Bellioidea Dana, 1852
   |  `-- Belliidae Dana, 1852
   |--o GRAPSIDOIDEA
   |  |-- Grapsidae (mangroveravut)
   |  |-- Gecarcinidae (maaravut)
   |  `-- Mictyridae
   |--o PINNOTHEROIDEA
   |  `-- Pinnotheridae
   |--o Potamoidea Ortmann, 1896 [incl. Pseudothelphusoidea Ortmann, 1893; Gecarcinucoidea Rathbun, 1904]
   |  |-- Deckeniidae Ortmann, 1897
   |  |-- Gecarcinucidae Rathbun, 1904 [Gecarcinucoidea Rathbun, 1904]
   |  |-- Isolapotamidae [not recognized by Martin & Davis, 2001]
   |  |-- Parathelphusidae Alcock, 1910 [Gecarcinucoidea Rathbun, 1904]
   |  |?- Platythelphusidae Colosi, 1920 [from Martin & Davis, 2001]
   |  |-- Potamidae Ortmann, 1896 (jokitaskuravut)
   |  |-- Potamocarcinidae [not recognized by Martin & Davis, 2001]
   |  |-- Potamonautidae Bott, 1970
   |  |-- Pseudothelphusidae Ortmann, 1893 [Pseudothelphusoidea Ortmann, 1893]
   |  |-- Sinopotamidae [not recognized by Martin & Davis, 2001]
   |  |-- Sundathelphusidae [not recognized by Martin & Davis, 2001]
   |  `-- Trichodactylidae Milne Edwards, 1853 [treated as Portunoid by Martin & Davis, 2001]
   |--o Ocypodoidea Rafinesque, 1815 (simpukkataskuravut)
   |  |?- Camptandriidae Stimpson, 1858 [from Martin & Davis, 2001]
   |  |?- Mictyridae Dana, 1851 [from Martin & Davis, 2001]
   |  |-- Ocypodidae Rafinesque, 1815
   |  |-- Retroplumidae Gill, 1894 [place in Retroplumoidae by Martin & Davis]
   |  `-- Palicidae Bouvier, 1898
   `--o Hapalocarcinoidea [not recognized by Martin & Davis, 2001]
      `-- Hapalocarcinidae [not recognized by Martin & Davis, 2001]

Reference(s):