After Ahyong, Lai, Sharkey, Colgan & Ng, 2007, Parker, 1982, and Martin & Davis, 2001; with Recent genera and species from the “WoRMS – World Record of Marine Species”

Alternative, older, taxonomy after Parker, 1982

<==o Brachyura Latreille, 1802 (crabs; taskuravut)
   |-- Dromiacea de Haan, 1833
   `--+--o Raninoidea de Haan, 1839
      |  |--o Symethis Weber, 1795 [non Symenthis Goeke] [Symethidae Goeke, 1981]
      |  |  |-- S. corallica Davie, 1989
      |  |  |-- S. garthi Goeke, 1981
      |  |  `-- S. variolosa (Fabricius, 1793)
      |  `--o Raninidae de Haan, 1839
      |     |-- †Erroranilia Boyko, 2004 [†Paralbunea Hu & Tao, 1996]
      |     |-- Cyrtorhina Monod, 1956 [Cyrtorhininae Guinot, 1993]
      |     |--o Lyreidinae Guinot, 1993
      |     |  |-- Lyreidus De Haan, 1841
      |     |  `-- Lysirude Goeke, 1985
      |     |--o Notopodinae Serčne & Umali, 1972
      |     |  |-- Cosmonotus White, 1848
      |     |  |-- Notopus De Haan, 1841
      |     |  |-- Ranilia H. Milne Edwards, 1837
      |     |  `-- Umalia Guinot, 1993
      |     |-- Ranina Lamarck, 1801 [Ranininae de Haan, 1839]
      |     `--o Raninoidinae Lörenthey & Beurlen, 1929
      |        |-- Notopoides Henderson, 1888
      |        |-- Notosceles Bourne, 1922
      |        `-- Raninoides H. Milne Edwards, 1837
      `--+--o Cyclodorippoidea Ortmann, 1892 [Tymoloidea Alcock]
         |  |--o Cymonomidae Bouvier, 1897
         |  |  |-- Curupironomus Tavares, 1993
         |  |  |-- Cymonomoides Tavares, 1993
         |  |  |-- Cymonomus A. Milne-Edwards, 1880
         |  |  |-- Cymopolus A. Milne-Edwards, 1880
         |  |  `-- Elassopodus Tavares, 1993
         |  |?-o Phyllotymolinidae Tavares, 1998
         |  |  |-- Genkaia Miyake & Takeda, 1970
         |  |  |-- Lonchodactylus Tavares & Lemaitre, 1996
         |  |  `-- Phyllotymolinum Tavares, 1993
         |  `--o Cyclodorippidae Ortmann, 1892 [Tymolidae Alcock]
         |     |--o Cyclodorippinae Ortmann, 1892
         |     |  |-- Clythrocerus A. Milne-Edwards & Bouvier, 1899
         |     |  |-- Corycodus A. Milne-Edwards, 1880
         |     |  |-- Cyclodorippe A. Milne-Edwards, 1880
         |     |  |-- Deilocerus Tavares, 1993
         |     |  |-- Neocorycodus Tavares, 1993
         |     |  |-- Simodorippe Chace, 1940
         |     |  `-- Tymolus Stimpson, 1858
         |     `--o Xeinostomatinae Tavares, 1992
         |        |-- Ketamia Tavares, 1992
         |        |-- Krangalangia Tavares, 1992
         |        `-- Xeinostoma Stebbing, 1920
         `--o Eubrachyura de Saint Laurent, 1980
            |?- †Tepexicercinus tlayuaensis Feldmann, Vega et al., 1998 [Tepexicarcinidae Luque, 2015]
            `==o Heterotremata Guinot, 1977 [Oxystomata, Oxyrhyncha, Cancridea and Brachyrhyncha in partim]
               |-- Majoidae Samouelle, 1819
               `--+--+-- Hymenosomatoidea Macleay, 1838
                  |  `-- Dorippoidea MacLeay, 1838
                  `--+-- Calappidae Milne Edwards, 1837
                     `--+--+-- Parthenopidae MacLeay, 1838
                        |  `-- Portunoidea Rafinesque, 1815
                        `--+-- Trapeziidae Miers, 1886
                           `--+-- Eriphiidae MacLeay, 1838
                              |-- Xanthidae MacLeay, 1838
                              `--+--+-- Aethridae Dana, 1851
                                 |  |-- Carpiliidae Ortmann, 1893
                                 |  `--+-- Dairidae Ng & Rodriguez, 1986
                                 |     `-- Hepatidae Stimpson, 1871
                                 `--+-- Leucosiidae Samouelle, 1819
                                    `--o Thoracotremata Guinot, 1977 [Brachyrhyncha in partim]
                                       |-- Ocypodoidea Rafinesque, 1815 (simpukkataskuravut)
                                       `-- Grapsoidea MacLeay, 1838

After Martin & Davis, 2001

<==o Brachyura (Crabs; taskuravut)
   |--o Dromiacea
   |  |--o Homolodromioidea
   |  |  `-- Homolodromiidae
   |  |--o Dromioidea
   |  |  |-- Dromiidae
   |  |  `-- Dynomenidae
   |  `--o Homoloidea
   |     |-- Homolidae
   |     |-- Latreilliidae
   |     `-- Poupiniidae
   `--o Eubrachyura
      |--o Raninoida
      |  |--o Raninoidea
      |  |  |-- Symethidae
      |  |  `-- Raninidae
      |  `--o Cyclodorippoidea
      |     |-- Cyclodorippidae
      |     |-- Cymonomidae
      |     `-- Phyllotymolinidae
      `--+== Heterotremata [paraphyletic]
         `--o Thoracotremata
            |--o Pinnotheroidea
            |  `-- Pinnotheriidae
            |--o Ocypodoidea
            |  |-- Camptandriidae
            |  |-- Mictyridae
            |  |-- Ocypodidae
            |  `-- Palicidae
            `--o Grapsoidea
               |-- Gecarcinidae
               |-- Glyptograpsidae
               |-- Grapsidae
               |-- Plagusiidae
               |-- Sesarmidae
               `-- Varunidae

After Parker, 1982, with some families from Martin & Davis, 2001

<==o Brachyura
   |--o Dromiacea
   |  |--o Dromioidea
   |  |  |-- Homolodromiidae
   |  |  |-- Dromiidae
   |  |  |-- Dynomenidae
   |  |  |-- Cymonomidae
   |  |  `-- Tymolidae [not recognized by Martin & Davis, 2001]
   |  |--o Homoloidea
   |  |  |-- Homolidae
   |  |  |-- Latreilliidae
   |  |  `-- Poupiniidae
   |  `--o Raninoidea
   |     `-- Raninidae
   |--o Oxystomata
   |  |--o Dorippoidea
   |  |  |?- Orithyiidae [from Martin & Davis, 2001]
   |  |  `-- Dorippidae
   |  `--o Leucosioidea
   |     |?- Hepatidae [from Martin & Davis, 2001]
   |     |?- Matutidae [from Martin & Davis, 2001]
   |     |-- Calappidae
   |     `-- Leucosiidae
   |--o Oxyrhyncha
   |  |--o Majoidea
   |  |  |?- Epialtidae [from Martin & Davis, 2001]
   |  |  |?- Inachidae [from Martin & Davis, 2001]
   |  |  |?- Inachoididae [from Martin & Davis, 2001]
   |  |  |?- Mithracidae [from Martin & Davis, 2001]
   |  |  |?- Pisidae [from Martin & Davis, 2001]
   |  |  |?- Tychidae [from Martin & Davis, 2001]
   |  |  `-- Majidae
   |  |--o Hymenosomatoidea
   |  |  `-- Hymenosomatidae
   |  |--o Mimilambroidea
   |  |  `-- Mimilambridae
   |  `--o Parthenopoidea
   |     |?- Aethridae [from Martin & Davis, 2001]
   |     |?- Dairidae [from Martin & Davis, 2001]
   |     |?- Daldorfiidae [from Martin & Davis, 2001]
   |      `-- Parthenopidae
   |--o Cancridea
   |  `--o Cancroidea
   |     |-- Atelecyclidae
   |     |-- Cancridae
   |     |?- Cheiragonidae [from Martin & Davis, 2001]
   |     |-- Corystidae
   |     |-- Pirimelidae
   |     `-- Thiidae
   `--o Brachyrhyncha
      |?-o Cryptochiroidea
      |  `-- Cryptochiridae [from Martin & Davis, 2001]
      |--o Portunoidea
      |  |-- Ceryonidae
      |  `-- Portunidae
      |--o Bythograeoidea
      |  `-- Bythograeidae
      |--o Xanthoidea
      |  |?- Carpiliidae [from Martin & Davis, 2001]
      |  |?- Eumedonidae [from Martin & Davis, 2001]
      |  |-- Goneplacidae
      |  |-- Hexapodidae
      |  |?- Menippidae [from Martin & Davis, 2001]
      |  |?- Panopeidae [from Martin & Davis, 2001]
      |  |?- Pilumnidae [from Martin & Davis, 2001]
      |  |-- Platyxanthidae
      |  |?- Pseudorhombilidae [from Martin & Davis, 2001]
      |  |?- Trapeziidae [from Martin & Davis, 2001]
      |  `-- Xanthidae
      |--o Bellioidea
      |  `-- Belliidae
      |--o Grapsidoidea
      |  |-- Grapsidae
      |  |-- Gecarcinidae
      |  `-- Mictyridae
      |--o Pinnotheroidea
      |  `-- Pinnotheridae
      |--o Potamoidea [incl. Pseudothelphusoidea; Gecarcinucoidea]
      |  |-- Deckeniidae
      |  |-- Gecarcinucidae [Gecarcinucoidea]
      |  |-- Isolapotamidae [not recognized by Martin & Davis, 2001]
      |  |-- Parathelphusidae [Gecarcinucoidea]
      |  |?- Platythelphusidae [from Martin & Davis, 2001]
      |  |-- Potamidae
      |  |-- Potamocarcinidae [not recognized by Martin & Davis, 2001]
      |  |-- Potamonautidae
      |  |-- Pseudothelphusidae [Pseudothelphusoidea Ortmann, 1893]
      |  |-- Sinopotamidae [not recognized by Martin & Davis, 2001]
      |  |-- Sundathelphusidae [not recognized by Martin & Davis, 2001]
      |  `-- Trichodactylidae [treated as Portunoid by Martin & Davis, 2001]
      |--o Ocypodoidea
      |  |?- Camptandriidae [from Martin & Davis, 2001]
      |  |?- Mictyridae [from Martin & Davis, 2001]
      |  |-- Ocypodidae
      |  |-- Retroplumidae [placed in Retroplumoidea by Martin & Davis]
      |  `-- Palicidae
      `--o Hapalocarcinoidea [= Cryptochiroidea (Martin & Davis, 2001)]
         `-- Hapalocarcinidae [= Cryptochiridae (Martin & Davis, 2001)]


Reference(s):