After Martin & Davis, 2001

<==o Thalassinidea Latreille, 1831
   |--o Axioidea Huxley, 1879
   |  |-- Axiidae Huxley, 1879
   |  |-- Calocarididae Ortmann, 1891
   |  |-- Micheleidae Sakai, 1992
   |  `-- Strahlaxiidae Poore, 1994
   `--+-- Thalassinidae Latreille, 1831 [Thalassinoidea Latreille, 1831]
      `--o Callianassoidea Dana, 1852
         |?- Axianassidae [not recognized by Martin & Davis, 2001]
         |-- Callianassidae Dana, 1852
         |-- Callianideidae Kossmann, 1880
         |-- Ctenochelidae Manning & Felder, 1991
         |-- Laomediidae Borradaile, 1903
         |-- Thomassiniidae de Saint Laurent, 1979
         `-- Upogebiidae Borradaile, 1903

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