After Crandall, 1995-2000a, b, c, and Martin and Davis, 2001

<==o Astacidea Latreille, 1802 (creyfish-like crabs; suursaksiset ravut)
   |-- Glypheidae Winkler, 1883 [Glypheoidea Winkler, 1883] [have been treated as palinurans]
   |-- Enoplometopus [Enoplometopoidea de Saint Laurent, 1988: Enoplometopidae de Saint Laurent, 1988]
   |--o Nephropoidea Dana, 1852 (clawed lobsters)
   |  |-- Thaumastochelidae Bate, 1888
   |  `-- Nephropidae Dana, 1852 (lobsters; hummerit)
   `--+-- Parastacidae Huxley, 1879 [Parastacoidea Huxley, 1879] (etelänravut 2)
      `--o Astacoidea Latreille, 1802
         |--o Astacidae Latreille, 1802
         |  |--o Pacifastacus
         |  |  |-- P. (Pacifastacus) leniusculus
         |  |  `--o (Hobbsastacus)
         |  |     |-- P. (H.) connectens
         |  |     |-- P. (H.) gambelii
         |  |     |-- P. (H.) nigrescens
         |  |     |-- †P. (H.) chenoderma
         |  |     `-- P. (H.) fortis
         |  `--+--o Astacus
         |     |  |-- A. astacus (jokirapu)
         |     |  |-- A. leptodactylus (pitkäsaksirapu)
         |     |  `-- A. pachypus 
         |     `-- Austropotamobius 
         `-- Cambaridae Hobbs, 1942

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