After Parker, 1982, and Grimaldi & Engel, 2005, with Recent species from “WikiSpecies”

<==o Grylloblattodea Brues & Melander, 1932 [Grylloblattoidea Brues & Melander, 1915] (ice crawlers; sirkkatorakat)
   `--o Grylloblattidae E.M. Walker, 1914 (ice crawlers; sirkkatorakat)
      |--o Grylloblatta E.M. Walker, 1914
      |  |-- G. barberi Caudell, 1924
      |  |-- G. bifratrilecta Gurney, 1953
      |  |-- G. campodeiformis E.M. Walker, 1914
      |  |-- G. chandleri Kamp, 1963
      |  |-- G. chirurgica A.B. Gurney, 1961
      |  |-- G. gurneyi Kamp, 1963
      |  |-- G. occidentalis Silvestri, 1931
      |  |-- G. rothi A.B. Gurney, 1953
      |  |-- G. scudderi Kamp, 1979
      |  |-- G. sculleni A.B. Gurney, 1937
      |  `-- G. washoa A.B. Gurney, 1961
      |--o Grylloblattella Storozhenko, 1988
      |  |-- G. pravdini (Storozhenko & Oliger, 1984)
      |  `-- G. sayanensis Storozhenko, 1996
      |-- Grylloblattina djakonovi Bey-Bienko, 1951
      `--+--o Galloisiana Caudell, 1924 [paraphyletic if Namkungia excluded?]
         |  |-- G. chujoi Gurney, 1961
         |  |-- G. kiyosawai Asahina, 1959
         |  |-- G. kosuensis Namkung, 1974
         |  |-- G. nipponensis(Caudell & J.L. King, 1924)
         |  |-- G. notabilis (Silvestri, 1927)
         |  |-- G. olgae Vrsansky & Storozhenko, 2001
         |  |-- G. sinensis Wang, 1987
         |  |-- G. sofiae Szeptycki, 1987
         |  |-- G. ussuriensis Storozhenko, 1988
         |  |-- G. yezoensis Asahina, 1961
         |  `-- G. yuasai Asahina, 1959
         `--o Namkungia Storozhenko & Park, 2002
            |-- N. biryongensis (Namkung, 1974)
            `-- N. magnus(Namkung, 1986)

Reference(s):