After Lucas, Holbrook & Emry, 2003

Isectolophus Scott & Osborn, 1887
        †Parisectolophus Peterson, 1919
        †SchizolophodonHomogalaxIsectolophus radinskyiIsectolophus latidens (Osborn, Scott & Spier, 1878)
        Parisectolophus latidens (Osborn, Scott & Spier, 1878)
        Isectolophidae indet.; Gabuniya, 1963
        Isectolophus bogdulensis Reshetov, 1979; Lucas, Holbrook & Emry, 2003
        Isectolophidae cf. Homogalax; Gabuniya, 1983
        Isectolophidae cf. Homogalax; Gabuniya, 1984
        Homogalax reliquius Qi, 1987
        Isectolophus Emry & Lucas, 1999

†Isectolophus annectens Scott & Osborn, 1887

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