After Barsbold, & Osmólska, 1990, Kobayashi & Lü, 2003, Q. Ji, Norell, Makovicky, Gao, Ji, S.-A. & Yuan, 2003, and Y.-N. Lee, Barsbold, Currie, Kobayashi, H.-J. Lee, Godefroit, Escuillie, & Chinzorig, 2014

<==o †Ornithomimosauria Barsbold, 1976b (Ostrich-mimic dinosaurs; strutsisaurit)
   |?- †Ornithomomosauria genera et species indet. [IGM 100/1245] [L.Cret. Mongolia] [Ksepka & Norell, 2004]
   |?- †Alvarezsauridae Bonaparte, 1991 sensu Sereno, 1999
   |-- †Nqwebasaurus thwazi de Klerk, Forster, Sampson, Chinsamy & Ross, 2000 sensu Choiniere et al., 2012
   `--+-- †Pelecanimimus polyodon Perez-Moreno, Sanz, Buscalloni, Moratalla, Ortega & Rasskin-Gutman, 1994; E.Cret. SWEu.
      `--+-- †Shenzhousaurus orientalis Ji, Q., Norell, Makovicky, Gao, Ji, S.-A. & Yuan, 2003
         |?- †Arkansaurus fridayi Hunt & †Quinn, 2018 [Note: Dr. James H. Quinn died in 1977]
         |?- †Hexing qingyi Jin, Chen & Godefroit, 2012
         |?- †Kinnareemimus khonkaenensis Buffetaut, Suteethorn & Tong, 2009
         |?- †Nedcolbertia justinhofmanni Kirkland, Britt, Whittle, Madsen & Burge, 1998 ["Nedcolbertia" whittlei] [a basal ornithomimosaur sensu Brownstein, 2017]
         `--+-- †Harpymimus okladnikovi Barsbold & Perle, 1984 [Harpymimidae Barsbold & Perle, 1984]
            `--o †Ornithomimoidea Marsh, 1890b
               |--o †Deinocheiridae Osmólska & Roniewicz, 1970 sensu Lee et al., 2014 [incl. Garudimimidae Barsbold, 1981]
               |  |-- †Beishanlong grandis Makovicky, Li, Gao, Lewin, Erickson & Norell, 2009; E.Cret. CAs.
               |  `--+-- †Deinocheirus miraficus Osmólska & Roniewics, 1970; L.Cret. EAs.
               |     `-- †Garudimimus brevipes Barsbold, 1981 [Garudimimidae Barsbold, 1981] L.Cret. EAs.
               `--o †Ornithomimidae Marsh, 1890b sensu Smith & Galton, 1990
                  |-- †Archaeornithomimus asiaticus (Gilmore, 1933) [Ornithomimus asiaticus Gilmore, 1933] [Archaeornithomiminae]
                  `--+-- †Sinornithomimus dongi Kobayashi & Lü, 2003
                     `--o †Ornithomiminae Marsh, 1890b
                        |--+-- †Gallimimus bullatus Osmólska, Roniewics & Barsbold, 1972
                        |  `-- †Anserimimus planinychus Barsbold, 1988
                        `--o †Ornithomimini Marsh, 1890b
                           |?- †Qiupalong henanensis Xu, Kobayashi, Lü, Lee, Liu, Tanaka, Zhang, Jia & Zhang, 2011; L.Cret. NEAs.
                           |-- †Struthiomimus altus (Lambe, 1902) [Ornithomimus altus Lambe, 1902]
                           `--+--o †Dromiceiomimus Russell, 1972
                              |  |-- †D. brevitertius (Parks, 1926b) [Struthiomimus brevitertius Parks, 1926b, Struthiomimus ingens Parks, 1933]
                              |  `-- †D. samueli (Parks, 1928b) [Struthiomimus samueli Parks, 1928b]
                              `--o †Ornithomimus Marsh, 1890b
                                 |-- †O. velox Marsh, 1890b
                                 `-- †O. edmontonensis Sternberg, 1933 [incl. Struthiomimus currelli Parks, 1933]

After Y.-N. Lee, Barsbold, Currie, Kobayashi, H.-J. Lee, Godefroit, Escuillie, & Chinzorig, 2014

<==o †Ornithomimosauria
   |-- †Nqwebasaurus
   `--+-- †Pelecanimimus
      `--+-- †Shenzhousaurus
         `--+-- †Harpymimus
            `--+--o †Deinocheiridae
               |  |-- †Beishanlong
               |  `--+-- †Garudimimus
               |     `-- †Deinocheirus
               `--o †Ornithomimidae
                  |-- †Anserimimus
                  `--+-- †Gallimimus
                     `--+-- †Struthiomimus
                        `-- †Ornithomimus

Reference(s):

  • Lee, Y.-N., Barsbold, R., Currie, P. J., Kobayashi, Y., Lee, H.-J., Godefroit, P., Escuillie, F. & Chinzorig, T., 2014: Resolving the long-standing enigmas of a giant ornithomimosaur Deinocheirus mirificus.
    –Nature: in press [doi: 10.1038/nature13874]

After Xu, Kobayashi, Lü, Lee, Liu, Tanaka, Zhang, Jia & Zhang, 2011, and Cullen, Ryan, Schröder-Adams, Currie & Kobayashi, 2013

<==o †Ornithomimosauria
   |-- †Pelecanimimus
   |-- †Shenzhousaurus
   |-- †Beishanlong
   |-- †Harpymimus
   `--+-- †Garudimimus
      `--+-- †Archaeornithomimus
         `--+-- †Sinornithomimus
            `--+--+-- †Anserimimus
               |  `-- †Gallimimus
               `--+-- †Qiupalong
                  `--+-- †Struthiomimus
                     `-- †Ornithomimus

Reference(s):

  • Cullen, T. M., Ryan, M. J., Schröder-Adams, C., Currie, P. J. & Kobayashi, Y., 2013: An Ornithomimid (Dinosauria) Bonebed from the Late Cretaceous of Alberta, with Implications for the Behavior, Classification, and Stratigraphy of North American Ornithomimids.
    –Plos One: Vol. 8, #3, pp. e58853 [doi: 10.1371/journal.pone.0058853]
  • Xu, L., Kobayashi, Y., Lü, J., Lee, Y.-N., Liu, Y., Tanaka, K., Zhang, X., Jia, S. & Zhang, J., 2011: A new ornithomimid dinosaur with North American affinities from the Late Cretaceous Qiupa Formation in Henan Province of China.
    –Cretaceous Research: Vol. 32, #2, pp. 213-222 [doi: http://dx.doi.org/10.1016/j.cretres.2010.12.004]

Reference(s):