After Hurum & Sabath, 2003; Currie, 2003, Currie, Hurum & Sabath, 2003, Carr, Williamson & Schwimmer, 2005, Xu, Clark, Forster, Norell, Erickson, Eberth, Jia & Zhao, 2006, Rauhut, Milner & Moore-Fay, 2009, Sereno, Tan, Brusatte, Kriegstein, Zhao & Cloward, 2009, and Brusatte, Norell, Carr, Erickson, Hutchinson, Balanoff, Bever, Choiniere, Makovicky & Xu, 2010

Alternative phylogeny after Holtz, 2000, and Carr, Williamson & Schwimmer, 2005

Alternative phylogeny after Sereno, Tan, Brusatte, Kriegstein, Zhao & Cloward, 2009, and Brusatte, Norell, Carr, Erickson, Hutchinson, Balanoff, Bever, Choiniere, Makovicky & Xu, 2010

<==o †Tyrannosauroidea Osborn, 1906 sensu Currie, Hurum & Sabath, 2003 [= Deinodontoidea]
   |--o †Proceratosauridae Rauhut, Milner & Moore-Fay, 2010 sensu Averianov et al., 2010 [Proceratosauridae Averianov, Krasnolutskii & Ivantsov, 2010]
   |  |-- †Kileskus aristotocus Averianov, Krasnolutskii & Ivantsov, 2010; M.Jur. NCAs.
   |  `--+-- †Guanlong wucaii Xu, Clark, Forster, Norell, Erickson, Eberth, Jia & Zhao, 2006; U.Jur. EAs.
   |     `--+-- †Proceratosaurus bradleyi (Woodward, 1910) Huene, 1926a [Megalosaurus bradleyi Woodward, 1910, Proceratosaurus bradleyi Huene, 1926a]; M.Jur. WEu.
   |        `-- †Sinotyrannus kazuoensis Ji Q., Ji S.-a., Zhang, L.-j., 2009; E.Cret. EAs.
   `--+-- †Dilong paradoxus Xu, Norell, Kuang, Wang, Zhao & Jia, 2004; L.Cret. EAs.
      `--+--+-- †Eotyrannus lengi Hutt, Naish, Martill, Barker & Newbery, 2001; L.Cret. WEu.
         |  `-- †Stokesosaurus clevelandi Madsen, 1974; U.Jur. WNAm.
         `--+-- †Xiongguanlong baimoensis Li, Norell, Gao, Smith & Makovicky, 2009; E.Cret. CAs.
            `--+-- †Dryptosaurus aquilungis (Cope, 1866) [Lealaps aquilungis Cope, 1866]; L.Cret. ENAm.
               `--+-- †Raptorex kriegsteini Sereno, Tan, Brusatte, Kriegstein, Zhao & Cloward, 2009; E.Cret. EAs.
                  `--+-- †Appalachiosaurus montgomeriensis Carr, Williamson & Schwimmer, 2005; L.Cret. ENAm.
                     `--+-- †Bistahieversor sealeyi Carr & Williamson, 2010; L.Cret. SWNAm.
                        `--o †Tyrannosauridae Osborn, 1906 [=? Deinodontidae Leidy, 1856]
                           |--o †Albertosaurinae
                           |  |-- †Gorgosaurus libratus Lambe, 1914c; U.Cret. WNAm. [taxonomic history]
                           |  `-- †Albertosaurus sarcophagus Osborn, 1905 sensu Russell, 1970; U.Cret. WNAm. [taxonomic history]
                           `--o † †Tyrannosaurinae (Osborn, 1906) Matthew & Brown, 1922 [= Deinodontinae]
                              |--o †Tarbosaurini Olshevsky & Ford, 1995
                              |  |--o †Daspletosaurus Russell, 1970a
                              |  |  |-- †D. sp. indet. [U. Cret. WNA.] [Currie, 2003]
                              |  |  |-- †D. sp. indet. [U. Cret. WNA.] [Currie, 2003]
                              |  |  `-- †D. torosus Russell, 1970a  (“härkätyrannisaurus”)
                              |  `--+-- †Alioramus remotus Kurzanov, 1976b
                              |     `-- †Tarbosaurus bataar (Maleev, 1955a) Maleev, 1955b [taxonomic history] (“mongoliantyrannosaurus”)
                              `--o †Tyrannosaurini Osborn, 1906
                                 |-- †Nanotyrannus lancensis (Gilmore, 1946c) Bakker, et al., 1988
                                 `-- †Tyrannosaurus rex Osborn, 1905 [taxonomic history] (kuningastyrannisaurus)

Other possible Tyrannosauroids:

Aviatyrannis jurassica Rauhut, 2003; U.Jur. SWEu.
    †Deinodon Leidy, 1856 (nomen vanum sensu Russell, 1970)
    †Prodeinodon mongoliensis Osborn, 1924 (incertae sedis)
    †Prodeinodon kwangshiensis Hou, et al., 1975
    †Dryptosaurus aquilungis (Cope, 1866) [Lealaps aquilungis Cope, 1866]
    †Itemirus medullaris Kurzanov, 1976a
    †Labocania anomola Molnar, 1974
    †Siamotyrannus isanensis Buffetaut, Suteethorn, & Tong, 1996 [possibly advanced allosauroid??]
    †Alectrosaurus olseni Gilmore, 1933a (nomen dubium)
    †Albertosaurus periculosus Riabinin, 1930 (nomen dubium, possibly Tarbosaurus)
    †Chingkankousaurus fragilis Young, 1958
    †Dinotyrannus megagracilis (Paul, 1988) [Albertosaurus megagracilis Paul, 1988]
    †Tyrannosaurus luanchuanensis Dong, 1979 (“kiinantyrannisaurus”)

Alternative phylogenies of Tyrannosauroidea:

After Holtz, 2000, and Carr, Williamson & Schwimmer, 2005 (reduced to genera)

<==o †Tyrannosauroidea
   |-- †Guanlong
   `--+-- †Dilong
      `--+-- †Eotyrannus
         `--+?- †Siamotyrannus
            |?- †Labocania
            |--+?- †Stokesosaurus
            |  `?- †Itemirus
            `--+?- †Dryptosaurus
               `--+?- †Appalachiosaurus
                  `--o †Tyrannosauridae
                     |?- †Bistahieversor
                     |==o †“Aublysodontinae” [juveline forms of the larger tyrannosaurines]
                     |  |?- †“Kirtland Shale aublysodontine”
                     |  |?- †Aublysodon
                     |  |?- †Alectrosaurus
                     |  `?- †Stygivenator [Aublysodon]
                     `--o †Tyrannosaurinae
                        |?- †“Two Medicine tyrannosaurine”
                        |-- †Alioramus
                        `--+?- †Shanshanosaurus
                           `--+-- †Albertosaurus
                              |-- †Gorgosaurus
                              `--o ?†Tyrannosaurini
                                 |-- †Daspletosaurus
                                 `--+-- †Tarbosaurus
                                    `-- †Tyrannosaurus

Reference(s):

  • Carr, T. D., Williamson, T. E. & Schwimmer, D. R., 2005: A new genus and species of tyrannosauroid from the Late Cretaceous (Middle Campanian) Demopolis Formation of Alabama.
    –Journal of Vertebrate Paleontology: Vol. 25, #1, pp. 119-143
  • Holtz, T. R. Jr., 2000: †Tyrannosauroidea – Tyrant dinosaurs and their possible relatives.
    –iNet: The Tree of Life
  • Holtz, T. R. Jr., 2000: †Tyrannosauridae – Tyrant dinosaurs.
    –iNet: The Tree of Life

After Sereno, Tan, Brusatte, Kriegstein, Zhao & Cloward, 2009, and Brusatte, Norell, Carr, Erickson, Hutchinson, Balanoff, Bever, Choiniere, Makovicky & Xu, 2010

<==o †Tyrannosauroidea
   |--o †Proceratosauridae
   |  |-- †Kileskus
   |  `--+-- †Guanlong
   |     `-+-- †Proceratosaurus
   |       `-- †Sinotyrannus
   `--+-- †Dilong
      `--+--+-- †Eotyrannus
         |  `-- †Stokesosaurus
         `--+-- Xiongguanlong
            `--+-- †Dryptosaurus
               `--+-- †Raptorex
                  `--+-- †Appalachiosaurus
                     `--+-- †Bistahieversor
                        `--o †Tyrannosauridae
                           |--+-- †Albertosaurus
                           |  `-- †Gorgosaurus
                           `--+-- †Alioramus
                              `--+-- “Utah taxon”
                                 `--+-- †Daspletosaurus
                                    `--+-- †Tarbosaurus
                                       `-- †Tyrannosaurus

Reference(s):

  • Brusatte, S. L., Norell, M. A., Carr, T. D., Erickson, G. M., Hutchinson, J. R., Balanoff, A. M., Bever, C. S., Choiniere, J. N., Makovicky, P. J. & Xu, X., 2010: Tyrannosaur Paleobiology: New Research on Ancient Exemplar Organisms.
    –Science: Vol. 329, pp. 1481-1485 [doi: 10.1126/science.1193304]
  • Sereno, P. C., Tan, L., Brusatte, S. L., Kriegstein, H. J., Zhao, X. & Cloward, K., 2009: Tyrannosaurid skeletal design first evolved at small body size.
    –Science: Vol. 326, pp. 418-422 (+ supplement 1-27) [doi: 10.1126/science.1177428]

Reference(s):