Hadrosaurinae

Skeletal mount of Edmontosaurus annectens, copyright Andytang20.


Belongs within: Hadrosauridae.

The Hadrosaurinae are a lineage of hadrosaurid dinosaurs that were mostly crestless, or possessed a solid crest formed from an extension of the nasal bones. The clade as given below is supported by the presence of a caudal margin on the circumnarial fossa (Horner et al. 2004). Members of the genus Edmontosaurus include some of the largest and best known hadrosaurids, reaching lengths of around twelve metres or more.

<==Hadrosaurinae
    |--Lophorhothon Langston 1960 HWF04
    |    `--L. atopus Langston 1960 HWF04
    `--+--+--Naashoibitosaurus Hunt & Lucas 1993 HWF04
       |  |    `--N. ostromi Hunt & Lucas 1993 HWF04
       |  |--Kritosaurus Brown 1910 HWF04, D07
       |  |    |--K. australis Bonaparte, Franchi et al. 1984 HWF04
       |  |    `--K. navajovius Brown 1910 (n. d.) HWF04
       |  `--Saurolophus Brown 1912 HWF04
       |       |--S. angustirostris Rozhdestvensky 1952 HWF04
       |       |--S. kryschtofovici Riabinin 1930 (n. d.) HWF04
       |       `--S. osborni Brown 1912 HWF04
       `--+--Prosaurolophus Brown 1916 HWF04
          |    |--P. blackfeetensis Horner 1992 HWF04
          |    `--P. maximus Brown 1916 HWF04
          `--+--Gryposaurus Lambe 1914 HWF04
             |    |--G. incurvimanus (Parks 1920) [=Kritosaurus incurvimanus] HWF04
             |    |--G. latidens Horner 1992 HWF04
             |    `--G. notabilis Lambe 1914 HWF04 [=Kritosaurus notabilis D07]
             `--+--Edmontosaurus Lambe 1920 (see below for synonymy) HWF04
                |    |--E. annectens (Marsh 1892) HWF04 (see below for synonymy)
                |    |--E. regalis Lambe 1917 [incl. Trachodon atavus Cope 1871, Agathaumas milo Cope 1874] HWF04
                |    `--E. saskatchewanensis (Sternberg 1926) [=Thespesius saskatchewanensis] HWF04
                `--+--Brachylophosaurus Sternberg 1953 HWF04
                   |    `--B. canadensis Sternberg 1953 [incl. B. goodwini Horner 1988] HWF04
                   `--Maiasaura Horner & Makela 1979 HWF04
                        `--M. peeblesorum Horner & Makela 1979 HWF04

Hadrosaurinae incertae sedis:
  Anasazisaurus Hunt & Lucas 1993 HWF04
    `--A. horneri Hunt & Lucas 1993 HWF04
  Aralosaurus Rozhdestvensky 1968 HWF04
    `--A. tuberiferus Rozhdestvensky 1968 HWF04
  Shantungosaurus Hu 1973 HWF04
    `--S. giganteus Hu 1973 HWF04
  Kerberosaurus Bolotsky & Godefroit 2004 D07
    `--K. manakini D07
  Hadrosaurus Leidy 1858 HWF04
    |--H. breviceps Marsh 1889 (n. d.) HWF04
    |--H. cavatus Cope 1871 (n. d.) HWF04
    |--H. foulkii Leidy 1858 [incl. Ornithotarsus immanis Cope 1869] HWF04
    |--H. minor Marsh 1870 (n. d.) HWF04
    `--H. paucidens Marsh 1889 (n. d.) HWF04

Edmontosaurus Lambe 1920 [incl. Anatosaurus Lull & Wright 1942, Anatotitan Brett-Surman in Chapman & Brett-Surman 1990] HWF04

Edmontosaurus annectens (Marsh 1892) HWF04 [=Claosaurus annectens HWF04; incl. Anatosaurus copei Lull & Wright 1942 HWF04, Anatotitan copei D07, Thespesius edmontonensis Gilmore 1924 HWF04, Trachodon longiceps Marsh 1890 HWF04, Anatotitan longiceps D07]

*Type species of generic name indicated

REFERENCES

[D07] Dixon, D. 2007. The Complete Illustrated Encyclopedia of Dinosaurs & Prehistoric Creatures. Hermes House: London.

[HWF04] Horner, J. R., D. B. Weishampel & C. A. Forster. 2004. Hadrosauridae. In: Weishampel, D. B., P. Dodson & H. Osmólska (eds) The Dinosauria 2nd ed. pp. 438–463. University of California Press: Berkeley.

Last updated: 3 July 2018.

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