Data Sources

Scientific Papers

Brusatte, S. L., et al. "A remarkable long-snouted, multihorned Tyrannosaurid from the Late Cretaceous of Mongolia" PNAS (October 5, 2009).

Sereno P. C., et al. "Tyrannosaurid skeletal design first evolved at small body size."ScienceExpress (September 17, 2009).


Asia 2004 (Blue Marble: Next Generation; satellite: NASA Terra/Aqua, sensor: MODIS)

Raptorex fossil photos (Mike Hettwer)

Alioramus fossil photos (Mick Ellison, AMNH)

Raptorex line drawing (C. Abraczinskas and P. Sereno)

Alioramus line drawing (Frank Ippolito, AMNH)

Tyrannosaurus rex drawing (AMNH)

Alioramus fossil in boxes at AMNH Division of Paleontology (Courtesy Amy Davidson, AMNH)

Alioramus field photo (Courtesy Mark Norell)

Raptorex and Tyrannosaurus rex skull photo (Paul Sereno)