Genus: Tochisaurus KURZANOV & OSMOLSKA, 1991
Etymology: Mongolian, toch, "ostrich," because of the functionally didactylous foot, and Greek, sauros, "lizard."

Species: nemegtensis KURZANOV & OSMOLSKA, 1991
Etymology: From the Nemegt locality.

Holotype: PIN 551-224

Locality: Nemegt, Nemegt basin, Ömnögov (South Gobi), Mongolia.

Horizon: Nemegt Formation.

Biostratigraphy: Tarbosaurus bataar and Saurolophus angustirostris Zone:

Age: Late Campanian or early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch Late Cretaceous.

Material: Almost complete metatarsus.

A) Posterior view; B) Anterior view and C) shown with phalanges.