Species: remotus KURZANOV, 1976
Etymology: Latin, remotus, "deviating."

Holotype: GI 3141/1

Locality: Ingenii Höövör Valley, Bayankhongor, Mongolia.

Horizon: Beds of Nogon Tsav.

Biostratigraphy:

Age: Early Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Nasals, maxilla, posterior portion of skull, posterior portion of lower jaw, and metatarsals II-IV.
Note: CARPENTER (in press) will exclude the above genus from the Tyrannosauridae.

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Species: altai BRUSATTE, CARR, ERICKSON, BEVER & NORELL, 2009
Etymology: In reference to the Altai Mountain range, a prominent topographic feature of southern Mongolia.

Holotype: IGM 100/1844

Locality: Tsagaan Khushuu (originally called Tsagaan Uul), Nemegt Basin, Ömnögov (South Gobi), Mongolia

Horizon: Nemegt Formation.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material: Nearly complete, disarticulated skull, and nearly complete skeleton lacking the forelimbs, regions of the hindlimbs, pubis, and much of the dorsal and caudal vertebral series.

Top view after BRUSATTE, CARR, ERICKSON, BEVER & NORELL, 2009, bottom new reconstruction using known material.