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Tarbosaurus bataar Maleev 1955 (tyrannosaurid)

Reptilia - Avetheropoda - Tyrannosauridae

PaleoDB taxon number: 57254

Alternative combinations: Jenghizkhan bataar, Tyrannosaurus bataar

Synonyms: Albertosaurus periculosus Riabinin 1930 (no. 65691), Aublysodon huoyanshanensis Dong 1977 (no. 67943), Deinodon loncinator Maleev 1955 (no. 302067), Deinodon novojilovi Maleev 1955 (no. 302068), Gorgosaurus lancinator Maleev 1955 (no. 63706), Gorgosaurus novojilovi Maleev 1955 (no. 63707), Jenghizkhan luanchuanensis Dong 1979 (no. 92290), Maleevosaurus novojilovi Maleev 1955 (no. 63709), Shanshanosaurus houyanshanensis Dong 1977 (no. 170243), Shanshanosaurus huoyanshanensis Dong 1977 (no. 54551), Tarbosaurus efremovi Maleev 1955 (no. 53225), Tarbosaurus luanchuanensis Dong 1979 (no. 92305), Tarbosaurus novojilovi Maleev 1955 (no. 172975), Tyrannosaurus luanchuanensis Dong 1979 (no. 54835), Tyrannosaurus luanchuensis Dong 1979 (no. 142708)

Full reference: E. A. Maleev. 1955. [Giant carnivorous dinosaurs of Mongolia]. Doklady, Academy of Sciences USSR 1955, 104(4):634-637

Belongs to Tarbosaurus according to T. R. Holtz 2004

Sister taxa: none

Type specimens:

  • Tarbosaurus bataar: PIN 551-1, a skull. Its type locality is Nemegt locality [SMPE] (PIN coll. 551), which is in a Campanian/Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia.
  • Albertosaurus periculosus: PIN uncat.. Its type locality is Jiayin, which is in a Maastrichtian fluvial sandstone/mudstone in the Yuliangze Formation of China.
  • Gorgosaurus lancinator: PIN 553-1, a partial skeleton. Its type locality is Altan Ula II [SMPE] (PIN coll. 553), which is in a Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia.
  • Gorgosaurus novojilovi: PIN 552-2, a skeleton. Its type locality is Tsagan Hushu [SMPE] (PIN coll. 552), which is in a Campanian/Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia.
  • Shanshanosaurus huoyanshanensis: IVPP V4878, a partial skeleton. Its type locality is Lianmuqin, Shanshan (IVPP Loc. 66012), which is in a Campanian/Maastrichtian terrestrial horizon in the Subashi Formation of China.
  • Tarbosaurus efremovi: PIN 551-3, a skeleton. Its type locality is Nemegt locality [SMPE] (PIN coll. 551), which is in a Campanian/Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia.
  • Tyrannosaurus luanchuanensis: NIGP V.4733. Its type locality is Songping, Luanchuan (IVPP), which is in a Campanian terrestrial mudstone/sandstone in the Qiupa Formation of China.

Ecology: ground dwelling carnivore

Average measurements (in mm): femur 861.2 x 110.0, femur circumference 324.6, fibula 727.2 x 550.0, fibula circumference 89.3, humerus 255.0 x 47.0, radius 110.0 x 19.0, scapula length 750.0, skull length 1130.0, tibia 804.6 x 100.0, tibia circumference 270.8, ulna 115.0 x 22.0

Estimated body mass: 1.28 tons based on femur length