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A 1999 study subsequently reclassified Maleevosaurus as a juvenile Tarbosaurus. [10] All research published since 1999 recognizes only a single species, which is either called Tarbosaurus bataar [11] [12] [13] or Tyrannosaurus bataar. [14]
A study on the tooth replacement patterns in tyrannosaurid theropods, as indicated by data from a juvenile specimen of Tarbosaurus bataar, will be published by Hanai & Tsuihiji (2019). [62] A study on the complexity and modularity of the skull of Tyrannosaurus rex is published by Werneburg et al. (2019). [63]
The juvenile Tarbosaurus have a skull about 28 cm. long, and the lower jaw of IVPP V4878 measure about 25-26 cm (, IVPP V4878 is C. in the image. References ↑ Tsuihiji T et.al. (2011), "Cranial Osteology of a Juvenile Specimen of Tarbosaurus bataar (Theropoda, Tyrannosauridae) from the Nemegt Formation (Upper Cretaceous) of Bugin Tsav ...
Scale chart for Tarbosaurus bataar. The adult is based on a skeletal diagram by Scott Hartman. The adult is based on a skeletal diagram by Scott Hartman. The juvenile are based on a juvenile (2-3 years old).
Attributed to Tarbosaurus. Raptorex [99] R. kriegsteni [99] "Nearly complete skeleton including the skull." [99] A controversial genus of tyrannosaurid that could be a juvenile Tarbosaurus. [100] Tarbosaurus [101] T. bataar [102] Presence in most localities [2] "Nearly complete skeletons from multiple specimens." [101] [102] [2]
These genera, however are controversial as the remains of these animals are immature or juvenile individuals. With the possible exception of Raptorex, [17] it is widely assumed that the Asian specimens are early growth stages of Tarbosaurus, [18] [19] [20] whereas the North American specimens are those of Tyrannosaurus. [21] [22]
Like the rest of the skull, the lower jaw of Alioramus was long and slender, another possible juvenile characteristic. [6] As in Tarbosaurus, a ridge on the outer surface of the angular bone of the lower jaw articulated with the rear of the dentary bone, locking the two bones together and removing much of the flexibility seen in other ...
In 2007, it was found that the group also contained Maleevosaurus, often synonymized with Tarbosaurus. [15] However, this classification has not been accepted and Maleevosaurus is still considered a juvenile Tarbosaurus or Tyrannosaurus. [16] This classification has not been accepted. [2] [3]