Nanotyrannus

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Nanotyrannus
Temporal range: Upper Cretaceous, Maastrichtian
T-rex fossil Jane by Volkan Yuksel DSC08683g.JPG
Skeleton at the Burpee Museum
Scientific classification
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Genus:
Nanotyrannus

Bakker, Currie & Williams, 1988
Species:
Nanotyrannus lancensis

Gilmore, 1946
Synonyms
Holotype skull

Nanotyrannus (meaning "dwarf tyrant") is a doubtful genus of tyrannosaurid dinosaur. They may be a juveniles of Tyrannosaurus or a similar genus. The issue is not yet decided.[1]

Only two or three specimens are known. They are from the end of the Upper Cretaceous, 67 million years ago.


References[change | change source]

  1. Tsuihiji, T.; Watabe, M.; Tsogtbaatar, K.; Tsubamoto, T.; Barsbold, R.; Suzuki, S.; Lee, A.H.; Ridgely, R.C. et al. (2011). "Cranial osteology of a juvenile specimen of Tarbosaurus bataar from the Nemegt Formation (Upper Cretaceous) of Bugin Tsav, Mongolia". Journal of Vertebrate Paleontology 31 (3): 497–517. doi:10.1080/02724634.2011.557116.