Nanotyrannus
genus of Late Cretaceous tyrannosauroids
Nanotyrannus (meaning "dwarf tyrant") is a doubtful genus of tyrannosaurid dinosaur. They may be juveniles of Tyrannosaurus or a similar genus. The issue is not yet decided.[1]
Nanotyrannus Temporal range: , Late Cretaceous,
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Holotype skull | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | Theropoda |
Family: | †Tyrannosauridae |
Subfamily: | †Tyrannosaurinae |
Genus: | †Nanotyrannus Bakker, Currie & Williams, 1988 |
Species: | †N. lancensis
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Binomial name | |
Nanotyrannus lancensis Gilmore, 1946
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Synonyms | |
Genus synonymy
Species synonymy
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Only two or three specimens are known. They are from the end of the Upper Cretaceous, 67 million years ago. The first alleged specimen was found in Montana in 1942. It was thought to have been a Gorgosaurus, but it was reclassified in 1988.
References
change- ↑ Tsuihiji, T.; Watabe, M.; Tsogtbaatar, K.; Tsubamoto, T.; Barsbold, R.; Suzuki, S.; Lee, A.H.; Ridgely, R.C.; Kawahara, Y.; Witmer, L.M. (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. S2CID 15369707.