Chilesaurus

Chilesaurus; Temporal range: Late Jurassic (Tithonian); ~147 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
	Cast of the holotype skeleton
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	Theropoda (?)
Genus:	†Chilesaurus; Novas et al. 2015
Species:	†C. diegosuarezi
Binomial name
	†Chilesaurus diegosuarezi; Novas et al. 2015

Chilesaurus is an extinct genus of herbivorous dinosaur. While its exact classification is uncertain, many researchers believe it is a theropod, with a minority of academics suggesting that it may be an ornithischian. The type and only known species so far is Chilesaurus diegosuarezi.^[1] Chilesaurus lived between 148-147 million years ago (Mya) in the Late Jurassic period of Chile.^[2] Showing a combination of traits from theropods, ornithischians, and sauropodomorphs, this genus has far-reaching implications for the evolution of dinosaurs, such as whether the traditional saurischian-ornithischian split is superior or inferior to the proposed group Ornithoscelida.^[3] This however, has been contested by several other authors, who believe that the weight of evidence supports its membership within Theropoda, and possibly as a member of Tetanurae.^[4]^[5]

^ Novas, F. E.; Salgado, L.; Suárez, M.; Agnolín, F. L.; Ezcurra, M. N. D.; Chimento, N. S. R.; de la Cruz, R.; Isasi, M. P.; Vargas, A. O.; Rubilar-Rogers, D. (2015). "An enigmatic plant-eating theropod from the Late Jurassic period of Chile". Nature. 522 (7556): 331–334. doi:10.1038/nature14307. PMID 25915021.
^ Suárez, Manuel; De La Cruz, Rita; Fanning, Mark; Novas, Fernando; Salgado, Leonardo (2015-12-28). "Tithonian age of dinosaur fossils in central Patagonian, Chile: U–Pb SHRIMP geochronology". International Journal of Earth Sciences. 105 (8): 2273–2284. doi:10.1007/s00531-015-1287-7. hdl:11336/57592. ISSN 1437-3254.
^ Baron, Matthew G.; Barrett, Paul M. (2018-03-01). "Support for the placement of Chilesaurus within Ornithischia: a reply to Müller et al". Biology Letters. 14 (3): 20180002. doi:10.1098/rsbl.2018.0002. ISSN 1744-9561. PMC 5897612. PMID 29593075.
^ Cite error: The named reference :2 was invoked but never defined (see the help page).
^ Cite error: The named reference :3 was invoked but never defined (see the help page).

[Novas2015-1] Novas, F. E.; Salgado, L.; Suárez, M.; Agnolín, F. L.; Ezcurra, M. N. D.; Chimento, N. S. R.; de la Cruz, R.; Isasi, M. P.; Vargas, A. O.; Rubilar-Rogers, D. (2015). "An enigmatic plant-eating theropod from the Late Jurassic period of Chile". Nature. 522 (7556): 331–334. doi:10.1038/nature14307. PMID 25915021.

[2] Suárez, Manuel; De La Cruz, Rita; Fanning, Mark; Novas, Fernando; Salgado, Leonardo (2015-12-28). "Tithonian age of dinosaur fossils in central Patagonian, Chile: U–Pb SHRIMP geochronology". International Journal of Earth Sciences. 105 (8): 2273–2284. doi:10.1007/s00531-015-1287-7. hdl:11336/57592. ISSN 1437-3254.

[:0-3] Baron, Matthew G.; Barrett, Paul M. (2018-03-01). "Support for the placement of Chilesaurus within Ornithischia: a reply to Müller et al". Biology Letters. 14 (3): 20180002. doi:10.1098/rsbl.2018.0002. ISSN 1744-9561. PMC 5897612. PMID 29593075.

[:2-4] Cite error: The named reference :2 was invoked but never defined (see the help page).

[:3-5] Cite error: The named reference :3 was invoked but never defined (see the help page).

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Chilesaurus

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