阿马加巨龙属

Template:Taxonomy/Amargatitanis; 化石时期：巴列姆阶至早阿普第阶; ~129.4–123 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	骨骼重建，已知材料为蓝绿色
生物分类法
右示分类不存在 (修正):	Amargatitanis
模式种
	麦氏阿马加巨龙; Amargatitanis macni; Apesteguía, 2007

阿马加巨龙（属名：Amargatitanis，意为“阿马加的巨人”）是阿根廷内乌肯省早白垩世（巴列姆阶）阿马加组的一属叉龙科蜥脚类恐龙。

分类

正模标本MACN PV N53由约瑟·波拿巴（José Fernando Bonaparte）于1983年3月收集，由两节尾椎、一个右坐骨及部分右后肢组成。尽管在原描述中归入泰坦巨龙类，但后期研究者对此提出质疑，指出被视为该属合模标本的肩胛骨（MACN PV N34）及六节尾椎（MACN PV N51）的发现地与MACN PV N53不同，因此其假定的泰坦巨龙类特征无效。^[1]^[2]^[3]巴勃罗·埃雷·加林纳（Pablo Ariel Gallina）2016年的研究将其重新归入叉龙科。^[4]

参考资料

↑ Apesteguía, Sebastián. The sauropod diversity of the La Amarga Formation (Barremian), Neuquén (Argentina). Gondwana Research. 2007, 12 (4): 533–546. Bibcode:2007GondR..12..533A. doi:10.1016/j.gr.2007.04.007.
↑ D'Emic, M. D. The early evolution of titanosauriform sauropod dinosaurs (PDF). Zoological Journal of the Linnean Society. 2012, 166 (3): 624–671. doi:10.1111/j.1096-3642.2012.00853.x .
↑ Mannion, Philip D.; Upchurch, Paul; Barnes, Rosie N.; Mateus, Octávio. Osteology of the Late Jurassic Portuguese sauropod dinosaur Lusotitan atalaiensis (Macronaria) and the evolutionary history of basal titanosauriforms (PDF). Zoological Journal of the Linnean Society. 2013, 168: 98–206. doi:10.1111/zoj.12029.
↑ Gallina, Pablo Ariel. Reappraisal Of The Early Cretaceous Sauropod Dinosaur Amargatitanis macni (Apesteguía, 2007), From Northwestern Patagonia, Argentina. Cretaceous Research. 2016, 64: 79–87. doi:10.1016/j.cretres.2016.04.002.

[SA07-1] Apesteguía, Sebastián. The sauropod diversity of the La Amarga Formation (Barremian), Neuquén (Argentina). Gondwana Research. 2007, 12 (4): 533–546. Bibcode:2007GondR..12..533A. doi:10.1016/j.gr.2007.04.007.

[2] D'Emic, M. D. The early evolution of titanosauriform sauropod dinosaurs (PDF). Zoological Journal of the Linnean Society. 2012, 166 (3): 624–671. doi:10.1111/j.1096-3642.2012.00853.x .

[3] Mannion, Philip D.; Upchurch, Paul; Barnes, Rosie N.; Mateus, Octávio. Osteology of the Late Jurassic Portuguese sauropod dinosaur Lusotitan atalaiensis (Macronaria) and the evolutionary history of basal titanosauriforms (PDF). Zoological Journal of the Linnean Society. 2013, 168: 98–206. doi:10.1111/zoj.12029.

[4] Gallina, Pablo Ariel. Reappraisal Of The Early Cretaceous Sauropod Dinosaur Amargatitanis macni (Apesteguía, 2007), From Northwestern Patagonia, Argentina. Cretaceous Research. 2016, 64: 79–87. doi:10.1016/j.cretres.2016.04.002.

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