阿根廷科技龙属
阿根廷科技龙属![]() 化石时期:晚白垩世,
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科学分类 ![]() | |
界: | 动物界 Animalia |
门: | 脊索动物门 Chordata |
纲: | 蜥形纲 Sauropsida |
总目: | 恐龙总目 Dinosauria |
目: | 蜥臀目 Saurischia |
亚目: | †蜥脚形亚目 Sauropodomorpha |
下目: | †蜥脚下目 Sauropoda |
演化支: | †梁龙形类 Diplodocimorpha |
科: | †雷巴齐斯龙科 Rebbachisauridae |
属: | †阿根廷科技龙属 Cienciargentina Simón & Salgado, 2025 |
模式种 | |
†桑氏阿根廷科技龙 Cienciargentina sanchezi Simón & Salgado, 2025
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阿根廷科技龙属(学名:Cienciargentina)是雷巴齐斯龙科的一个属,化石在晚白垩世(森诺曼期至土仑期)的阿根廷乌因库尔组发现。属下包括单一物种桑氏阿根廷科技龙(Cienciargentina sanchezi),是从三具尺寸各异的不完整骨骼获知。阿根廷科技龙是乌因库尔组发现的第四种雷巴齐斯龙科。
发现与命名
[编辑]该属迄今已发现三件尺寸各异的标本。正模标本MMCH-Pv 45包括三节颈椎、四节背椎、两根肋骨、十七节尾椎、四个脉弓、一个肩胛骨、一个胸骨、一个坐骨、一对股骨、一对胫骨及一对腓骨。还有两件副模标本,其中较小的MMCH-PV 54由一个右坐骨和一个右胫骨组成,较大的MMCH-PV 55则由两根肋骨和一个腓骨组成。三者皆发现于阿根廷内乌肯省埃尔乔肯村乌因库尔组的拉安特纳(La Antena)地[1][2]。
2025年,西蒙与萨尔加多将上述遗骸描述为雷巴齐斯龙科新属新种桑氏阿根廷科技龙(Cienciargentina sanchezi)。属名致敬为该国发展作出贡献的阿根廷科技体系,种名则表彰特蕾莎·桑切斯(Teresa Sánchez)在阿根廷古生物学研究上所做的工作[1]。
分类
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2025年的描述中,西蒙与萨尔加多将本属恢复为雷巴齐斯龙科的基干成员,结果如以下分支图所示[1]:
梁龙超科 Diplodocoidea |
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古环境
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三具阿根廷科技龙标本均发现于阿根廷内乌肯省晚白垩世的乌因库尔组,旁边还发现了泰坦巨龙类乔冈龙的遗骸[1]。该地层亦出土过多种其它雷巴齐斯龙科(鹫龙、利迈河龙与星脉龙)的遗骸,说明该类群的动物相更替较为频繁[3][4]。
该地层还有众多其它恐龙被命名,包括泰坦巨龙类(阿根廷龙、巴斯汀格里巨龙和坚毅龙[5])、鲨齿龙科(马普龙、米拉西斯龙和牛猎龙[6])、一种大盗龙类(南盗龙)、阿贝力龙科(蝎猎龙、雷霆龙和肌肉龙)、一种轻龙亚科(乌因库尔龙[7])、一种近鸟类(斑盗龙)及奇特的鸟兽脚类恐龙瓜利乔龙[8][9]。此外还发现过半鸟科、禽龙类和薄板类的遗骸[10]。
参考资料
[编辑]- ^ 1.0 1.1 1.2 1.3 Simón, M. E.; Salgado, L. New rebbachisaurid (Dinosauria, Sauropoda) from the Huincul Formation (upper Cenomanian-Turonian) of Villa El Chocón (Neuquén Province, Argentina). Cretaceous Research. 2025. 106137. doi:10.1016/j.cretres.2025.106137.
- ^ Simón, Edith; Salgado, Leonardo; Calvo, Jorge O., A new titanosaur sauropod from the Upper Cretaceous of Patagonia, Neuquén Province, Argentina, Ameghiniana, 2017, 55: 1–29 [2020-03-16], doi:10.5710/AMGH.01.08.2017.3051, hdl:11336/89326
- ^ Calvo, Jorge O.; Salgado, Leonardo. Rebbachisaurus tessonei sp. nov. a new Sauropoda from the Albian-Cenomanian of Argentina; new evidence on the origin of the Diplodocidae (PDF). Gaia. 1995, 11: 13–33. (原始内容 (PDF)存档于23 September 2021).
- ^ Lerzo, Lucas Nicolás; Gallina, Pablo Ariel; Canale, Juan Ignacio; Otero, Alejandro; Carballido, José Luis; Apesteguía, Sebastián; Makovicky, Peter Juraj. The last of the oldies: a basal rebbachisaurid (Sauropoda, Diplodocoidea) from the early Late Cretaceous (Cenomanian–Turonian) of Patagonia, Argentina. Historical Biology. 2024-01-03: 1–26. ISSN 0891-2963. doi:10.1080/08912963.2023.2297914 (英语).
- ^ Simón, M. E.; Salgado, L. A new gigantic titanosaurian sauropod from the early Late Cretaceous of Patagonia (Neuquén Province, Argentina). Acta Palaeontologica Polonica. 2023. doi:10.4202/app.01086.2023
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- ^ Canale, Juan I.; Apesteguía, Sebastián; Gallina, Pablo A.; Mitchell, Jonathan; Smith, Nathan D.; Cullen, Thomas M.; Shinya, Akiko; Haluza, Alejandro; Gianechini, Federico A.; Makovicky, Peter J. New giant carnivorous dinosaur reveals convergent evolutionary trends in theropod arm reduction. Current Biology. July 2022, 32 (14): 3195–3202.e5. Bibcode:2022CBio...32E3195C. PMID 35803271. S2CID 250343124. doi:10.1016/j.cub.2022.05.057
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- ^ Baiano, Mattia A.; Coria, Rodolfo A.; Cau, Andrea. A new abelisauroid (Dinosauria: Theropoda) from the Huincul Formation (lower Upper Cretaceous, Neuquén Basin) of Patagonia, Argentina. Cretaceous Research. June 2020, 110: 104408. Bibcode:2020CrRes.11004408B. S2CID 214118853. doi:10.1016/j.cretres.2020.104408.
- ^ Cerroni, M.A.; Motta, M.J.; Agnolín, F.L.; Aranciaga Rolando, A.M.; Brissón Egli, F.; Novas, F.E. A new abelisaurid from the Huincul Formation (Cenomanian-Turonian; Upper Cretaceous) of Río Negro province, Argentina. Journal of South American Earth Sciences. 2020, 98: 102445. Bibcode:2020JSAES..9802445C. S2CID 213781725. doi:10.1016/j.jsames.2019.102445.
- ^ Matías J. Motta; Federico L. Agnolín; Federico Brissón Egli; Fernando E. Novas. New theropod dinosaur from the Upper Cretaceous of Patagonia sheds light on the paravian radiation in Gondwana. The Science of Nature. 2020, 107 (3): Article number 24. Bibcode:2020SciNa.107...24M. PMID 32468191. S2CID 218913199. doi:10.1007/s00114-020-01682-1. hdl:11336/135530
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- ^ Agnolin, Federico L.; Gonzalez Riga, Bernardo J.; Aranciaga Rolando, Alexis M.; Rozadilla, Sebastián; Motta, Matías J.; Chimento, Nicolás R.; Novas, Fernando E. A new giant titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous of Northwestern Patagonia, Argentina. Cretaceous Research. 2023-02-02, 146: 105487. Bibcode:2023CrRes.14605487A. ISSN 0195-6671. doi:10.1016/j.cretres.2023.105487 (英语).