| 中国南方首次发现的基干禽龙类化石新属种 |
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| 关键词:Fusui, Guangxi Early Cretaceous Xinlong Formation Iguanodontia Napaisaurus gen. nov. |
| 基金项目:广西壮族自治区自然资源厅“扶绥县那派盆地古生物化石保护”项目;国家自然科学基金项目(编号: 41688103; 41872026) |
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| First New Genus and Species of Basal Iguanodontian Dinosaur (Ornithischia: Ornithopoda) from Southern China |
| The Early Cretaceous dinosaur fauna composed of sauropods, theropods, ornithopods and possible psittacosaurids was known from the Xinlong Formation of Napai Basin, Fusui County, Guangxi Zhuang Autonomous Region, South China. However, the generic and species level of ornithopods has not been determined. In 2020, a right ilium and a right ischium were discovered in Napai that showed diagnostic morphologies of basal iguanodontians. The characteristics of the ilium and ischium differ from other known iguanodontian taxa, suggesting that the Napai samples are from a new taxon. Therefore, Napaisaurus guangxiensis gen. et sp. nov. has been established, representing the first named basal iguanodontian taxon from southern China. The new finding enriches the variety of the Napai dinosaur fauna found in southern China. It also provides more crucial evidence for understanding the relationships of the Early Cretaceous dinosaur faunas between the Napai Basin and Thailand in Southeast Asia, as well as those between the Napai Basin and northern China. |
| JI Shu-an,ZHANG Pei.2022.First New Genus and Species of Basal Iguanodontian Dinosaur (Ornithischia: Ornithopoda) from Southern China[J].Acta Geoscientica Sinica,43(1):1-10. |
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