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莱阳龙属

莱阳龙属
化石时期:白垩纪晚期, 73 Ma
头部特写
科学分类 编辑
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: 鸟臀目 Ornithischia
亚目: 鸟脚亚目 Ornithopoda
科: 鸭嘴龙科 Hadrosauridae
亚科: 栉龙亚科 Saurolophinae
族: 埃德蒙顿龙族 Edmontosaurini
属: 莱阳龙属 Laiyangosaurus
Zhang et al., 2017
模式种
杨氏莱阳龙
Laiyangosaurus youngi

Zhang et al., 2017

莱阳龙属名Laiyangosaurus)是一栉龙亚科鸭嘴龙科恐龙,来自白垩纪晚期的中国山东省莱阳盆地。[1]

2010年对莱阳盆地金刚口地区的化石点进行重新挖掘,发现了许多化石,其中包含与青岛龙有显著差异的骨骼。

模式种兼唯一种杨氏莱阳龙Laiyangosaurus youngi)由张等人于2017年9月正式发表,属名取自发现地,种名纪念中国古脊椎动物学家先驱兼青岛龙的命名者杨锺健,该年刚好是他的120岁诞辰纪念。[1]2017年4月的出版物曾提及这个名称,但当时仍是个无资格名称

正模标本(编号IVPP V 23401)出土于金刚口组,年代为坎潘阶(7300万年前),包含部分头骨含下颌,共有左上颌骨、右鳞状骨、左齿骨保存下来。还有其他标本被归入:IVPP V 23402和IVPP V2340都是年轻个体的头骨含下颌;IVPP V 23404是成年体的左齿骨,大于正模标本;IVPP V 23405是一个年轻个体的上颌骨和颧骨,体型约是正模标本的一半。[1]

莱阳龙是大型鸭嘴龙科,长8米。

被分类在鸭嘴龙科的栉龙亚科,并属于爱德蒙托龙族。大量标本(IVPP V23405.1、V23403.1、V23402.1、V23404、V23402.7)被归类于该属,但是它们显然属于小族贵龙族和赖氏龙族的鸭嘴龙类。[2]

山东王氏群已发现了数量相当多的化石材料,包括昆虫、植物和其他脊椎动物的遗骸,包括恐龙和恐龙蛋。[1][3]

参考资料

  1. ^ 1.0 1.1 1.2 1.3 Zhang, J.L.; Wang, X.; Wang, Q.; Jiang, S.; Cheng, X.; Ning, L.; Qiu, R. A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Upper Cretaceous of Shandong, China (PDF). Annals of the Brazilian Academy of Sciences. 2017 [2020-11-15]. (原始内容 (PDF)存档于2020-11-16). 
  2. ^ Zhang, Yu-Guang; Wang, Ke-Bai; Chen, Shu-Qing; Liu, Di; Xing, Hai. Osteological Re‐assessment and Taxonomic Revision of "Tanius laiyangensis" (Ornithischia: Hadrosauroidea) from the Upper Cretaceous of Shandong, China. The Anatomical Record. 2019. doi:10.1002/ar.24097. 
  3. ^ Zhang, JL; Wang, Q; Jiang, SX. Review of historical and current research on the Late Cretaceous dinosaurs and dinosaur eggs from Laiyang, Shandong. Vertebrata PalAsiatica. 2017, 55 (2): 187–200. 
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莱阳龙属
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