Pterosaur trackways from the Lower Cretaceous Jiaguan Formation (Barremian-Albian) of Qijiang, Southwest China

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• 作者：Lida Xing ; Martin G. Lockley ; Laura Pi帽uela ; Jianping Zhang ; Hendrik Klein ; Daqing Li ; Fengping Wang
• 关键词：Pteraichnus ; Wupus ; Ichnoassemblage ; Lotus Fortress tracksite ; Lower Cretaceous
• 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
• 出版年：15 December, 2013
• 年：2013
• 卷：392
• 期：Complete
• 页码：177-185
• 全文大小：1953 K

文摘

The Lotus Fortress tracksite in the Qijiang National Geological Park, in Qijiang District, Chongqing Municipality consists of two distinct assemblages associated with different surfaces (Qijiang Layers 1 and 2). The lower of these two assemblages, here labeled as the 鈥?em>Wupus-Pteraichnus ichnoassemblage鈥?is dominated by multiple, mainly parallel trackways of a small tridactyl and five trackways of pterosaurs (Pteraichnus). The upper surface assemblage, here labeled as the 鈥?em>Caririchnium ichnoassemblage鈥? is dominated by the tracks of ornithopods (Caririchnium lotus). Here we give a detailed description of the Pteraichnus tracks and evaluate their paleoecological significance together with other reports of pterosaur tracks from East Asia.