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Pterosaur trackways from Lower Cretaceous Jiaguan Formation, Qijiang, China



From: Ben Creisler
bcreisler@gmail.com


A new online paper:


Lida Xing, Martin G. Lockley, Laura Piñuela, Jianping Zhang, Hendrik
Klein, Daqing Li & Fengping Wang (2013)
Pterosaur trackways from the Lower Cretaceous Jiaguan Formation
(Barremian–Albian) of Qijiang, Southwest China.
Palaeogeography, Palaeoclimatology, Palaeoecology (advance online publication)
doi: http://dx.doi.org/10.1016/j.palaeo.2013.09.003
http://www.sciencedirect.com/science/article/pii/S0031018213004057

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
“Wupus-Pteraichnus ichnoassemblage” 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 “Caririchnium ichnoassemblage”, 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.