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[dinosaur] Sauropod tracks from Middle Jurassic of China + dinosaur and pterosaur tracks in coastal Morocco




Ben Creisler
bcreisler@gmail.com

Recent papers:


Li-Da Xing, Martin G. Lockley, Hendrik Klein & Tao Wang (2020)
Sauropod tracks from the Middle Jurassic Chuanjie Formation of Yunnan Province and the pre-Cretaceous sauropodomorph trackways from China.
Palaeoworld (advance online publication)
doi: https://doi.org/10.1016/j.palwor.2020.07.007
https://www.sciencedirect.com/science/article/pii/S1871174X20300627


The Xixipo dinosaur tracksite in the Chuanjie Formation of Yunnan Province is one of the 14 Chinese sites yielding sauropod tracks from between the Triassic-Jurassic and Jurassic-Cretaceous boundaries, but is only one of the two that represent the Middle Jurassic. Although it is a small site, it adds incrementally to the overall track record of the region and allows comparison with the body fossil record and classification of the Chuanjie Formation as a Type 3b or Type 4b deposit in which both the body fossil and trace fossil record, in this case representing sauropodomorphs, are similar in composition and frequency of occurrence. We argue that the sauropod trace and body fossil records, while based on different categories of evidence, are very important. Integrating and correlating all available data from both records increases our understanding of sauropod communities, and both are equally valuable for this. In addition, we also discuss narrow to wide gauge, coeval sauropod trackways from China, and the relationship between the potential trackmaker of China's Jurassic Brontopodus-type trackways and mamenchisaurids and, beginning from the Late Jurassic, representatives of this type and titanosauriform sauropods.

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Noura Lkebir, Moussa Masrour, Carlos Pascual-Arribas, Marc de Ducla, Nieves Hernandez-Medrano & FÃlix PÃrez-Lorente (2020)
Short report: The Anza tracksite: Ichnological heritage and geoeducational significance of dinosaur and pterosaur tracks in coastal Morocco.
Journal of African Earth Sciences (advance online publication)
doi: https://doi.org/10.1016/j.jafrearsci.2020.103949
https://www.sciencedirect.com/science/article/pii/S1464343X20302004

Highlights

Presents the dinosaur and pterosaur tracksite at Anza as a potential geosite.
Describes the geographic and geologic context of the Anza tracksite.
Summarizes the paleontological importance of the tracks.
Describes the educational/touristic value and protection/conservation efforts.

Abstract

The Anza tracksite, discovered in 2013, is one of several sites in the Western High Atlas of Morocco that contain well-preserved and diverse dinosaur and pterosaur trackways. The occurrence of rare tracks at Anza combined with the stratigraphic position, coastal location, and easy accessibility, have inspired the scientific community, non-governmental organizations, and local inhabitants, to increase public awareness of the scientific, geoeducational, and ichnological heritage potential of the tracksite, as well as to develop strategies for site conservation and protection.



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