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Historical Biology
An International Journal of Paleobiology
Volume 33, 2021 - Issue 12
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Research Article

Saurischian-dominated tracksites and first Cretaceous lizard trackway from China from the Hekou Group (Lower Cretaceous) of Lanzhou-Minhe Basin, Gansu, Northwest China

, , , , , , & show all
Pages 3703-3713 | Received 25 Dec 2020, Accepted 04 Feb 2021, Published online: 15 Feb 2021
 

ABSTRACT

A total of 31 Lower Cretaceous tetrapod tracksites have been reported from four areas in Gansu Province, China: Yanguoshia, Guanshan, Zhongpu and Honggu. Here we report on the previously undescribed track types found at seven of these sites, five of which are sauropod dominated, with one site yielding ornithopod tracks and another one yielding theropod tracks. The Tianjiawan site is of particular significance for having produced the first lizard trackway from the Cretaceous of China and only the fourth global occurrence from this time period. The lizard trackway is tentatively assigned to ?Neosauroides ichnosp. indet., and compared with Neosauroides from the Cretaceous of Korea. As in Korea the Gansu lizard trackway occurs in lake margin sediments suitable for the preservation of the tracks of small tetrapods.

Acknowledgments

The authors thank two anonymous reviewers for their constructive comments that improved the manuscript.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This research was funded by the National Natural Science Foundation of China (No. 41772008, 41772023), the 111 project (B20011), China

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