Two new dinosaur tracksites from the Lower Cretaceous Jiaguan Formation of Sichuan Basin, China: specific preservation and ichnotaxonomy

被引：5

作者：

Xing, Lida ^{[1
,2
]}

Dai, Hui ^{[3
]}

Lockley, Martin G. ^{[4
]}

Romilio, Anthony ^{[5
]}

Klein, Hendrik ^{[6
]}

Li, Zhongdong ^{[7
]}

Hu, Xufeng ^{[3
]}

Peng, Guangzhao ^{[8
]}

Ye, Yong ^{[8
]}

Persons, W. Scott ^{[9
]}

机构：

[1] China Univ Geosci, State Key Lab Biogeol & Environm Geol, Beijing, Peoples R China

[2] China Univ Geosci, Sch Earth Sci & Resources, Beijing, Peoples R China

[3] Chongqing Bur Geol & Mineral Resource Explorat &, Hydrogeol & Engn Geol Team 208, Chongqing, Peoples R China

[4] Univ Colorado, Dinosaur Trackers Res Grp, Denver, CO 80202 USA

[5] Univ Queensland, Sch Biol Sci, Brisbane, Qld, Australia

[6] Saurierwelt Palaontol Museum, Neumarkt, Germany

[7] Sichuan Geol & Mineral Explorat & Dev Bur, Geophys Prospecting Team, Chengdu, Sichuan, Peoples R China

[8] Zigong Dinosaur Museum, Zigong, Peoples R China

[9] Univ Alberta, Dept Biol Sci, Edmonton, AB, Canada

来源：

HISTORICAL BIOLOGY | 2018年 / 30卷 / 07期

关键词：

Dinosaur tracks; Theropod; Sauropod; Ornithopod; Jiaguan Formation; Lower Cretaceous; SOUTHWESTERN CHINA; THEROPOD; TRACKWAYS; SAUROPOD; ASSEMBLAGE; FOOTPRINTS; IMPACT; ZONE;

D O I：

10.1080/08912963.2017.1326113

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Two new dinosaur tracksites are reported from the Lower Cretaceous Jiaguan Formation in the Sichuan Basin, Qijiang District of Chongqing. These are the Gaoqing-Yongsheng and the Huibu tracksites, which represent the 13th and 14th reports from this formation. The Gaoqing-Yongsheng tracksite reveals the trackway of a large biped (ornithopod) in association with isolated sauropod tracks and large indeterminate undertracks with radial cracks. These features are preserved as natural casts with pebble infillings in a coarse, cross bedded and very thick bedded sandstone sequence. The Huibu tracksite reveals isolated theropod tracks and ornithopod tracks, the latter having a quadripartite, Caririchnium-like morphology, preserved in a thin bedded sandstone sequence with intercalated mudstone.

引用

页码：976 / 984

页数：9

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