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Late Triassic sauropodomorph and Middle Jurassic theropod tracks from the Xichang Basin, Sichuan Province, southwestern China: First report of the ichnogenus Carmelopodus
Xing, Li-Da1,2,3; Ba, Jin4; Lockley, Martin G.5; Klein, Hendrik6; Yan, Sheng-Wu4; Romilio, Anthony7; Chou, Chun-Yong2; Persons, W. Scott8
2018
Source PublicationJOURNAL OF PALAEOGEOGRAPHY-ENGLISH
ISSN2095-3836
Volume7Issue:1Pages:1-13
Abstract

Upper Triassic and Middle Jurassic strata of the Xichang Basin in Sichuan Province, southwestern China, yielded important dinosaur ichnofossils. From the Xujiahe Formation of the Yiguojiao tracksite, we report a Late Triassic footprint assemblage in China and the first discovery of diagnostic Triassic sauropodomorph tracks in this region. The tracks share a number of features in common with the ichnogenera Eosauropus (Late Triassic) and Liujianpus (Early Jurassic). The neighboring Bingtu tracksite is stratigraphically younger (Shaximiao Formation, Middle Jurassic) and preserves small tridactyl theropod tracks that represent the first occurrence of the ichnotaxon Carmelopodus in China and Asia. While these tracks are morphologically comparable to those from the Middle Jurassic type locality in North America, the specimens from China show the proximal margin of the digit IV impression in a more cranial position, which may indicate a trackmaker with a relatively short metatarsal IV. In addition to the skeletal record, the Carmelopodus footprints document the presence of small theropods in the dinosaur fauna of the Middle Jurassic Shaximiao Formation.

KeywordSauropodomorph Theropod Footprint Ichnofossil Upper Triassic Xujiahe Formation Middle Jurassic Shaximiao Formation Xichang Basin Sichuan Province
DOI10.1016/j.jop.2017.11.004
Language英语
WOS KeywordDinosaur ; Footprints ; Assemblages ; Revision ; Asia
Funding ProjectNational Natural Science Foundation of China[41772008] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[173127] ; comprehensive geological and mineral survey in Wumeng mountainous area conducted by China Geological Survey[121201010000150002]
WOS Research AreaGeology ; Paleontology
WOS SubjectGeosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000428753900001
Funding OrganizationNational Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; comprehensive geological and mineral survey in Wumeng mountainous area conducted by China Geological Survey
PublisherSCIENCE PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/18884
Collection中国科学院南京地质古生物研究所
Corresponding AuthorBa, Jin
Affiliation1.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China
2.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
4.Sichuan Inst Geol Survey, Chengdu 610081, Sichuan, Peoples R China
5.Univ Colorado Denver, Dinosaur Trackers Res Grp, POB 173364, Denver, CO 80217 USA
6.Saurierwelt Palaontol Museum, AlteRicht 7, D-92318 Neumarkt, Germany
7.Univ Queensland, Sch Biol Sci, Brisbane, Qld 4072, Australia
8.Univ Alberta, Dept Biol Sci, 116 St & 85 Ave, Edmonton, AB T6G 2R3, Canada
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Xing, Li-Da,Ba, Jin,Lockley, Martin G.,et al. Late Triassic sauropodomorph and Middle Jurassic theropod tracks from the Xichang Basin, Sichuan Province, southwestern China: First report of the ichnogenus Carmelopodus[J]. JOURNAL OF PALAEOGEOGRAPHY-ENGLISH,2018,7(1):1-13.
APA Xing, Li-Da.,Ba, Jin.,Lockley, Martin G..,Klein, Hendrik.,Yan, Sheng-Wu.,...&Persons, W. Scott.(2018).Late Triassic sauropodomorph and Middle Jurassic theropod tracks from the Xichang Basin, Sichuan Province, southwestern China: First report of the ichnogenus Carmelopodus.JOURNAL OF PALAEOGEOGRAPHY-ENGLISH,7(1),1-13.
MLA Xing, Li-Da,et al."Late Triassic sauropodomorph and Middle Jurassic theropod tracks from the Xichang Basin, Sichuan Province, southwestern China: First report of the ichnogenus Carmelopodus".JOURNAL OF PALAEOGEOGRAPHY-ENGLISH 7.1(2018):1-13.
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