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- W2938477075 abstract "Research Article| April 16, 2019 LOWER TRIASSIC LIMULID TRACKWAYS (KOUPHICHNIUM) FROM THE SOUTHWESTERN MARGIN OF THE YANGTZE CARBONATE PLATFORM: PALEOENVIRONMENTAL AND PALEOECOLOGICAL IMPLICATIONS GUO SHI; GUO SHI 1School of Earth Science, East China University of Technology, Nanchang, Jiangxi 330013, China 2Shandong Key Laboratory of Depositional Mineralization and Sedimentary Mineral, Shandong University of Science and Technology, Qingdao, Shandong 266590, China email: sdsg2007@126.com and awoods@fullerton.edu Search for other works by this author on: GSW Google Scholar ADAM D. WOODS; ADAM D. WOODS 3Department of Geological Science, California State University, Fullerton, California 92834, USA email: sdsg2007@126.com and awoods@fullerton.edu Search for other works by this author on: GSW Google Scholar MEI-YI YU; MEI-YI YU 4Department of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou 550003, China Search for other works by this author on: GSW Google Scholar XIAO-WEI LI; XIAO-WEI LI 5Geological Sciences Department, Stanford University, Stanford, California 94305, USA Search for other works by this author on: GSW Google Scholar HENG-YE WEI; HENG-YE WEI 1School of Earth Science, East China University of Technology, Nanchang, Jiangxi 330013, China Search for other works by this author on: GSW Google Scholar DAN QIAO DAN QIAO 1School of Earth Science, East China University of Technology, Nanchang, Jiangxi 330013, China Search for other works by this author on: GSW Google Scholar Author and Article Information GUO SHI 1School of Earth Science, East China University of Technology, Nanchang, Jiangxi 330013, China 2Shandong Key Laboratory of Depositional Mineralization and Sedimentary Mineral, Shandong University of Science and Technology, Qingdao, Shandong 266590, China ADAM D. WOODS 3Department of Geological Science, California State University, Fullerton, California 92834, USA MEI-YI YU 4Department of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou 550003, China XIAO-WEI LI 5Geological Sciences Department, Stanford University, Stanford, California 94305, USA HENG-YE WEI 1School of Earth Science, East China University of Technology, Nanchang, Jiangxi 330013, China DAN QIAO 1School of Earth Science, East China University of Technology, Nanchang, Jiangxi 330013, China email: sdsg2007@126.com and awoods@fullerton.edu Publisher: SEPM Society for Sedimentary Geology First Online: 16 Apr 2019 Online Issn: 1938-5323 Print Issn: 0883-1351 Copyright © 2019, SEPM (Society for Sedimentary Geology) PALAIOS (2019) 34 (4): 229–243. https://doi.org/10.2110/palo.2018.081 Article history First Online: 16 Apr 2019 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation GUO SHI, ADAM D. WOODS, MEI-YI YU, XIAO-WEI LI, HENG-YE WEI, DAN QIAO; LOWER TRIASSIC LIMULID TRACKWAYS (KOUPHICHNIUM) FROM THE SOUTHWESTERN MARGIN OF THE YANGTZE CARBONATE PLATFORM: PALEOENVIRONMENTAL AND PALEOECOLOGICAL IMPLICATIONS. PALAIOS 2019;; 34 (4): 229–243. doi: https://doi.org/10.2110/palo.2018.081 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyPALAIOS Search Advanced Search ABSTRACT Well-preserved arthropod trackways are found in the Lower Triassic Daye Formation in the Huaxi area of the city of Guiyang, South China. Two types of trackways have been identified. The first type is composed of symmetrical to asymmetrical trackways containing several sets of repeated imprints. The main imprints in each set are typically tetradactyl at the front of the imprint and bifid towards the rear. Associated intermediate imprints are simple, short to long, curved scratches with a bifid termination on one end. The second type is composed of irregularly arranged imprints of variable morphologies. The morphological characteristics of both types of trackways suggest that these trace fossils should be referred to as Kouphichnium, which is most probably produced by limulids, marine arthropods that inhabit a wide range of marginal marine environments during their life cycle. The Kouphichnium specimens documented here are the earliest limulid fossil trackways found after the Permian–Triassic mass extinction (PTME) in South China. Both forms of limulid traces are closely associated with other ichnotaxa, including Helminthoidichnites, Helminthopsis, Planolites, and Phycosiphon, which indicates the emergence of a three trophic level system with limulids located at the top of the food web during the Dienerian (251.7–251.2 Ma). Paleoenvironmental analysis reveals that the trace-makers lived below fair-weather wave base, on a gently sloping bottom, at depths of about 50–60 m, while pyrite framboid data suggest that deposition occurred under dysoxic conditions. The complexity of the Dienerian food web and feeding behaviors is a reflection of the degree of marine benthic ecosystem recovery and a result of the environmental amelioration after the PTME. You do not have access to this content, please speak to your institutional administrator if you feel you should have access." @default.
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- W2938477075 title "LOWER TRIASSIC LIMULID TRACKWAYS (KOUPHICHNIUM) FROM THE SOUTHWESTERN MARGIN OF THE YANGTZE CARBONATE PLATFORM: PALEOENVIRONMENTAL AND PALEOECOLOGICAL IMPLICATIONS" @default.
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- W2938477075 doi "https://doi.org/10.2110/palo.2018.081" @default.
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