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Conodonts from the mid-Carboniferous boundary GSSP at Arrow Canyon, Nevada, USA
Lane, H. Richard1; Qi Yuping (祁玉平)2; Wang Zhihao (王志浩)3; Nemyrovska, Tamara, I4; Richards, Barry C.5; Hu Keyi6
2019
Source PublicationMICROPALEONTOLOGY
ISSN0026-2803
Volume65Issue:2Pages:77-104
Abstract

The Global Stratotype Section and Point of the mid-Carboniferous boundary was selected in the Arrow Canyon section within the lower Bird Spring Formation at the first evolutionary appearance of the conodont Declinognathodus noduliferus (Ellison and Graves) sensu lato. The studied boundary beds, spanning a 38.8-m interval from the Upper Mississippian into the Lower Pennsylvanian, occur in bryozoan-brachiopod-crinoidal grainstones/packstones with conodonts and foraminifers. The conodonts of the studied interval belong to the shallow-water Adetognathus-Rhachistognathus biofacies. The Adetognathus and Rhachistognathus species/subspecies A. lautus (=A. gigantus), A. spathus, R. minutus minutus, R. muricatus, R. primus, R. prolixus, R. websteri and transitional forms dominate the succession. Gnathodus girtyi simplex, G. lanei n. sp., G. defectus and transitional forms between them arc abundant. The elements of the boundary-marker D. noduliferus s.l. and transitional forms between G. girtyi simplex and D. inaequalis arc less common. The occurrences of Idiognathoides spp. are very rare. Neognathodus spp. only occur in the upper part of the studied interval. The mid-Carboniferous boundary stratotype has been studied by many workers but its conodonts have been rarely described systematically. The detailed updated descriptions of the most stratigraphically important taxa are given in this paper. The evolution of Gnathodus, Adetognathus and Rhachistognathus species within the mid Carboniferous interval is discussed. Four lineages are summarized: 1) C. unicornis, A. unicornis, A. lautus and A. spathus; 2) G. girtyi girtyi, G. g. simplex and D. inaequalis; 3) G. lanei and G. defectus; and 4) R. prolixus, R. muricatus and R. websteri/R. primus/R. minutus.

KeywordCarboniferous Conodonts Mid-carboniferous Gssp Arrow Canyon Nevada
Language英语
WOS KeywordGlobal Stratotype Section ; Pennsylvanian Conodonts ; South Urals ; Biostratigraphy ; Foraminifers ; Ammonoids ; Guizhou ; Middle ; Stage
Funding ProjectNational Natural Science Foundation of China[41630101] ; National Natural Science Foundation of China[41802010] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences)[173110]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000461331400001
Funding OrganizationNational Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences)
PublisherMICRO PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/15911
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorQi Yuping (祁玉平); Hu Keyi
Affiliation1.Natl Sci Fdn, 4201 Wilson Blvd, Arlington, VA 22230 USA
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Key Lab Econ Stratig & Palaeogeog, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
4.Natl Acad Sci Ukraine, Inst Geol Sci, O Gonchar Str 55-B, UA-01601 Kiev, Ukraine
5.Geol Survey Canada, 3303 33rd St NW, Calgary, AB T2L 2A7, Canada
6.Nanjing Univ, Ctr Res & Educ Biol Evolut & Environm, 163 Xianlin Ave, Nanjing 210023, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Lane, H. Richard,Qi Yuping ,Wang Zhihao ,et al. Conodonts from the mid-Carboniferous boundary GSSP at Arrow Canyon, Nevada, USA[J]. MICROPALEONTOLOGY,2019,65(2):77-104.
APA Lane, H. Richard,Qi Yuping ,Wang Zhihao ,Nemyrovska, Tamara, I,Richards, Barry C.,&Hu Keyi.(2019).Conodonts from the mid-Carboniferous boundary GSSP at Arrow Canyon, Nevada, USA.MICROPALEONTOLOGY,65(2),77-104.
MLA Lane, H. Richard,et al."Conodonts from the mid-Carboniferous boundary GSSP at Arrow Canyon, Nevada, USA".MICROPALEONTOLOGY 65.2(2019):77-104.
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