Revision of the conodont Erraticodon hexianensis from the upper Meitan Formation (Middle Ordovician) of Guizhou, South China

YONG YI ZHEN; JIANBO LIU; IAN G. PERCIVAL

doi:10.2517/1342-8144(2007)11[145:ROTCEH]2.0.CO;2

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YONG YI ZHEN,¹ JIANBO LIU,² IAN G. PERCIVAL³

¹Palaeontology Section, The Australian Museum, 6 College Street, Sydney, NSW 2010, Australia ( ) yongyi.zhen@austmus.gov.au
²Department of Geology, Peking University, Beijing 100871, PRChina ( ) jbliu@pku.edu.cn
³Geological Survey of New South Wales, NSW Department of Primary Industries, State Geoscience Centre, 947-953 Londonderry Road, Londonderry, NSW 2753, Australia ( ) ian.percival@dpi.nsw.gov.au

Abstract

Erraticodon hexianensis, a conodont with an octomembrate species apparatus, is described and illustrated from the upper part of the Meitan Formation in Guizhou, South China. Cooccurrence of Erraticodon hexianensis and Lenodus variabilis at the top of the Meitan Formation in the Honghuayuan Section of Tongzi suggests an early Darriwilian age for this level. Recovery of Oepikodus communis from the base of the Meitan Formation in the Ganxi Section of Yanhe indicates a correlation with the communis Zone of the Early Ordovician.

Citation Download Citation

YONG YI ZHEN, JIANBO LIU, and IAN G. PERCIVAL "Revision of the conodont Erraticodon hexianensis from the upper Meitan Formation (Middle Ordovician) of Guizhou, South China," Paleontological Research 11(2), 145-162, (1 June 2007). https://doi.org/10.2517/1342-8144(2007)11[145:ROTCEH]2.0.CO;2

Received: 22 May 2006; Accepted: 1 December 2006; Published: 1 June 2007

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