Selection of the conodont Idiognathodus simulator (Ellison) as the event marker for the base of the global Gzhelian Stage (Upper Pennsylvanian, Carboniferous)

Studies carried out for more than 10 years by the Task Group to establish GSSPs at the base of the Moscovian–Kasimovian and Kasimovian–Gzhelian boundaries have resulted in the proposal that the level at which the conodont species Idiognathodus simulator (Ellison, 1941) first appears be selected to m...

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Published in:Palaeoworld 2009-09, Vol.18 (2), p.114-119
Main Authors: Villa, Elisa, Alekseev, Aleksander S., Barrick, James E., Boardman, Darwin R., Djenchuraeva, Alexandra V., Fohrer, Beate, Forke, Holger, Goreva, Natalya V., Heckel, Philip H., Isakova, Tatiana N., Kossovaya, Olga, Lambert, Lance L., Martínez-Chacón, María-Luisa, Méndez, Carlos A., Nemyrovska, Tamara I., Remizova, Svetlana, Samankassou, Elias, Posada, Luis C. Sánchez de, Ueno, Katsumi, Wahlman, Greg, Work, David M.
Format: Article
Language:English
Subjects:
Ammonoidea
Chronostratigraphy
Conodonta
Conodonts
Correlation
Global events
Idiognathodus
Lower Gzhelian boundary
Upper Pennsylvanian
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Summary:Studies carried out for more than 10 years by the Task Group to establish GSSPs at the base of the Moscovian–Kasimovian and Kasimovian–Gzhelian boundaries have resulted in the proposal that the level at which the conodont species Idiognathodus simulator (Ellison, 1941) first appears be selected to mark the base of the Gzhelian Stage. This expands this eastern European chronostratigraphic unit to a global scale. I. simulator (sensu Barrick et al., 2008) has been identified so far in Midcontinent and eastern North America, the Moscow and Donets basins and southern Urals of eastern Europe, and in south-central China. Correlation of this level based on this species and other conodont species can be reinforced in some areas by ammonoid and fusulinid data.
ISSN:1871-174X
DOI:10.1016/j.palwor.2009.04.002