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Middle Devonian trilobites from the Mont d’Haurs section in Givet, France, with two new species of Dechenella

Published online by Cambridge University Press:  01 March 2011

Arnaud Bignon  and
Catherine Crônier
Arnaud Bignon
Affiliation:
Université Lille 1, USTL Sciences de la Terre, FRE 3298 GEOSYSTEMES, 59655 Villeneuve d’Ascq Cedex, France Email: arnaud.bignon@ed.univ-lille1.fr; catherine.cronier@univ-lille1.fr
Catherine Crônier
Affiliation:
Université Lille 1, USTL Sciences de la Terre, FRE 3298 GEOSYSTEMES, 59655 Villeneuve d’Ascq Cedex, France Email: arnaud.bignon@ed.univ-lille1.fr; catherine.cronier@univ-lille1.fr
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Abstract

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Recent investigation of the historical Mont d’Haurs section near Givet yielded numerous trilobites from Middle Devonian carbonate deposits. The trilobite fauna described in the present paper comprises a number of taxa from the basal Givetian, including two new ones: Dechenella givetensis sp. n.; Dechenella calxensis sp. n.; Dechenella ziegleri Struve, 1992; Goldius cf. capitellum (Archinal, 1994); and Nyterops cf. hollandi van Viersen, 2007a. This fauna confirms the previously recognised taxonomic diversity pattern and the Dechenella and Nyterops Association from the middle Middle Devonian in the Ardenne area.

Keywords

AssociationdiversityFrench ArdenneHanonet FormationMiddle DevonianTerres d'Haurs FormationTrilobitaTrois Fontaines Formation
Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 102 , Issue 1 , March 2011 , pp. 43 - 57
Copyright
Copyright © Royal Society of Edinburgh 2011