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Reassignment to the Middle Devonian of some rugose corals investigated by LE MAÎTRE (1934) in the Chalonnes Formation from the Southeastern Armorican Massif (France)
Coen-Aubert, M. (2011). Reassignment to the Middle Devonian of some rugose corals investigated by LE MAÎTRE (1934) in the Chalonnes Formation from the Southeastern Armorican Massif (France). Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 81: 27-53
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Aardwetenschappen = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Sciences de la Terre. KBIN: Brussel. ISSN 0374-6291, more
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Keywords
Author keywords
    Rugose corals ; Chalonnes Formation ; Devonian ; France

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  • Coen-Aubert, M., more

Abstract
    Nine taxa of rugose corals collected by LEMAÎTRE (1934) and coming from the Chalonnes Formation of the Southeastern Armorican Massif in France have been revised. They belong to the genera Stringophyllum WEDEKIND, 1922, Sociophyllum BIRENHEIDE, 1962, Acanthophyllum DYBOWSKI, 1873, Beugniesastraea COEN-AUBERT, 1989 and Fasciphyllum SCHLÜTER, 1885. Among this material, Stringophyllum acanthicum (FRECH, 1885), Sociophyllum elongatum (SCHLÜTER, 1881), Acanthophyllum vermiculare (GOLDFUSS, 1826) and A. tortum (TSIEN, 1969) occur close to the Eifelian-Givetian boundary, on the south side of the Dinant Synclinorium in Belgium. Moreover, the first three species have been defined in the Middle Devonian of the Eifel Hills in Germany and they are observed in the Late Eifelian and the Early Givetian of this area. For comparison, A. heterophyllum (MILNE-EDWARDS & HAIME, 1851) and Sociophyllum cf. elongatum sampled by LE MAÎTRE (1934) in the Late Emsian Valet Formation from the Southeastern Armorican Massif have also been investigated. The Belgian material of Stringophyllum acanthicum is included in the systematic description of this taxon.

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