Les plus anciens Vertébrés du Grand-Duché de Luxembourg : des Arthrodires Brachythoraci (Piacodermi ; Dévonien inférieur)

Blieck, A.; Lelièvre, H.; Delsate, D.; Godefroid, J.

doi:/10.1016/S1251-8050(98)80009-8

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Les plus anciens Vertébrés du Grand-Duché de Luxembourg : des Arthrodires Brachythoraci (Piacodermi ; Dévonien inférieur)

Blieck, A.; Lelièvre, H.; Delsate, D.; Godefroid, J. (1998). Les plus anciens Vertébrés du Grand-Duché de Luxembourg : des Arthrodires Brachythoraci (Piacodermi ; Dévonien inférieur). C. r. Acad. sci., Sér. 2, Sci. terre planètes 327: 203-210. dx.doi.org/10.1016/S1251-8050(98)80009-8

In: Comptes Rendus de l'Académie des Sciences. Série IIA. Sciences de la Terre et des Planètes = Earth and Planetary Science. Gauthiers-Villars: Paris. ISSN 1251-8050; e-ISSN 1778-4107

Available in	Authors
VLIZ: Open access 249052 [ download pdf ]

Keywords

Belgium, Liège
Belgium, Tournai
Europe, Luxemburg
Geological time > Phanerozoic > Paleozoic > Palaeozoic > Devonian > Devonian, Lower > Emsian
Geological time > Phanerozoic > Paleozoic > Palaeozoic > Devonian > Devonian, Lower > Pragian
Geological time > Phanerozoic > Paleozoic > Palaeozoic > Devonian > Devonian, Middle > Givetian
Geological time > Phanerozoic > Paleozoic > Palaeozoic > Devonian > Devonian, Upper > Famennian
Bivalvia [WoRMS]; Brachiopoda [WoRMS]; Brachythoraci; Placodermi
Dour [Marine Regions]; Esneux [Marine Regions]
Marine/Coastal

Author keywords

Dévonien, Emsien, Schistes de Wiltz , placodermes , Brachythoraci , Grand-Duché de Luxembourg

Authors		Top
Blieck, A. Lelièvre, H. Delsate, D. Godefroid, J.

Abstract

Two dermal plates of the thoracic shield of brachythoracid arthrodires have been discovered in Emsian localities of the Grand-Duchy of Luxembourg (GDL). They represent the first confirmed discovery of vertebrates in the Lower Devonian of the GDL, and thus become the oldest vertebrates of this country. They are also interesting by the fact that the occurrence of Brachythoraci in the Devonian of the Ardenne Allochthon has been, until now, very rare. The features of one of both plates fit rather well with the shape of the homologous plate of the Coccosteidae; this family is usually unreported in Lower Devonian rocks.

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