Language: Contributions in French with abstracts in English, French, and German
Contains the following contributions:
Dominic Delsate: Un Arthrodire Brachythoraci (Placoderme) du Dévonien inférieur (Emsien) de Lellingen (Grand-Duché de Luxembourg). Note préliminaire
A bony plate on an Emsian shale from Leiïingen (Wiltz Basin, Grand Duchy of Luxembourg) is identified as a dermal armour fragment of an Arthrodira Brachythoraci.
Dominic Delsate & PL Maubeuge: Paléogéographie des bordures ardennaises et vosgiennes au Rhétien: Les terres émergées à la fin de la période triasique
Dominic Delsate: Chondrichthyens mésozoïques du Grand-Duché de Luxembourg
The chondrichthyan fossil fauna from Luxembourg is completed. Middle Bajocian Synechodus, Lower and Middle Toareian Hybodus hauffianus are described. A second Hybodus cf grossiconus tooth is introduced. A group of Acrodus nobilis teeth on a Sinemurian limestone is described. The Luxembourg Rhaetian fauna is extended to new groups.
Dominic Delsate: Les couches à Leptaena (Koninckella) sur l'auréole orientale du Bassin de Paris
The Koninckella ("Leptaena") beds, previously known from the Western and Southern borders of the Paris basin, are demonstrated for the first time on its Eastern border . They are dated from the Tenuicostalum-Semicelatum Zone of the Lower Toarcian. Micromorphic Brachiopod and Lamellibranch faunas are correlated to anoxia and biological crisis.
Dominic Delsate: Actinoptérygiens du Toarcien inférieur du Grand Duché de Luxembourg: présence de Leptolepis normandica NYBELIN 1962 (Téléostéen) avec otolithes in situ
For the first time, otoliths of the teleostean toarcian fisch Leptolepis normandica NYBELIN 1962 are studied and figured in situ. The material was yielded by the joint field campaign of the Musee national d'Histoire Naturelle de Luxembourg and the Institut Royal des Sciences Naturelles de Belgique, in the bituminous Lower Toarcian shales (Falciferum Zone) of Bascharage. The otoliths till now attributed to the genus Leptolepis were deduced from their association with Leptolepis bones or skulls in the sediments or in the stomach content of a predator.
PL Maubeuge: Decouverte de survivants des Calyptoptomatidae au Jurassique du Grand-Duche de Luxembourg