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Sur les otolithes des sables de Grimmertingen (Oligocène inférieur de Belgique)
Nolf, D. (1972). Sur les otolithes des sables de Grimmertingen (Oligocène inférieur de Belgique). Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 48(11): 1-22, I plate
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
Peer reviewed article  

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Keywords
    Geological time > Phanerozoic > Geological time > Cenozoic > Paleogene > Palaeogene > Oligocene > Rupelian
    Actinopterygii [WoRMS]
    Belgium, Kortessem [Marine Regions]
    Marine

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Abstract
    Twenty-one species of teleost otoliths from the Sables de Grimmertingen are described. Six of them are new : Raniceps altus, « genus aff. Brosmopbycis » brevis, Otophidium caudatum, « genus Ophidiidarum » ornatissimus, Monomitopus grimmertingensis, « genus aff. Neobythites » spina. Although three species common to the Belgian Eocene are still present, the appearance of four typically Oligocène species together with numerous new species unknown in the Eocene suggest that these sands are of lower Oligocene age. They suggest a neritic fauna which lived in calm, somewhat deep water on a soft, muddy bottom. The abundance of gadids suggests a colder climate than that of the Eocene epoch.

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