The ammonite fauna of the type Maastrichtian with a revision of Ammonites colligatus BINKHORST, 1861

A revision of the ammonites from Maastricht and adjacent parts of Limburg and Liège based on the BINKHORST Collection in the Museum für Naturkunde, Berlin, the collections of the Institut Royal des Sciences naturelles de Belgique, Brussels, (including material described by A. DE GROSSOUVRE in 1908) and the Natuurhistorisch Museum, Maastricht, revealed the following sequence of faunas. The youngest Campanian ammonite from the Vaals Formation is a specimen of Hopliloplacenticeras marroti (COQUAND, 1859) from Vijlen, Cotessen (Zuid-Limburg, The Netherlands); this is a typical lower Upper Campania... Mehr ...