Leymeriaster campestris , a new early Campanian hemiasterid echinoid from southern Limburg, the Netherlands

Abstract In the type area of the Maastrichtian Stage (northeast Belgium, southeast Netherlands), two species of the rare hemiasterid echinoid genus Leymeriaster were known to date. Here we describe a third, L. campestris sp. nov., from the so-called ‘Laagje van Müller’ (Gemmenich Member, Vaals Formation) at Vaals-Eschberg, southern Limburg (the Netherlands), which is of early Campanian age. It differs from its late Maastrichtian congeners in the area, L. maestrichtensis and L. eluvialis , in that the pore pairs in the frontal groove of ambulacrum III are not in small depressions and the adjace... Mehr ...