Arenaceous Foraminifera and Lagenidae from the Neocomian (lower Cretaceous) of the Netherlands

Ten species of arenaceous Foraminifera and twelve species of Lagenidae are described from the middle Neocomian (Hauterivian--lower Cretaceous) from the village of Glanerbrug, Overijsel province, Netherlands. Twelve of these are new species, and one is a new variety.