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Beskrivelse
This is the opening volume of a series that represents the first modern, extensive study of the planktic foraminifera of the Late Cretaceous Age. This group of microscopical single-celled protistans are the most used in the biostratigraphy of the Upper Cretaceous successions, and, from this perspective, this book is of paramount importance for specialists in oil industry and academia. This first volume is dedicated to one iconic group of planktics, the globotruncanids. It describes 61 species that are grouped into thirteen genera, illustrating them with high-quality photographs that emphasize the spectacular morphology of this foraminiferal group. With emphasis on the test ultrastructures and high-detail morphological characters in concert with the features pertaining of the general test architecture, this work provides the most comprehensive perspective on this group of foraminifera. The work will provide specialists and students with a wealth of ready-to-use data in a wide array of applications, from biostratigraphy to evolution.