Latitudinal variation in the planktic foraminifer Contusotruncana contusa in the terminal Cretaceous ocean

122-761c; 122-762c; 39-356; 43-384; 62-465a; 74-525a; 74-527; 80-548a; caravaca_outcrop; deep sea drilling project; drill; drilling/drill rig; dsdp; el-kef; glomar challenger; joides resolution; leg122; leg39; leg43; leg62; leg74; leg80; north atlantic/ridge; north atlantic/spur; north pacific/cont rise; ocean drilling program; odp; outcrop; outcrop sample; south atlantic/crest; south atlantic/plateau; south atlantic ocean; south indian ridge, south indian ocean; spain; tunesia