1. Biozonation and biochronology of Paleogene calcareous nannofossils from low and middle latitudes;Agnini;Newsl. Stratigr.,2014
2. Late Paleocene-Early Eocene Climatic and Biotic Events in the Marine and Terrestrial Records;Aubry,1998
3. Biozonation and biochronology of Miocene through Pleistocene calcareous nannofossils from low and middle latitudes;Backman;Newsl. Stratigr.,2012
4. BP Gulf of Mexico Neogene astronomically-tuned time scale (BP GNATTS);Bergen;Bulletin,2019
5. Calcareous Nannofossil Biostratigraphy, Evolution, and Taxonomy in Two Problematic Intervals: The Oligocene (ODP Leg 199) and Turonian (ODP Leg 207);Blair,2011