Agnini, C., et al. (2014). Biozonation and biochronology of Paleogene calcareous nannofossils from low and middle latitudes. Newsletters on Stratigraphy. 47: 131-181. gs

Bergen, J. A. (1994). Berriasian to early Aptian calcareous nannofossils from the Vocontian trough (SE France) and Deep Sea Drilling Site 534: new nannofossil taxa and a summary of low-latitude biostratigraphic events. Journal of Nannoplankton Research. 16: 59-69. gs

Berggren, W. A., Kent, D. V. & Flynn, J. J. (1985a). Paleogene geochronology and chronostratigraphy. In, Snelling, N. J. (ed.) The Chronology of the Geological Record. Memoirs of the Geological Society of London . 10: 141-195. gs

Berggren, W. A., et al. (1995). A revised Cenozoic geochronology and chronostratigraphy. In, Berggren, W. A. , Kent, D. V. , Aubry, M. -P. , and Hardenbol, J. (ed.) Geochronology, Time Scales and Global Stratigraphic Correlations: A Unified Temporal Framework for a Historical Geology. SEPM Special Publication . 54: 129-212. gs

Bown, P. R. (1998a). Triassic. In, Bown , P. R. (ed.) Calcareous nanofossils biostratigraphy. Chapman and Hall. London, 29-33. gs

Bown, P. R. (ed. ) (1998b). Calcareous nanofossils biostratigraphy. Chapman and Hall. London,. 1-314. gs

Bralower, T. J., et al. (1995). An integrated Cretaceous microfossil biostratigraphy. In, Berggren, W. A. , Kent, D. V. , and Hardenbol, J. (ed.) Geochronology, Time Scales and Global Stratigraphic Correlations: A Unified Temporal Framework for a Historical Geology. SEPM Special Publication . 54: 65-79. gs

Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. London: Chapman & Hall 132-199. gs

Cande, S. C. & Kent, D. V. (1992). A new geomagnetic polarity time scale for the late Cretaceous and Cenozoic. Journal of Geophysical Research. 97: 13917-13951. gs

Casellato, C. E. (2010). Calcareous nannofossil biostratigraphy of upper Callovian-lower Berriasian successions from the southern Alps, North Italy. Rivista Italiana di Paleontologia e Stratigrafia. 116: 357-404. gs

de Kaenel, E., Bergen, J. A. & von Salis Perch-Nielsen, K. (1996). Jurassic calcareous nannofossil biostratigraphy of western Europe. Compilation of recent studies and calibration of bioevents. Bulletin de la Société Géologique de France. 167: 15-28. gs

Erba, E., Premoli Silva, I. & Watkins, D. K (1995). Cretaceous calcareous plankton biostratigraphy of Sites 872 through 879. Proceedings of the Ocean Drilling Program, Scientific Results. 144: 157-169. gs

Lourens, L. J., et al. (2004). The Neogene Period. In, Gradstein, F. M. , Ogg, J. G. , and Smith, A. G. (ed.) A Geologic Time Scale 2004. Cambridge: Cambridge University Press 409-440. gs

Martini, E. (1971). Standard Tertiary and Quaternary calcareous nannoplankton zonation. In, Farinacci, A. (ed.) Proceedings of the Second Planktonic Conference, Rome, 1970. Tecnoscienza, Roma 739-785. gs

Mattioli, E. & Erba, E. (1999). Synthesis of calcareous nannofossil events in tethyan Lower and Middle Jurassic successions. Rivista Italiana di Paleontologia e Stratigrafia. 105: 343-376. gs

Perch-Nielsen, K. (1985). Cenozoic calcareous nannofossils. In, Bolli, H. M. , Saunders, J. B. , and Perch-Nielsen, K. (ed.) Plankton Stratigraphy. Cambridge University Press, Cambridge 427-554. gs

Raffi, I., et al. (2006). A review of calcareous nannofossil astrobiochronology encompassing the past 25 million years. Quaternary Science Reviews. 25: 3113-3137. gs

Raffi, I., Wade, B. S. & Pälike, H. (2020). Chapter 29 - The Neogene Period. In, Gradstein, F. M. , Ogg, J. G. , Schmitz, M. D. , and Ogg, G. M. (ed.) The Geologic Time Scale 2020. Elsevier, Boston, MA 2: 1141-1217. gs

Wimbledon, W. A. P., et al. (2020). Fixing a J/K boundary: a comparative account of key Tithonian-Berriasian profiles in the departments of Drome and Hautes-Alpes, France. Geologica Carpathica. 71: 24-46. gs