| The geologic time scale 2012 FM Gradstein, JG Ogg, M Schmitz, G Ogg elsevier, 2012 | 11962* | 2012 |
| The geologic time scale 2012 FM Gradstein, JG Ogg, M Schmitz, G Ogg elsevier, 2012 | 11611* | 2012 |
| The geologic time scale 2012 FM Gradstein, JG Ogg, M Schmitz, G Ogg elsevier, 2012 | 10254 | 2012 |
| The geologic time scale 2012 FM Gradstein, JG Ogg, M Schmitz, G Ogg elsevier, 2012 | 10226 | 2012 |
| A concise geologic time scale: 2016 JG Ogg, G Ogg, FM Gradstein Elsevier, 2016 | 3767* | 2016 |
| A concise geologic time scale: 2016 JG Ogg, G Ogg, FM Gradstein Elsevier, 2016 | 2743* | 2016 |
| A concise geologic time scale: 2016 JG Ogg, G Ogg, FM Gradstein Elsevier, 2016 | 2278 | 2016 |
| Concise Geologic Time Scale JG Ogg, G Ogg, M Gradstein, Felix | 2275* | 2008 |
| A Mesozoic time scale FM Gradstein, FP Agterberg, JG Ogg, J Hardenbol, P van Veen, J Thierry, ... Journal of Geophysical Research: Solid Earth 99 (B12), 24051-24074, 1994 | 1175 | 1994 |
| A Triassic, Jurassic and Cretaceous time scale FM Gradstein, FP Agterberg, JG Ogg, J Hardenbol, P Van Veen, J Thierry, ... Special Publications of SEPM, 1995 | 959 | 1995 |
| The neogene period FJ Hilgen, LJ Lourens, JA Van Dam, FM Gradstein, JG Ogg, M Schmitz, ... Elsevier Science, 2012 | 761 | 2012 |
| A Phanerozoic time scale FM Gradstein, J Ogg Episodes Journal of International Geoscience 19 (1), 3-6, 1996 | 581 | 1996 |
| Geologic time scale 2004–why, how, and where next! F Gradstein, J Ogg Lethaia 37 (2), 175-181, 2004 | 460 | 2004 |
| Carbon isotope stratigraphy MR Saltzman, E Thomas, FM Gradstein, JG Ogg, M Schmitz, G Ogg The geologic time scale 1, 207-232, 2012 | 419 | 2012 |
| The cretaceous period JG Ogg A geologic time scale, 344-383, 2004 | 407 | 2004 |
| The paleogene period HP Luterbacher A geologic time scale 2004, 2004 | 377 | 2004 |
| The devonian period RT Becker, JEA Marshall, AC Da Silva, FP Agterberg, FM Gradstein, ... Geologic time scale 2020, 733-810, 2020 | 365 | 2020 |
| The triassic period JG Ogg, ZQ Chen, MJ Orchard, HS Jiang Geologic time scale 2020, 903-953, 2020 | 312 | 2020 |
| Organic-matter-rich shales of China C Zou, R Zhu, ZQ Chen, JG Ogg, S Wu, D Dong, Z Qiu, Y Wang, L Wang, ... Earth-Science Reviews 189, 51-78, 2019 | 292 | 2019 |
| The silurian period MJ Melchin, PM Sadler, BD Cramer Geologic time scale 2020, 695-732, 2020 | 289 | 2020 |
