| details |
Late Pliocene |
Pleistocene |
USSR(Siberia) |
Efimova,V.I. et al. Paleobotanicheskaya khapakteristika Nizhne-Spednechetvertichnykh Otlozhenii Yugo-Zapadnoi okrainy shulymo-eniseiskoi vpadiny. |
1971 |
| details |
Pliocene |
Pleistocene |
USSR(Kazakh SSR) |
Akhmeteev,M.A. et al. Paleobotanical characterization of the reference section of Pliocene - Pleistocene sediments on the Tjorness Peninsula, Northern Iceland |
1975 |
| details |
Late Pliocene |
Quaternary |
USSR(Irkutskaya Oblast) |
Khotina,E.B. et al. Upper Pliocene and Quaternary sediments in the middle reaches of the Vitim River. |
1974 |