| details |
Aalenian |
Callovian |
USSR(Mangyshlak ASSR) |
Pudakova,A.K. Sporo-pollen complexes of the oil and Gas bearing Jurassic deposits of Southwestern Turkmenia and Southern Mangyshiak |
1989 |
| details |
Bathonian |
Volgian |
USSR(Siberia) |
Meledina,S.V. et al. Stratotypes of the Checkurovka Formation, Bathonian-Callovian. (In: Detailed Jurassic and Cretaceous stratigraphy and paleontology of Siberia. V.A.Zakharov, editor) |
1991 |
| details |
Jurassic |
Early Cretaceous |
USSR(Ukrainian SSR) |
Voronova,M.A. et al. Zonality of vegetative Cover in Jurassic and Lower Cretaceous O |
1991 |
| details |
Early Campanian |
|
Russia(Taymyr) |
Khomentovskii,O.V. et al. Santonian-Campanian boundary in northern Siberia |
1999 |
| details |
Pliocene |
Pleistocene |
California |
Jefferson,G.T. Paleontological resources management, Anza-Borrego Desert State Park. |
2001 |
| details |
Albian |
|
China(Kansu) |
Tang,F. et al. Biostratigraphy and palaeoenvironment of the dinosaur-bearing sediments in Lower Cretaceous of Mazongshan area, Gansu Province, China. |
2001 |