| original |
Neocomian |
Aptian |
China(Heilungkiang) |
Zhang,L. A discussion of palynological characters and geological ages of several new localities in eastern Heilongjiang Province. (In: Fossils from the Middle-Upper Jurassic and Lower Cretaceous in eastern |
1983 |
| details |
Hauterivian |
Aptian |
USSR(Ukrainian SSR) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Early Cretaceous |
|
USSR(Siberia) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Hauterivian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. Palynostratigraphy of the Neocomian of the Ukrain |
1985 |
| details |
Valanginian |
Barremian |
China(Heilungkiang) |
Gang,L. Palaeontology and biostratigraphy of the Lower Cretaceous Qihulin Formation in eastern Heilongjiang, northeastern China. |
2001 |