| details |
Kimmeridgian |
|
England(Yorkshire) |
Bailey,D.A. et al. Some dinoflagellate cysts from the Kimmeridgian Clay Formation, North Yorkshire and Dorset, UK |
1997 |
| original |
Kimmeridgian |
|
England(Yorkshire) |
Bailey,D.A. et al. Some dinoflagellate cysts from the Kimmeridgian Clay Formation, North Yorkshire and Dorset, UK |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Volgian |
|
Russian Platform |
Riding,J.B. et al. Jurassic and Lowermost Cretaceous dinoflagellate cyst biostratigraphy of the Russian Platform and Northern Siberia, Russia. |
1999 |
| details |
Early Ryazanian |
|
Barents Sea |
Smelror,M. et al. Marine microplankton biostratigraphy of the Volgian - Ryazanian boundary strata,western Barents Shelf. |
2005 |