| details |
Late Jurassic |
Early Cretaceous |
Denmark |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
| original |
Middle Volgian |
|
Denmark |
Poulsen,N.E. Dinoflagellate cysts from marine Jurassic deposits of Denmark and Poland |
1996 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Late Volgian |
Early Ryazanian |
Barents Sea |
Smelror,M. et al. Marine microplankton biostratigraphy of the Volgian - Ryazanian boundary strata,western Barents Shelf. |
2005 |