| details |
Portlandian |
|
England(Dorset) |
Norris,G. et al. Fine wallstructure of selected Upper Jurassic Gonyaulacystinean dinoflagellate cysts from Southern England |
1984 |
| details |
Portlandian |
Berriasian |
England(Dorset) |
Norris,G. Palynology and British Purbeck Facies |
1985 |
| details |
Portlandian |
|
England(Dorset) |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species, 1985 edition. |
1985 |
| details |
Portlandian |
|
England(Dorset) |
Stover,L.E. et al. Analyses of Mesozoic and Cenozoic organic-walled dinoflagellates 1977-1985 |
1987 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |