| details |
Cenomanian |
|
England(Surrey) |
Stover,L.E. et al. Analyses of pre-Pleistocene organic-walled dinoflagellates. |
1978 |
| details |
Nd |
|
Canada(NWT,Franklin) |
Davies,E.H. The dinoflagellate Oppel-zonation of the Jurassic-Lower Cretaceous sequences in the Sverdrup Basin, Arctic Canada. |
1983 |
| details |
Cenomanian |
|
England |
Jan du ChЄne,R.E. et al. Practical guide for the identification of dinoflagellate cyst fossils. the Gonyaulacysta complex. |
1986 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |