| original |
Late Kimmeridgian |
|
England |
Fisher,M.J. et al. The stratigraphic distribution of dinoflagellate cysts at the Boreal Jurassic-Cretaceous boundary. |
1979 |
| details |
Late Kimmeridgian |
|
England |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Volgian |
|
England(Yorkshire) |
Fisher,M.J. et al. A note on the nomenclature of some Upper Jurassic dinoflagellate cyst taxa. |
1982 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |