| original |
Late Callovian |
Oxfordian |
Canada(Arctic) |
Davies,E.H. Jurassic and Lower Cretaceous dinoflagellate cysts of the Sverdrup Basin, Arctic Canada; Taxonomy, biostratigraphy, chronostratigraphy. |
1979 |
| details |
Middle Jurassic |
Early Cretaceous |
Canada(Arctic) |
Dжrhжfer,G. et al. Evolution of archeopyle and tabulation in rhaetogonyaulacinean dinoflagellate cysts. |
1980 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |