| original |
Early Valanginian |
|
England(Yorkshire) |
Duxbury,S. On Lagenorhytis Duxbury nom.nov. |
1979 |
| details |
Valanginian |
|
Worldwide |
Wilson,G.J. et al. A concise catalogue of organic-walled fossil dinoflagellate genera. |
1980 |
| details |
Late Ryazanian |
Early Valanginian |
Denmark |
Piasecki,S. Dinoflagellate cyst stratigrphy of the Lower Cretaceous Jydegard Formation, Bornholm, Denmark. |
1984 |
| details |
Early Valanginian |
|
England(Yorkshire) |
Stover,L.E. et al. Analyses of Mesozoic and Cenozoic organic-walled dinoflagellates 1977-1985 |
1987 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. The Eisenack Catalog of Fossil Dinoflagellates. New Series. Volume 1. |
1991 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |