| original |
Middle Callovian |
Late Callovian |
England(Cambridgeshire) |
Piel,K.M. Lagenadinium, a new dinocyst from British Middle - Late Callovian Rocks, a possible evolutionary intermediate between Stephanelytron and Gardodinium. |
1985 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. The Eisenack Catalog of Fossil Dinoflagellates. New Series. Volume 1. |
1991 |
| details |
Middle Jurassic |
Early Cretaceous |
Nd |
Fensome,R.A. et al. Dinoflagellates. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |