original |
Middle Callovian |
Early Kimmeridgian |
Nd |
Stover,L.E. et al. The Jurassic dinoflagellate genus Stephanelytron |
1977 |
original |
Middle Callovian |
Early Oxfordian |
England(Cambridgeshire) |
Riding,J.B. Jurassic dinocysts from the Warboys borehole, Cambridgeshire, England. |
1982 |
original |
Puaroan |
|
New Zealand(N.I.) |
Helby,R.J. et al. A preliminary biostratigraphic study of Middle to Late Jurassic dinoflagellate assemblages from Kawhia, New Zealand. (In: Palynological and Palaeobotanical Studies in Honour of Basil E. Balme. P.A. Jell and G. Playford, editors) |
1988 |