| details |
Neocomian |
Aptian |
India(Tamil Nadu) |
Jain,K.P. et al. Reappraisal of the genus Muderongia, Cookson and Eisenack,1958 |
1984 |
| details |
Aptian |
Early Albian |
Canada(NWT,Mackenzie) |
Jain,K.P. et al. Reappraisal of the genus Muderongia, Cookson and Eisenack,1958 |
1984 |
| details |
Aptian |
Early Albian |
Canada(NWT,Mackenzie) |
Stover,L.E. et al. Analyses of Mesozoic and Cenozoic organic-walled dinoflagellates 1977-1985 |
1987 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |