| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Early Campanian |
Maastrichtian |
Montana |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1981 edition. |
1981 |
| details |
Early Campanian |
Maastrichtian |
Montana |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species, 1985 edition. |
1985 |
| details |
Late Campanian |
Maastrichtian |
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: Index to genera and species, 1977 edition. |
1977 |
| original |
Early Campanian |
Maastrichtian |
Montana |
Harland,R. Dinoflagellate cysts from the Bearpaw Formation (Upper Campanian to Maastrichtian), of Montana. |
1977 |