| details |
Albian |
Cenomanian |
USA |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1979 |
| details |
Albian |
|
Texas |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |
| details |
Late Albian |
|
Texas |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1981 |
| original |
Albian |
|
Texas |
Srivastava,S.K. Tappanispora loeblichii, n.gen., n.sp., from the Kiamichi Formation (Albian) of Texas. |
1972 |
| details |
Albian |
|
Texas |
Norris,G. Tappanispora loeblichii, Srivastava 1972, synonymy and distribution. |
1973 |
| details |
Late Albian |
|
Texas |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Aptian |
|
Poland |
Waksmundzka,M. Palynological analysis of Lower Cretaceous sediments from Kujawy, (Poland). |
1981 |
| details |
Late Albian |
|
Oklahoma |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1981 |
| details |
Nd |
|
Nd |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Albian |
Cenomanian |
Canada(Alberta) |
Srivastava,S.K. Cretaceous spore-pollen floras |
1978 |