| original |
Jurassic |
|
India(Bihar) |
Rao,A.R. Jurassic spores and Sporangia from the Rajmahal Hills, Bihar. |
1943 |
| original |
Permian |
|
India(Bihar) |
Srivastava,P.N. On some Lower Gonawana megaspores and seeds from Mangardaha Coal, West Bokaro, Bihar. |
1954 |
| original |
Sparnacian |
|
Hungary |
Kedves,M. Palynologic investigations from the Dorog Basin. II. |
1961 |
| original |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
| original |
Cretaceous |
Campanian |
Wyoming |
Guennel,G.K. et al. Palynology of the Hoback Basin |
1973 |