| original |
Late Rhaetian |
Early Liassic |
Greenland |
Harris,T.M. The fossil flora of Scoresby Sound, east Greenland. Part 4. Ginkgoales, Coniferales, Lycopodiales and isolated fructifications. |
1935 |
| details |
Rhaetian |
Early Liassic |
Greenland |
Harris,T.M. The fossil flora of Scoresby Sound, east Greenland. Part 5. Stratigraphic relations of the plant beds. |
1937 |
| details |
Early Gondwana |
|
India(Bihar) |
Surange,K.R. et al. Megaspores from the West Bokaro Coalfield. |
1953 |
| details |
Rhaetian |
Liassic |
Greenland |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Early Artinskian |
Tatarian |
India(Bihar) |
Bharadwaj,D.C. et al. Lower Gondwana megaspores-A monograph |
1970 |
| details |
Permian |
|
India(Bihar) |
Lakhanpal,R.N. et al. A catalogue of Indian fossil plants |
1976 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Rhaetian |
|
Greenland |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Tewari,R. et al. Megaspores from Early Permian of India. |
1992 |