| details |
Middle Devonian |
Late Devonian |
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
| details |
Late Permian |
|
India(Bihar) |
Mandal,J. et al. Palaeobotany of Tattitola Bed in Pachwara Coalfield, Santhal Pargana, Bihar, with remarks on the age of the Bed. |
1981 |
| details |
Late Tatarian |
|
India(Bihar) |
Mandal,J. et al. Palaeobotany of Tattitola Bed in Pachwara Coalfield, Santhal Pargana, Bihar, with remarks on the age of the Bed |
1981 |