| original |
Late Eocene |
|
India(Assam) |
Baksi,S.K. Palynological investigation of Simsang River Tertiaries, South Shillong Front, Assam. |
1962 |
| details |
Nd |
|
India(Meghalaya) |
Singh,H.P. Palynology in stratigraphy with special reference to the Assam Tertiaries |
1978 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Stancliffe,R.P.W. et al. The acritarch genus Veryhachium Deunff,1954, emend., Sarjeant and Stancliffe,1994: A taxonomic restudy and a reassessment of its constituent species. |
1994 |