| details |
Frasnian |
|
USSR(Voronezh) |
Bykov,I.N. et al. On the age of Basalts in the South-East Voronezh Anticline |
1972 |
| details |
Nd |
|
Nd |
Braman,D.R. et al. The spore genus Archaeoperisaccus and its occurrence within the Upper Devonian Imperial Formation, District of MacKenzie, Canada. |
1985 |
| details |
Nd |
|
Nd |
Braman,D.R. et al. The spore genus Archaeoperisaccus and its occurrence within the Upper Devonian Imperial Formation, District of MacKenzie, Canada. |
1985 |
| details |
Late Devonian |
|
USSR |
Andreeva,E.M. et al. Spore and pollen complexes of Middle and Upper Paleozoic of the USSR. |
1960 |
| details |
Namurian |
Westphalian A |
Turkey |
Akyol,E. Palynological studies of the Namurian and Westphalian A veins, cut by the South and East Wing of a Side Gallery -5 a Asma, U Zulmez-Zonguldak. |
1974 |