| details |
Devonian |
|
USSR(Yaroslav) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| original |
Carboniferous |
|
USSR(Ukrainian SSR) |
Bagdasaryan,L.L. New Paleozoic sphaeromorphs from the European Region of the USSR. (In: New Genera and Species of Ancient Plants and Invertebrates from the USSR. M.Mesezhnikov, editor) |
1980 |
| details |
Devonian |
Carboniferous |
USSR(Ukrainian SSR) |
Bagdasaryan,L.L. New Paleozoic sphaeromorphs from the European Region of the USSR. (In: New Genera and Species of Ancient Plants and Invertebrates from the USSR. M.Mesezhnikov, editor) |
1980 |