- Author:
- Batanova,G.P.;Nazarenko,A.M.;Chibrikova,Y.V.;Chepikova,I.K.
- Year:
- 1972
- Title:
- Age of Pre-Middle Devonian sediments of the Volgograd District.
- Reference:
- Batanova,G.P. et al. (1972) Age of Pre-Middle Devonian sediments of the Volgograd District. Doklady Akademii Nauk SSSR Vol. 202 # 4 P. 63- 65
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Polyforama | Polyforama verrucosa | USSR(Vologda) | Early Cambrian | |
| Polyforama | Polyforama verrucosa | USSR(Vologda) | Early Paleozoic | |
| Rugosopsophosphaera | Rugosopsophosphaera | USSR(Vologda) | Silurian | Early Devonian |
| Spumiosa | Spumiosa spumosa | USSR(Vologda) | Early Paleozoic | |
| Trachypsophosphaera | Trachypsophosphaera | USSR(Vologda) | Silurian | Early Devonian |
| Uniporata | Uniporata nidia | USSR(Vologda) | Early Cambrian |