- Author:
- Medvedeva,A.M.;Chepikova,I.K.
- Year:
- 1961
- Title:
- Protoleiosphaeridium sorediforme Tim. and Pr. conglutinatum Tim. from the petroleum and rocks of the Volga-Ural Region
- Reference:
- Medvedeva,A.M. et al. (1961) Protoleiosphaeridium sorediforme Tim. and Pr. conglutinatum Tim. from the petroleum and rocks of the Volga-Ural Region Doklady Akademii Nauk SSSR Vol. 139 # 1 P. 847- 848
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| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Protoleiosphaeridium | Protoleiosphaeridium conglutinatum | USSR(European) | Late Precambrian | |
| Protoleiosphaeridium | Protoleiosphaeridium conglutinatum | USSR(European) | Early Cambrian | |
| Protoleiosphaeridium | Protoleiosphaeridium sorediforme | USSR(European) | Late Precambrian | |
| Protoleiosphaeridium | Protoleiosphaeridium sorediforme | USSR(European) | Early Cambrian |