| details |
Nd |
|
Nd |
Potonie,R. Examples of the natural system of spores, a supplement to the synopsis of the Sporae in situ, 1963 and the research reports from 1965,1967, and 1970 and to the phylogenetic sporolog 1973 |
1975 |
| original |
Late Devonian |
|
USSR(Voronezh) |
Nikitin,P.A. Fossil plants of the Petino Horizon of the Devonian of the Voronezh District 1. Kryshtofovichia africani, nov.gen.et sp. |
1934 |
| details |
Cenomanian |
|
Russia(Siberia) |
Krassilov,V.A. et al. A new Heterosporous plant from the Cretaceous of West Siberia. |
1999 |