original |
Pontian |
|
USSR(Ukrainian SSR) |
Negru,A.G. New Pliocene species of Salvinia from the Northwestern Coastal Region of the Black Sea. |
1978 |
original |
Pontian |
|
USSR(Moldavian SSR) |
Negru,A.G. New Pliocene species of Salvinia from the Northwestern Coastal Region of the Black Sea. |
1978 |
details |
Messinian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
details |
Pontian |
|
USSR(Ukrainian SSR) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |