| details |
Early Eifelian |
|
USSR(Krasnoyarsk Kray) |
Peterson,L.N. et al. First finds of spores in the Middle Devonian deposits of the Nazarov Depression of the Minusinsk Trough. (In: Paleozoic biostratigraphy of Western Siberia. V.N.Dubatolov and A.V.Kanygni, editors) |
1985 |
| details |
Ludlovian |
Gedinnian |
Bolivia |
McGregor,D.C. Late Silurian and Devonian spores from Bolivia |
1984 |
| original |
Early Devonian |
|
China(Kwangsi) |
Kao,L.-D. Early Devonian spores and acritarchs from the Nakaoling Stage of Liujing, Kwangsi. |
1978 |