| details |
Arenigian |
|
China(Szechwan) |
Brocke,R. Evaulation of the Ordovician acritarch genus Ampullula Righi |
1997 |
| original |
Late Arenigian |
|
China(Szechwan) |
Brocke,R. Evaulation of the Ordovician acritarch genus Ampullula Righi |
1997 |
| details |
Late Arenigian |
|
China(Szechwan) |
Uutela,A. et al. The Ordovician acritarch genera Tranvikium and Ampullula: their relationship and taxonomy. |
2000 |
| details |
Late Arenigian |
|
China(Hupei) |
Uutela,A. et al. The Ordovician acritarch genera Tranvikium and Ampullula: their relationship and taxonomy. |
2000 |
| details |
Late Arenigian |
|
China(Szechwan) |
Uutela,A. et al. The Ordovician acritarch genera Tranvikium and Ampullula their relationship and taxonomy. |
2000 |
| details |
Late Arenigian |
|
China(Guizhou) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
|
China(Hupei) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |
| details |
Late Arenigian |
|
China(Szechwan) |
Brocke,R. et al. Upper Arenigian to Lower Llanvirnian acritarch assemblages from South China: a preliminary evaluation. |
2000 |