Rotaspora |
Rotaspora ergonulii
|
USSR(European) |
Late Visean |
|
Rotaspora |
Rotaspora ergonulii
|
Australia |
Dinantian |
|
Rotaspora |
Rotaspora fracta
|
United Kingdom |
Brigantian |
|
Rotaspora |
Rotaspora fracta
|
Illinois |
Late Mississippian |
|
Rotaspora |
Rotaspora fracta
|
Kentucky |
Late Mississippian |
|
Rotaspora |
Rotaspora fracta
|
Canada |
Late Visean |
|
Rotaspora |
Rotaspora fracta
|
Romania |
Visean |
|
Rotaspora |
Rotaspora fracta
|
USSR(European) |
Late Visean |
|
Rotaspora |
Rotaspora knoxii
|
Romania |
Visean |
|
Rotaspora |
Rotaspora knoxii
|
USSR(European) |
Late Visean |
|
Rotaspora |
Rotaspora knoxii
|
China(Kansu) |
Visean |
|
Rotaspora |
Rotaspora sp
|
United Kingdom |
Visean |
|
Savitrisporites |
Savitrisporites nux
|
China(Kansu) |
Visean |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
United Kingdom |
Early Namurian |
|
Schopfipollenites |
Schopfipollenites ellipsoides
|
Canada(Nova Scotia) |
Visean |
Namurian |
Schopfites |
Schopfites claviger
|
United Kingdom |
Late Courceyan |
|
Schopfites |
Schopfites claviger
|
Canada(Nova Scotia) |
Middle Tournaisian |
Late Tournaisian |