Subtriporopollenites |
Subtriporopollenites subporatus
|
France(Paris Basin) |
Early Sparnacian |
|
Suemegipollis |
Suemegipollis
|
Senegal |
Miocene |
|
Sulcatisporites |
Sulcatisporites
|
Algeria |
Middle Triassic |
|
Sulcatisporites |
Sulcatisporites
|
Libya |
Middle Triassic |
|
Sulcatisporites |
Sulcatisporites
|
Tunisia |
Middle Triassic |
|
Sulcosaccispora |
Sulcosaccispora minuta
|
Nd |
Middle Triassic |
|
Sverdrupiella |
Sverdrupiella usitata
|
Canada(Arctic) |
Carnian |
Norian |
Symplassosphaeridium |
Symplassosphaeridium coalitum
|
Scotland |
Early Cambrian |
|
Symplocoipollenites |
Symplocoipollenites
|
USA(Gulf Coast) |
Cuisian |
Lutetian |
Symplocos |
Symplocos
|
Taiwan |
Late Miocene |
|
Synorisporites |
Synorisporites tripapillatus
|
Africa |
Downtonian |
Siegenian |
Synorisporites |
Synorisporites tripapillatus
|
Canada |
Gedinnian |
|
Synorisporites |
Synorisporites tripapillatus
|
England |
Downtonian |
Gedinnian |
Synorisporites |
Synorisporites tripapillatus
|
Wales |
Downtonian |
Gedinnian |
Synorisporites |
Synorisporites verrucatus
|
Africa |
Ludlovian |
Downtonian |
Synorisporites |
Synorisporites verrucatus
|
Scotland |
Gedinnian |
Siegenian |
Synorisporites |
Synorisporites verrucatus
|
England |
Wenlockian |
Gedinnian |