Stellinium |
Stellinium micropolygonale
|
Oklahoma |
Late Devonian |
Mississippian |
Stephanelytron |
Stephanelytron redcliffense
|
England |
Jurassic |
|
Stephodinium |
Stephodinium coronatum
|
England |
Middle Cretaceous |
|
Stephodinium |
Stephodinium coronatum
|
France |
Early Cretaceous |
|
Subtilidinium |
Subtilidinium minutum
|
Denmark |
Danian |
|
Subtilisphaera |
Subtilisphaera perlucida
|
Nd |
Nd |
|
Subtilisphaera |
Subtilisphaera trendallii
|
Australia |
Cretaceous |
|
Suessia |
Suessia swabiana
|
Austria |
Late Triassic |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
Nd |
Nd |
|
Svalbardella |
Svalbardella cooksoniae
|
Spitsbergen |
Early Tertiary |
|
Sverdrupiella |
Sverdrupiella septentrionalis
|
Canada |
Late Triassic |
|
Sylvanidium |
Sylvanidium paucibrachium
|
Oklahoma |
Late Ordovician |
|
Synsphaeridium |
Synsphaeridium gotlandicum
|
Oklahoma |
Middle Ordovician |
|
Systematophora |
Systematophora placacantha
|
Germany |
Eocene |
|
Tanyosphaeridium |
Tanyosphaeridium xanthiopyxides
|
Alabama |
Paleocene |
|
Tasmanites |
Tasmanites
|
Nd |
Nd |
|
Tasmanites |
Tasmanites sp
|
Oklahoma |
Late Ordovician |
|