Senoniasphaera |
Senoniasphaera inornata
|
Worldwide |
Late Maastrichtian |
Early Paleocene |
Senoniasphaera |
Senoniasphaera jurassica
|
Worldwide |
Kimmeridgian |
Early Portlandian |
Senoniasphaera |
Senoniasphaera microreticulata
|
Worldwide |
Albian |
|
Senoniasphaera |
Senoniasphaera protrusa
|
Worldwide |
Santonian |
Campanian |
Senoniasphaera |
Senoniasphaera rotundata
|
Worldwide |
Turonian |
Early Campanian |
Sirmiodiniopsis |
Sirmiodiniopsis orbis
|
Worldwide |
Late Bajocian |
Early Oxfordian |
Sirmiodinium |
Sirmiodinium grossii
|
Worldwide |
Callovian |
Early Aptian |
Spinidinium |
Spinidinium echinoideum
|
Worldwide |
Coniacian |
Campanian |
Spinidinium |
Spinidinium echinoideum
|
Worldwide |
Late Albian |
Middle Cenomanian |
Spinidinium |
Spinidinium sverdrupianum
|
Worldwide |
Santonian |
Early Campanian |
Spinidinium |
Spinidinium vestitum
|
Worldwide |
Albian |
|
Spinidinium |
Spinidinium vestitum
|
Worldwide |
Late Albian |
Early Cenomanian |
Spinidinium |
Spinidinium vestitum
|
Worldwide |
Middle Albian |
Late Albian |
Spiniferites |
Spiniferites cingulatus
|
Worldwide |
Late Barremian |
Maastrichtian |
Spiniferites |
Spiniferites dentatus
|
Worldwide |
Hauterivian |
Early Barremian |
Spiniferites |
Spiniferites elongatus
|
Worldwide |
Pleistocene |
|
Spiniferites |
Spiniferites monilis
|
Worldwide |
Early Eocene |
Middle Eocene |