Spinidinium |
Spinidinium ornatum
|
New Jersey |
Campanian |
Early Maastrichtian |
Spiniferites |
Spiniferites aracajuensis
|
Brazil |
Paleocene |
Early Eocene |
Spiniferites |
Spiniferites cingulatus
|
Nd |
Nd |
|
Spiniferites |
Spiniferites cingulatus
|
Nd |
Nd |
|
Spiniferites |
Spiniferites cingulatus
|
Nd |
Nd |
|
Spiniferites |
Spiniferites cingulatus
|
Nd |
Nd |
|
Spiniferites |
Spiniferites maranhensis
|
Brazil |
Middle Albian |
Cenomanian |
Surculosphaeridium |
Surculosphaeridium alagoense
|
Brazil |
Middle Eocene |
Miocene |
Surculosphaeridium |
Surculosphaeridium phoenix
|
England(Yorkshire) |
Middle Barremian |
Late Barremian |
Systematophora |
Systematophora ancyrea
|
Nd |
Nd |
|
Systematophora |
Systematophora varians
|
New Jersey |
Campanian |
|
Tectatodinium |
Tectatodinium nudum
|
Nd |
Nd |
|
Tectatodinium |
Tectatodinium pannonium
|
Nd |
Pannonian |
|
Tenua |
Tenua bellula
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Tenua |
Tenua bifidis
|
China(Hopei) |
Late Eocene |
Middle Oligocene |
Tenua |
Tenua biornata
|
Nd |
Nd |
|
Tenua |
Tenua biornata
|
Nd |
Nd |
|