Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Canada(Newfoundland) |
Santonian |
Campanian |
Porcellispora |
Porcellispora longdonensis
|
Canada(Newfoundland) |
Carnian |
Norian |
Rhombodinium |
Rhombodinium condylos
|
Canada(Newfoundland) |
Early Eocene |
Middle Eocene |
Rhombodinium |
Rhombodinium condylos
|
Canada(Newfoundland) |
Early Eocene |
Middle Eocene |
Systematophora |
Systematophora ancyrea
|
Canada(Newfoundland) |
Early Miocene |
|
Tubidermodinium |
Tubidermodinium sulcatum
|
Canada(Newfoundland) |
Early Oligocene |
|
Wetzeliella |
Wetzeliella homomorpha
|
Canada(Newfoundland) |
Early Eocene |
|
Wetzeliella |
Wetzeliella ovalis
|
Canada(Newfoundland) |
Early Eocene |
Middle Eocene |
Xenascus |
Xenascus ceratioides
|
Canada(Newfoundland) |
Santonian |
Campanian |