Dinogymnium |
Dinogymnium euclaense
|
Canada(Alberta) |
Middle Campanian |
|
Dinogymnium |
Dinogymnium euclaense
|
Canada(Manitoba) |
Middle Campanian |
Late Campanian |
Dinogymnium |
Dinogymnium euclaense
|
Texas |
Late Austinian |
Tayloran |
Dinogymnium |
Dinogymnium euclaense
|
Wyoming |
Campanian |
|
Dinogymnium |
Dinogymnium longicorne
|
Canada(Saskatchewan) |
Middle Santonian |
Middle Campanian |
Dinogymnium |
Dinogymnium sphaerocephalum
|
Canada(Saskatchewan) |
Middle Campanian |
|
Dinogymnium |
Dinogymnium sphaerocephalum
|
Canada(Alberta) |
Late Campanian |
|
Dinogymnium |
Dinogymnium sphaerocephalum
|
Canada(Manitoba) |
Middle Campanian |
Late Campanian |
Dinogymnium |
Dinogymnium sphaerocephalum
|
Texas |
Tayloran |
|
Exochosphaeridium |
Exochosphaeridium phragmites
|
Canada(Saskatchewan) |
Middle Santonian |
Campanian |
Exochosphaeridium |
Exochosphaeridium phragmites
|
Canada(Manitoba) |
Middle Campanian |
|
Exochosphaeridium |
Exochosphaeridium phragmites
|
Texas |
Tayloran |
|
Exochosphaeridium |
Exochosphaeridium phragmites
|
Wyoming |
Campanian |
|
Exochosphaeridium |
Exochosphaeridium truncatum
|
Nd |
Nd |
|
Exochosphaeridium |
Exochosphaeridium truncigerum
|
Nd |
Nd |
|
Fibrocysta |
Fibrocysta prolixa
sp. nov. |
Canada(Saskatchewan) |
Middle Campanian |
|
Florentinia |
Florentinia radiculata
|
Texas |
Late Austinian |
Early Tayloran |