Odontochitina |
Odontochitina operculata
|
Texas |
Late Austinian |
Tayloran |
Odontochitina |
Odontochitina operculata
|
Wyoming |
Campanian |
|
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Canada(Saskatchewan) |
Middle Campanian |
Maastrichtian |
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Canada(Alberta) |
Middle Campanian |
|
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Canada(Manitoba) |
Middle Campanian |
Late Campanian |
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Canada(Manitoba) |
Middle Campanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Canada(Saskatchewan) |
Campanian |
Maastrichtian |
Oligosphaeridium |
Oligosphaeridium complex
|
Canada(Alberta) |
Middle Campanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Canada(Manitoba) |
Middle Campanian |
Maastrichtian |
Oligosphaeridium |
Oligosphaeridium complex
|
Texas |
Tayloran |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Wyoming |
Campanian |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Canada(Saskatchewan) |
Middle Campanian |
Maastrichtian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Canada(Alberta) |
Middle Santonian |
Late Santonian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Canada(Manitoba) |
Middle Campanian |
Maastrichtian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Wyoming |
Campanian |
|
Ophiobolus |
Ophiobolus lapidaris
|
Canada(Saskatchewan) |
Middle Santonian |
Maastrichtian |
Ophiobolus |
Ophiobolus lapidaris
|
Canada(Manitoba) |
Middle Campanian |
Late Campanian |