Lejeunia |
Lejeunia cretacea
|
Wyoming |
Campanian |
|
Lejeunia |
Lejeunia magnifica
sp. nov. |
Canada(Saskatchewan) |
Campanian |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
sp. nov. |
Canada(Saskatchewan) |
Campanian |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
sp. nov. |
Canada(Manitoba) |
Campanian |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
sp. nov. |
Canada(Alberta) |
Campanian |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
sp. nov. |
Texas |
Campanian |
|
Membranosphaera |
Membranosphaera maastrichtica
|
Wyoming |
Campanian |
|
Membranosphaera |
Membranosphaera maastrichtica
|
Canada(Saskatchewan) |
Campanian |
|
Membranosphaera |
Membranosphaera maastrichtica
|
Canada(Manitoba) |
Campanian |
|
Micrhystridium |
Micrhystridium alveospinum
|
Canada(Manitoba) |
Campanian |
|
Micrhystridium |
Micrhystridium alveospinum
|
Texas |
Campanian |
|
Micrhystridium |
Micrhystridium harlandii
sp. nov. |
Canada(Saskatchewan) |
Campanian |
|
Micrhystridium |
Micrhystridium harlandii
sp. nov. |
Canada(Alberta) |
Campanian |
|
Micrhystridium |
Micrhystridium harlandii
sp. nov. |
Texas |
Campanian |
|
Micrhystridium |
Micrhystridium harlandii
sp. nov. |
Wyoming |
Campanian |
|
Micrhystridium |
Micrhystridium piliferum
|
Canada(Saskatchewan) |
Campanian |
|
Micrhystridium |
Micrhystridium piliferum
|
Canada(Manitoba) |
Campanian |
|