Plicapollis |
Plicapollis sp
|
Montana |
Campanian |
|
Plicapollis |
Plicapollis sp
|
Colorado |
Santonian |
|
Pseudoplicapollis |
Pseudoplicapollis
|
USA(Rocky Mountains) |
Turonian |
Campanian |
Pseudoplicapollis |
Pseudoplicapollis
|
Canada(Alberta) |
Turonian |
Campanian |
Pseudoplicapollis |
Pseudoplicapollis
|
Canada(NWT) |
Turonian |
Campanian |
Pseudoplicapollis |
Pseudoplicapollis sp. Tsch.,1980
sp. nov. |
Wyoming |
Cretaceous |
|
Pseudoplicapollis |
Pseudoplicapollis sp. Tsch.,1980
sp. nov. |
New Mexico |
Campanian |
|
Pseudoplicapollis |
Pseudoplicapollis sp. Tsch.,1980
sp. nov. |
New Mexico |
Santonian |
|
Thomsonipollis |
Thomsonipollis magnificus
|
Colorado |
Maastrichtian |
Eocene |
Thomsonipollis |
Thomsonipollis magnificus
|
New Mexico |
Maastrichtian |
Eocene |
Trudopollis |
Trudopollis
|
USA(Rocky Mountains) |
Santonian |
Maastrichtian |
Trudopollis |
Trudopollis
|
California |
Santonian |
Maastrichtian |
Trudopollis |
Trudopollis
|
Canada(Alberta) |
Santonian |
Maastrichtian |
Trudopollis |
Trudopollis
|
Canada(NWT) |
Santonian |
Maastrichtian |
Trudopollis |
Trudopollis sp
|
New Mexico |
Santonian |
|
Trudopollis |
Trudopollis sp
|
Wyoming |
Campanian |
|
Vacuopollis |
Vacuopollis
|
Wyoming |
Santonian |
Campanian |