Senipites |
Senipites drumhellerensis
|
Canada(Yukon) |
Early Maastrichtian |
|
Siberiapollis |
Siberiapollis asper
|
Canada(Yukon) |
Early Maastrichtian |
|
Siberiapollis |
Siberiapollis montanensis
|
Canada(Yukon) |
Early Maastrichtian |
|
Siberiapollis |
Siberiapollis montanensis
|
Montana |
Late Campanian |
Early Maastrichtian |
Siberiapollis |
Siberiapollis montanensis
|
Montana |
Late Campanian |
Early Maastrichtian |
Siberiapollis |
Siberiapollis sp
|
Canada(Yukon) |
Early Maastrichtian |
|
Singularia |
Singularia aculeata
|
Canada(Yukon) |
Early Maastrichtian |
|
Stelckia |
Stelckia vera
|
Canada(Yukon) |
Middle Campanian |
Late Campanian |
Stellatopollis |
Stellatopollis
|
Canada(Alberta) |
Middle Cenomanian |
|
Stellatopollis |
Stellatopollis largissimus
|
Canada(Alberta) |
Middle Cenomanian |
|
Striatellipollis |
Striatellipollis radiata
|
Canada(NWT) |
Late Maastrichtian |
|
Striatellipollis |
Striatellipollis radiata
|
Canada(Yukon) |
Late Maastrichtian |
|
Striatellipollis |
Striatellipollis striatellus
|
Canada(NWT) |
Late Maastrichtian |
|
Striatellipollis |
Striatellipollis striatellus
|
Canada(Saskatchewan) |
Late Maastrichtian |
|
Striatopollis |
Striatopollis tectatus
|
Canada(Saskatchewan) |
Late Maastrichtian |
|
Striatopollis |
Striatopollis tectatus
|
Canada(Saskatchewan) |
Late Maastrichtian |
|
Striatopollis |
Striatopollis tectatus
|
Wyoming |
Late Maastrichtian |
|