Januasporites |
Januasporites spiniferus
|
Utah |
Albian |
|
Muderongia |
Muderongia sp
|
Wyoming |
Early Albian |
|
Muderongia |
Muderongia sp
|
Utah |
Early Albian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Wyoming |
Turonian |
Early Campanian |
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Utah |
Turonian |
Early Campanian |
Proteacidites |
Proteacidites retusus
|
Wyoming |
Coniacian |
Maastrichtian |
Proteacidites |
Proteacidites retusus
|
Utah |
Coniacian |
Maastrichtian |
Pseudoplicapollis |
Pseudoplicapollis newmanii
|
Wyoming |
Early Campanian |
|
Pseudoplicapollis |
Pseudoplicapollis newmanii
|
Utah |
Early Campanian |
|
Spinidinium |
Spinidinium vestitum
|
Wyoming |
Late Albian |
|
Spinidinium |
Spinidinium vestitum
|
Utah |
Late Albian |
|