Extremipollis |
Extremipollis caminus
|
North America |
Campanian |
Maastrichtian |
Extremipollis |
Extremipollis versatillis
|
North America |
Campanian |
|
Extremipollis |
Extremipollis vivus
|
North America |
Campanian |
Maastrichtian |
Fibulapollis |
Fibulapollis scabratus
|
North America |
Campanian |
Maastrichtian |
Foveotetradites |
Foveotetradites dignatus
|
North America |
Cenomanian |
|
Foveotetradites |
Foveotetradites fistulosus
|
North America |
Albian |
Santonian |
Foveotricolpites |
Foveotricolpites concinnus
|
North America |
Albian |
Cenomanian |
Foveotricolpites |
Foveotricolpites robustus
|
North America |
Cenomanian |
|
Foveotricolporites |
Foveotricolporites callosus
|
North America |
Cenomanian |
|
Fraxinoipollenites |
Fraxinoipollenites constrictus
|
North America |
Aptian |
Campanian |
Fraxinoipollenites |
Fraxinoipollenites variabilis
|
North America |
Albian |
Paleocene |
Fraxinoipollenites |
Fraxinoipollenites venustus
|
North America |
Albian |
Cenomanian |
Gemmatricolpites |
Gemmatricolpites gemmatus
|
North America |
Albian |
Paleocene |
Grewipollenites |
Grewipollenites canadensis
|
North America |
Campanian |
Maastrichtian |
Grewipollenites |
Grewipollenites radiatus
|
North America |
Campanian |
|
Haloragacidites |
Haloragacidites quadratus
|
North America |
Maastrichtian |
Paleocene |
Hammenia |
Hammenia fredericksburgensis
|
North America |
Albian |
Cenomanian |