Clavatipollenites |
Clavatipollenites hughesii
|
USA |
Barremian |
|
Clavatipollenites |
Clavatipollenites hughesii
|
USA |
Aptian |
|
Clavatipollenites |
Clavatipollenites hughesii
|
England |
Barremian |
|
Eucommiidites |
Eucommiidites
|
USA |
Jurassic |
Cretaceous |
Liliacidites |
Liliacidites
|
Nd |
Albian |
Late Cretaceous |
Normapolles |
Normapolles
|
Nd |
Cenomanian |
Late Cretaceous |
Retimonocolpites |
Retimonocolpites reticulatus
|
USA |
Aptian |
Early Albian |
Stellatopollis |
Stellatopollis barghoornii
|
USA |
Middle Albian |
|
Tricolpites |
Tricolpites micromunus
|
USA |
Late Albian |
|