Appendicisporites |
Appendicisporites tricornitatus
|
Hungary |
Aptian |
|
Appendicisporites |
Appendicisporites tricornitatus
|
Belgium |
Early Cretaceous |
|
Appendicisporites |
Appendicisporites tricornitatus
|
Netherlands |
Early Cretaceous |
|
Appendicisporites |
Appendicisporites tricornitatus
|
Maryland |
Early Cretaceous |
|
Aquilapollenites |
Aquilapollenites
|
Gabon |
Late Cretaceous |
|
Aquilapollenites |
Aquilapollenites
|
Canada |
Late Cretaceous |
Eocene |
Aquilapollenites |
Aquilapollenites
|
USA |
Campanian |
Paleocene |
Aquilapollenites |
Aquilapollenites
|
USSR(Siberia) |
Late Cretaceous |
|
Araliaceoipollenites |
Araliaceoipollenites
|
Czechoslovakia |
Late Oligocene |
Middle Miocene |
Aratrisporites |
Aratrisporites
|
Nd |
Nd |
|
Aratrisporites |
Aratrisporites parvispinosus
|
E.Germany |
Early Keuper |
|
Aratrisporites |
Aratrisporites parvispinosus
|
Switzerland |
Keuper |
|
Araucariacites |
Araucariacites
|
Australia |
Late Mesozoic |
|
Arcellites |
Arcellites
|
Nd |
Nd |
|
Arcellites |
Arcellites disciformis
|
Canada(Alberta) |
Early Cretaceous |
|
Arcellites |
Arcellites disciformis
|
Greenland |
Early Cretaceous |
|
Arcellites |
Arcellites disciformis
|
Iowa |
Cenomanian |
|