Apiculiretusispora |
Apiculiretusispora sp
|
Northern Hemisphere |
Silurian |
|
Apireticulispora |
Apireticulispora sp
|
Nd |
Nd |
|
Appendiciferi |
Appendiciferi sp
|
Nd |
Nd |
|
Appendicisporites |
Appendicisporites erdtmannii
|
Portugal |
Cenomanian |
Turonian |
Appendicisporites |
Appendicisporites insignis
|
Russia(Magadan) |
Late Turonian |
Campanian |
Appendicisporites |
Appendicisporites tricuspidatus
|
Hungary |
Late Cretaceous |
|
Arcellites |
Arcellites plicatus
|
China(Inner Mongolia) |
Early Cretaceous |
|
Arcellites |
Arcellites yiminensis
|
China(Inner Mongolia) |
Early Cretaceous |
|
Archaeopteris |
Archaeopteris jacksonii
|
Kansas |
Devonian |
|
Archaeotriletes |
Archaeotriletes sp
|
Canada(Quebec) |
Late Devonian |
|
Ariadnaesporites |
Ariadnaesporites lusitanicus
|
Portugal |
Late Cenomanian |
|
Ariadnaesporites |
Ariadnaesporites pilifer
|
Czechoslovakia(Bohemia) |
Late Cretaceous |
|
Ariadnaesporites |
Ariadnaesporites sp. Kedv.& Pard.,1981
sp. nov. |
Portugal |
Late Cenomanian |
|
Ariadnaesporites |
Ariadnaesporites varius
|
Minnesota |
Cenomanian |
|
Arthromeris |
Arthromeris sp
|
Nd |
Nd |
|
Aspidiaceae |
Aspidiaceae sp
|
Nd |
Nd |
|
Aspleniaceae |
Aspleniaceae sp
|
Nd |
Nd |
|