Aequitriradites |
Aequitriradites
|
Nd |
Nd |
|
Aequitriradites |
Aequitriradites spinulosus
|
Australia |
Aptian |
|
Anemia |
Anemia
|
Nd |
Nd |
|
Anemia |
Anemia flexuosa
|
Brazil |
Recent |
|
Anemia |
Anemia mexicana
|
Nd |
Nd |
|
Anemia |
Anemia oblongifolia
|
Nd |
Nd |
|
Anemia |
Anemia phyllitidites
|
India |
Recent |
|
Anemia |
Anemia raddiana
|
Nd |
Nd |
|
Anemirhiza |
Anemirhiza
|
Nd |
Nd |
|
Appendicisporites |
Appendicisporites
|
Nd |
Nd |
|
Appendicisporites |
Appendicisporites potomacensis
|
Australia |
Cenomanian |
|
Aratrisporites |
Aratrisporites
|
Australia |
Middle Triassic |
|
Arcellites |
Arcellites
|
Nd |
Nd |
|
Arcellites |
Arcellites reticulatus
|
Australia |
Albian |
|
Archaeoperisaccus |
Archaeoperisaccus scabratus
|
Canada |
Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus timanicus
|
Canada |
Frasnian |
|
Asbeckiasporites |
Asbeckiasporites wirthii
|
Canada |
Albian |
|