Ambitisporites |
Ambitisporites dilutus
|
Wales |
Wenlockian |
Gedinnian |
Ambitisporites |
Ambitisporites dilutus
|
France |
Ludlovian |
|
Ambitisporites |
Ambitisporites dilutus
|
Spain |
Ludlovian |
|
Ambitisporites |
Ambitisporites sp
|
Africa |
Downtonian |
Givetian |
Ambitisporites |
Ambitisporites sp
|
Canada |
Emsian |
|
Ambitisporites |
Ambitisporites sp
|
Scotland |
Gedinnian |
|
Ambitisporites |
Ambitisporites sp
|
England |
Gedinnian |
|
Ambitisporites |
Ambitisporites sp
|
Wales |
Gedinnian |
|
Amocosporites |
Amocosporites miserabilis
|
Spain |
Early Devonian |
|
Amocosporites |
Amocosporites subornator
|
Spain |
Early Devonian |
|
Anacolosidites |
Anacolosidites
|
USSR(Sakhalin Oblast) |
Campanian |
Eocene |
Anacolosidites |
Anacolosidites
|
France(Paris Basin) |
Thanetian |
|
Anacolosidites |
Anacolosidites
|
USA(Gulf Coast) |
Cuisian |
Lutetian |
Anapiculatisporites |
Anapiculatisporites
|
Nd |
Eifelian |
Famennian |
Anapiculatisporites |
Anapiculatisporites isidori
|
Spain |
Early Devonian |
|
Anaplanisporites |
Anaplanisporites protumulosus
|
E.Germany(Suhl) |
Late Buntsandstein |
|
Ancyrospora |
Ancyrospora sp
|
Canada |
Eifelian |
Strunian |