Ancyrospora |
Ancyrospora sp
|
England |
Eifelian |
Givetian |
Ancyrospora |
Ancyrospora sp
|
Belgium |
Givetian |
Frasnian |
Ancyrospora |
Ancyrospora sp
|
France |
Givetian |
Frasnian |
Ancyrospora |
Ancyrospora sp
|
Africa |
Givetian |
Frasnian |
Ancyrospora |
Ancyrospora sp
|
Spitsbergen |
Givetian |
|
Ancyrospora |
Ancyrospora sp
|
USSR |
Eifelian |
Strunian |
Ancyrospora |
Ancyrospora sp
|
Australia |
Devonian |
|
Andreaea |
Andreaea
|
Hungary |
Aalenian |
Vesulian |
Anemia |
Anemia
|
Nd |
Neocomian |
|
Anemia |
Anemia
|
India(Assam) |
Miocene |
|
Aneurospora |
Aneurospora
|
Nd |
Givetian |
|
Angustisulcites |
Angustisulcites
|
England |
Late Permian |
Early Triassic |
Anulatisporites |
Anulatisporites annulatus
|
USA |
Kinderhookian |
|
Anulatisporites |
Anulatisporites labiatus
|
USA |
Kinderhookian |
|
Apiculatisporis |
Apiculatisporis
|
Nd |
Emsian |
Famennian |
Apiculatisporites |
Apiculatisporites parvispinosus
|
E.Germany(Suhl) |
Late Rhaetian |
Liassic |
Apiculatisporites |
Apiculatisporites sp
|
Nd |
Early Devonian |
|