Foerstia |
Foerstia ohioensis
|
USA |
Devonian |
|
Foozia |
Foozia minuta
|
Belgium |
Devonian |
|
Foveosporites |
Foveosporites
|
Nd |
Nd |
|
Foveosporites |
Foveosporites canalis
|
Australia |
Late Carboniferous |
|
Frenelopsis |
Frenelopsis alata
|
Czechoslovakia(Bohemia) |
Cretaceous |
|
Frenelopsis |
Frenelopsis oligostomata
|
Portugal |
Cretaceous |
|
Fucoides |
Fucoides hypnoides
|
Germany |
Permian |
|
Furcula |
Furcula
|
Nd |
Nd |
|
Gemellitheca |
Gemellitheca saudica
|
Saudi Arabia |
Permian |
|
Geminitheca |
Geminitheca scotica
|
Scotland |
Carboniferous |
|
Geminospora |
Geminospora
|
Nd |
Nd |
|
Geminospora |
Geminospora lemurata
|
Australia |
Late Devonian |
|
Geminospora |
Geminospora micromanifestus
|
Nd |
Nd |
|
Geperapteris |
Geperapteris imitans
|
USSR(Siberia) |
Permian |
|
Gigantonomia |
Gigantonomia fukiensis
|
Nd |
Nd |
|
Gigantosporites |
Gigantosporites
|
Nd |
Nd |
|
Gigantosporites |
Gigantosporites hallstattensis
|
Nd |
Nd |
|