Elektoriskos |
Elektoriskos
|
Canada(Nova Scotia) |
Llandoverian |
|
Estiastra |
Estiastra
|
Nd |
Nd |
|
Estiastra |
Estiastra barbata
|
Sweden(Gotland) |
Silurian |
|
Eupoikilofusa |
Eupoikilofusa
|
Nd |
Nd |
|
Eupoikilofusa |
Eupoikilofusa cantabrica
|
Tunisia |
Late Silurian |
|
Eupoikilofusa |
Eupoikilofusa striatifera
|
Nd |
Nd |
|
Eupoikilofusa |
Eupoikilofusa striatifera
|
Sweden(Gotland) |
Silurian |
|
Evittia |
Evittia
|
Nd |
Nd |
|
Exochoderma |
Exochoderma arca
|
Ohio |
Givetian |
|
Filisphaeridium |
Filisphaeridium brevispinosum
|
Nd |
Nd |
|
Fimbriaglomerella |
Fimbriaglomerella
|
Nd |
Nd |
|
Fusilites |
Fusilites
|
Nd |
Nd |
|
Geron |
Geron
|
Canada(Nova Scotia) |
Llandoverian |
|
Goniosphaeridium |
Goniosphaeridium balticum
|
Nd |
Nd |
|
Goniosphaeridium |
Goniosphaeridium spinosum
|
Algeria |
Late Ordovician |
|
Gorgonisphaeridium |
Gorgonisphaeridium succinum
|
Sweden(Gotland) |
Late Wenlockian |
|
Gracilisphaeridium |
Gracilisphaeridium
|
Nd |
Nd |
|