Lophosphaeridium |
Lophosphaeridium microgranulosum
|
Canada(Ontario) |
Wenlockian |
|
Lophosphaeridium |
Lophosphaeridium parverarum
|
Belgium |
Early Gothlandian |
|
Lophosphaeridium |
Lophosphaeridium parverarum
|
Belgium |
Early Caradocian |
|
Lophosphaeridium |
Lophosphaeridium parverarum
|
Belgium |
Early Gothlandian |
Middle Gothlandian |
Lophosphaeridium |
Lophosphaeridium parvum
|
Belgium |
Early Gothlandian |
|
Lophosphaeridium |
Lophosphaeridium pilosum
|
France |
Emsian |
|
Lophosphaeridium |
Lophosphaeridium pilosum
|
France |
Siegenian |
|
Lophosphaeridium |
Lophosphaeridium pilosum
|
Czechoslovakia |
Arenigian |
|
Lophosphaeridium |
Lophosphaeridium pilosum
|
England |
Wenlockian |
|
Lophosphaeridium |
Lophosphaeridium rugosum
|
Canada(Ontario) |
Wenlockian |
|
Lophosphaeridium |
Lophosphaeridium triangulatum
|
England |
Wenlockian |
|
Lophosphaeridium |
Lophosphaeridium vetulum
|
India |
Cambrian |
|
Lunulidia |
Lunulidia lunula
|
USSR |
Early Ordovician |
|
Marrocanium |
Marrocanium simplex
|
Libya |
Late Arenigian |
|
Marrocanium |
Marrocanium simplex
|
Saudi Arabia |
Late Arenigian |
|
Marrocanium |
Marrocanium simplex
|
Morocco |
Late Arenigian |
Early Llanvirnian |
Multiplicisphaeridium |
Multiplicisphaeridium amphitritae
|
France |
Late Ludlovian |
|