Helosphaeridium |
Helosphaeridium pseudodictyum
|
Argentina |
Ludlovian |
Pridolian |
Hystrichosphaeridium |
Hystrichosphaeridium siluricum
|
Argentina |
Ludlovian |
|
Leiofusa |
Leiofusa algerensis
|
Argentina |
Ludlovian |
|
Leiofusa |
Leiofusa banderillae
|
Argentina |
Late Wenlockian |
Ludlovian |
Leiofusa |
Leiofusa bernesgae
|
Argentina |
Ludlovian |
Pridolian |
Leiofusa |
Leiofusa blanca
|
Argentina |
Ludlovian |
|
Leiofusa |
Leiofusa cantabrica
|
Argentina |
Late Wenlockian |
|
Leiofusa |
Leiofusa elenae
|
Argentina |
Ludlovian |
|
Leiofusa |
Leiofusa estrecha
|
Argentina |
Ludlovian |
|
Leiofusa |
Leiofusa filifera
|
Argentina |
Ludlovian |
Pridolian |
Leiofusa |
Leiofusa fusiformis
|
Argentina |
Ludlovian |
|
Leiofusa |
Leiofusa striata
|
Argentina |
Late Ludlovian |
Pridolian |
Leiofusa |
Leiofusa tumida
|
Argentina |
Ludlovian |
|
Leiosphaeridia |
Leiosphaeridia
|
Argentina |
Nd |
|
Leiotriletes |
Leiotriletes sp
|
Argentina |
Late Ludlovian |
Pridolian |
Lophosphaeridium |
Lophosphaeridium magnum
|
Argentina |
Early Wenlockian |
|
Lophosphaeridium |
Lophosphaeridium parvum
|
Argentina |
Ludlovian |
|