Cymatiosphaera |
Cymatiosphaera americana
sp. nov. |
Paraguay |
Eifelian |
Givetian |
Cymatiosphaera |
Cymatiosphaera perimembrana
|
Paraguay |
Eifelian |
Givetian |
Cymatiosphaera |
Cymatiosphaera triangularis
sp. nov. |
Paraguay |
Eifelian |
Givetian |
Estiastra |
Estiastra pentagonalis
sp. nov. |
Paraguay |
Eifelian |
Givetian |
Evittia |
Evittia thyrae
|
Paraguay |
Eifelian |
Givetian |
Forma-a |
Forma-a sp
|
Paraguay |
Eifelian |
Givetian |
Gorgonisphaeridium |
Gorgonisphaeridium minutum
sp. nov. |
Paraguay |
Eifelian |
Givetian |
Leiofusa |
Leiofusa filifera
|
Paraguay |
Eifelian |
Givetian |
Maranhites |
Maranhites sp
|
Paraguay |
Eifelian |
Givetian |
Micrhystridium |
Micrhystridium stellatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium vigintispinum
|
Paraguay |
Eifelian |
Givetian |
Micrhystridium |
Micrhystridium vigintispinum
|
Nd |
Nd |
|
Multiplicisphaeridium |
Multiplicisphaeridium ramispinosum
|
Paraguay |
Eifelian |
Givetian |
Navifusa |
Navifusa eisenackii
|
Paraguay |
Eifelian |
Givetian |
Pterospermopsis |
Pterospermopsis pernambucensis
|
Paraguay |
Eifelian |
Givetian |
Tunisphaeridium |
Tunisphaeridium caudatum
|
Paraguay |
Eifelian |
Givetian |
Veliferites |
Veliferites tenuimarginatus
|
Paraguay |
Eifelian |
Givetian |