Orygmatosphaeridium |
Orygmatosphaeridium ruminatum
|
Nd |
Early Ordovician |
|
Orygmatosphaeridium |
Orygmatosphaeridium semireticulatum
|
Nd |
Middle Precambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium trizonatum
|
Congo |
Late Precambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium vulgarum
|
Nd |
Late Precambrian |
|
Oshania |
Oshania
|
Nd |
Nd |
|
Oshania |
Oshania horrida
|
Nd |
Late Precambrian |
|
Oshania |
Oshania inornata
|
Nd |
Late Precambrian |
|
Oudhkusumites |
Oudhkusumites
|
Nd |
Nd |
|
Oudhkusumites |
Oudhkusumites ankleshvarensis
|
Nd |
Eocene |
Miocene |
Oudhkusumites |
Oudhkusumites foveolatus
|
Nd |
Eocene |
Miocene |
Oudhkusumites |
Oudhkusumites immodiscus
|
Nd |
Paleocene |
|
Ova |
Ova
|
Nd |
Nd |
|
Ovidiscina |
Ovidiscina
|
Nd |
Nd |
|
Ovidiscina |
Ovidiscina pakungshannica
|
Nd |
Nd |
|
Ovnia |
Ovnia
|
Nd |
Nd |
|
Ovnia |
Ovnia desertica
|
Nd |
Gedinnian |
|
Ovnia |
Ovnia uahabita
|
Nd |
Gedinnian |
|