Polysphaeridium |
Polysphaeridium paulinae
|
Nd |
Nd |
|
Polysphaeridium |
Polysphaeridium pumilum
|
Nd |
Nd |
|
Polysphaeridium |
Polysphaeridium punctatum
|
Nd |
Nd |
|
Polysphaeridium |
Polysphaeridium rhabdophorum
|
Nd |
Nd |
|
Polysphaeridium |
Polysphaeridium simplex
|
Nd |
Nd |
|
Polysphaeridium |
Polysphaeridium subtile
|
Nd |
Nd |
|
Polysphaeridium |
Polysphaeridium warrenii
|
Nd |
Nd |
|
Polystephanephorus |
Polystephanephorus calathus
|
Nd |
Nd |
|
Polystephanephorus |
Polystephanephorus euryanthus
|
Nd |
Nd |
|
Polystephanephorus |
Polystephanephorus paracalathus
|
Nd |
Nd |
|
Polystephanephorus |
Polystephanephorus sarjeantii
|
France |
Early Kimmeridgian |
|
Polystephanephorus |
Polystephanephorus sarrisii
|
Argentina(Santa Cruz) |
Eocene |
|
Pontiadinium |
Pontiadinium
|
Romania |
Pontian |
|
Pontiadinium |
Pontiadinium inequicornutum
sp. nov. |
Romania |
Pontian |
|
Prionodinium |
Prionodinium alaskense
|
Nd |
Nd |
|
Prionodinium |
Prionodinium alveolatum
|
Nd |
Nd |
|
Prolixosphaeridium |
Prolixosphaeridium basifurcatum
|
Nd |
Nd |
|