Hystrichokolpoma |
Hystrichokolpoma sp
|
Argentina(Buenos Aires) |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Surculosphaeridium |
Surculosphaeridium sp
|
Argentina(Buenos Aires) |
Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium patagonicum
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Cleistosphaeridium |
Cleistosphaeridium sp.A
sp. nov. |
Argentina(Buenos Aires) |
Eocene |
Miocene |
Cleistosphaeridium |
Cleistosphaeridium sp.B
sp. nov. |
Argentina(Buenos Aires) |
Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium sp
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Kallosphaeridium |
Kallosphaeridium sp
|
Argentina(Buenos Aires) |
Eocene |
|
Polysphaeridium |
Polysphaeridium sp
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Escharisphaeridia |
Escharisphaeridia dictydia
|
Argentina(Buenos Aires) |
Miocene |
|
Batiacasphaera |
Batiacasphaera sp
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Pentadinium |
Pentadinium taeniagerum
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Baltisphaeridium |
Baltisphaeridium sp
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Micrhystridium |
Micrhystridium sp
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Comasphaeridium |
Comasphaeridium sp
|
Argentina(Buenos Aires) |
Eocene |
Oligocene |
Pterosphaeridia |
Pterosphaeridia sp
|
Argentina(Buenos Aires) |
Eocene |
Miocene |
Cymatiosphaera |
Cymatiosphaera sp
|
Argentina(Buenos Aires) |
Eocene |
|