Nematosphaeropsis |
Nematosphaeropsis labyrinthus
|
Tunisia |
Middle Oligocene |
Early Miocene |
Impagidinium |
Impagidinium tectum
|
Tunisia |
Middle Oligocene |
|
Selenopemphix |
Selenopemphix armata
|
Tunisia |
Oligocene |
|
Spiniferites |
Spiniferites mirabilis
|
Tunisia |
Early Oligocene |
Early Miocene |
Reticulatosphaera |
Reticulatosphaera actinocoronata
|
Tunisia |
Early Oligocene |
Early Miocene |
Pyxidinopsis |
Pyxidinopsis tuberculata
|
Tunisia |
Early Oligocene |
|
Schematophora |
Schematophora speciosa
|
Tunisia |
Early Oligocene |
Late Oligocene |
Phelodinium |
Phelodinium sp
|
Tunisia |
Early Oligocene |
|
Operculodinium |
Operculodinium divergens
|
Tunisia |
Oligocene |
|
Polysphaeridium |
Polysphaeridium sp
|
Tunisia |
Early Oligocene |
Early Miocene |
Polysphaeridium |
Polysphaeridium zoharyi
|
Tunisia |
Early Oligocene |
Early Miocene |
Selenopemphix |
Selenopemphix brevispinosa
|
Tunisia |
Oligocene |
Early Miocene |
Pentadinium |
Pentadinium laticinctum
|
Tunisia |
Early Oligocene |
Early Miocene |
Pentadinium |
Pentadinium goniferum
|
Tunisia |
Early Oligocene |
Early Miocene |
Operculodinium |
Operculodinium sp
|
Tunisia |
Early Oligocene |
|
Operculodinium |
Operculodinium multispinosum
|
Tunisia |
Early Oligocene |
Early Miocene |
Operculodinium |
Operculodinium microtriainum
|
Tunisia |
Early Oligocene |
|