Impagidinium |
Impagidinium sphaericum
|
Belgium |
Bartonian |
|
Impletosphaeridium |
Impletosphaeridium implicatum
|
Belgium |
Priabonian |
Rupelian |
Impletosphaeridium |
Impletosphaeridium implicatum
|
Belgium |
Priabonian |
Rupelian |
Impletosphaeridium |
Impletosphaeridium kroemmelbeinii
|
Belgium |
Lutetian |
Rupelian |
Impletosphaeridium |
Impletosphaeridium labyrinthus
|
Belgium |
Lutetian |
Bartonian |
Impletosphaeridium |
Impletosphaeridium ligospinosum
|
Belgium |
Lutetian |
Priabonian |
Impletosphaeridium |
Impletosphaeridium rugosum
|
Belgium |
Lutetian |
Bartonian |
Impletosphaeridium |
Impletosphaeridium severinii
|
Belgium |
Rupelian |
|
Impletosphaeridium |
Impletosphaeridium sp.1 Manu.,1976
sp. nov. |
Belgium |
Priabonian |
Rupelian |
Impletosphaeridium |
Impletosphaeridium sp.A De C.,1986
sp. nov. |
Belgium |
Lutetian |
Rupelian |
Kallosphaeridium |
Kallosphaeridium biornatum
|
Belgium |
Rupelian |
|
Kallosphaeridium |
Kallosphaeridium capulatum
|
Belgium |
Bartonian |
Rupelian |
Kallosphaeridium |
Kallosphaeridium nigeriense
|
Belgium |
Eocene |
|
Lanternosphaeridium |
Lanternosphaeridium lanosum
|
Belgium |
Bartonian |
|
Lejeunecysta |
Lejeunecysta cinctoria
|
Belgium |
Rupelian |
|
Lejeunecysta |
Lejeunecysta globosa
|
Belgium |
Rupelian |
|
Lejeunecysta |
Lejeunecysta hyalina
|
Belgium |
Priabonian |
Bartonian |