Impletosphaeridium |
Impletosphaeridium giganteum
|
Spain |
Paleocene |
Eocene |
Impletosphaeridium |
Impletosphaeridium granulatum
|
Australia(Queensland) |
Albian |
|
Impletosphaeridium |
Impletosphaeridium implicatum
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium insolitum
|
Nd |
Nd |
|
Impletosphaeridium |
Impletosphaeridium laxabaculum
|
Pacific(E.China Sea) |
Pleistocene |
|
Impletosphaeridium |
Impletosphaeridium lumectum
|
England(Dorset) |
Middle Callovian |
Late Oxfordian |
Impletosphaeridium |
Impletosphaeridium mediterraneum
|
Italy |
Senonian |
|
Impletosphaeridium |
Impletosphaeridium minus
|
China(Hopei) |
Early Oligocene |
Middle Oligocene |
Impletosphaeridium |
Impletosphaeridium nanus
|
Belgium |
Bartonian |
|
Impletosphaeridium |
Impletosphaeridium oligacanthum
|
Europe |
Danian |
|
Impletosphaeridium |
Impletosphaeridium patagonicum
|
Argentina(Santa Cruz) |
Eocene |
|
Impletosphaeridium |
Impletosphaeridium paucifurcatum
|
Australia(Victoria) |
Paleocene |
|
Impletosphaeridium |
Impletosphaeridium polyozum
|
W.Germany |
Late Oligocene |
|
Impletosphaeridium |
Impletosphaeridium polytrichum
|
France(Vienne) |
Bathonian |
|
Impletosphaeridium |
Impletosphaeridium radiculopse
|
China(Sinkiang Uighur) |
Santonian |
Maastrichtian |
Impletosphaeridium |
Impletosphaeridium selseyense
|
England |
Early Eocene |
Middle Eocene |
Impletosphaeridium |
Impletosphaeridium sphericum
|
Israel |
Late Jurassic |
|