Adnatosphaeridium |
Adnatosphaeridium reticulense
|
Nd |
Late Paleocene |
Middle Eocene |
Adnatosphaeridium |
Adnatosphaeridium reticulense
|
Alabama |
Early Eocene |
|
Areoligera |
Areoligera
|
Nd |
Early Paleocene |
Middle Miocene |
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Nd |
Early Eocene |
Early Oligocene |
Areosphaeridium |
Areosphaeridium diktyoplokum
|
Mississippi |
Early Oligocene |
|
Ascostomocystis |
Ascostomocystis hydria
|
Nd |
Late Paleocene |
Early Eocene |
Ascostomocystis |
Ascostomocystis hydria
|
Alabama |
Early Eocene |
|
Ascostomocystis |
Ascostomocystis potane
|
Nd |
Late Eocene |
Late Oligocene |
Ascostomocystis |
Ascostomocystis potane
|
Black Sea |
Early Eocene |
Oligocene |
Baltisphaeridium |
Baltisphaeridium nanum
|
Nd |
Middle Eocene |
Late Eocene |
Baltisphaeridium |
Baltisphaeridium nanum
|
Australia(Victoria) |
Late Eocene |
|
Batiacasphaera |
Batiacasphaera compta
|
Nd |
Middle Eocene |
Late Eocene |
Batiacasphaera |
Batiacasphaera compta
|
Mississippi |
Early Eocene |
|
Chiropteridium |
Chiropteridium aspinatum
|
Nd |
Late Eocene |
Early Miocene |
Chiropteridium |
Chiropteridium aspinatum
|
Mississippi |
Early Eocene |
|
Cordosphaeridium |
Cordosphaeridium cantharellus
|
Nd |
Middle Eocene |
Early Miocene |
Cordosphaeridium |
Cordosphaeridium cantharellus
|
Alabama |
Middle Eocene |
|