Achomosphaera |
Achomosphaera ramulifera
|
USSR |
Early Eocene |
Middle Eocene |
Apectodinium |
Apectodinium homomorphum
|
USSR |
Paleocene |
|
Apectodinium |
Apectodinium parvum
|
USSR |
Late Paleocene |
|
Ascostomocystis |
Ascostomocystis potane
|
USSR |
Oligocene |
|
Ceratiopsis |
Ceratiopsis diebelii
|
USSR |
Paleocene |
|
Ceratiopsis |
Ceratiopsis leptoderma
|
USSR |
Late Paleocene |
|
Cordosphaeridium |
Cordosphaeridium fibrospinosum
|
USSR |
Paleocene |
|
Cordosphaeridium |
Cordosphaeridium gracile
|
USSR |
Late Eocene |
|
Cordosphaeridium |
Cordosphaeridium inodes
|
USSR |
Early Paleocene |
|
Danea |
Danea mutabilis
|
USSR |
Early Paleocene |
|
Deflandrea |
Deflandrea apiculiformis
|
USSR |
Early Eocene |
Middle Eocene |
Deflandrea |
Deflandrea arcuata
|
USSR |
Early Eocene |
Middle Eocene |
Deflandrea |
Deflandrea carpatica
|
USSR |
Late Paleocene |
|
Deflandrea |
Deflandrea dakotaensis
|
USSR |
Early Eocene |
Middle Eocene |
Deflandrea |
Deflandrea oebisfeldensis
|
USSR |
Late Paleocene |
|
Deflandrea |
Deflandrea oebisfeldensis
|
USSR |
Early Eocene |
Middle Eocene |
Deflandrea |
Deflandrea phosphoritica
|
USSR |
Middle Eocene |
Oligocene |