Ceratiopsis |
Ceratiopsis sibirica
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis speciosa
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis speciosa
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis striata
|
Nd |
Nd |
|
Ceratiopsis |
Ceratiopsis warrenii
|
Belgium |
Early Landenian |
|
Chlamydophorella |
Chlamydophorella albertii
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella huguoniotii
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella ordinalis
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella pyriformis
|
Nd |
Nd |
|
Chlamydophorella |
Chlamydophorella trabeculosa
|
Nd |
Nd |
|
Chytroeisphaeridia |
Chytroeisphaeridia spinosa
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium
|
England(Isle of Wight) |
Early Eocene |
|
Cleistosphaeridium |
Cleistosphaeridium
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium bifide
|
China(Hopei) |
Late Eocene |
Middle Oligocene |
Cleistosphaeridium |
Cleistosphaeridium centrocarpum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium huguoniotii
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium microcystum
|
England(Hampshire) |
Late Eocene |
|