Cannosphaeropsis |
Cannosphaeropsis speciosa
|
E.Germany |
Bathonian |
Callovian |
Compositosphaeridium |
Compositosphaeridium
|
Nd |
Nd |
|
Compositosphaeridium |
Compositosphaeridium bulgaricum
|
Nd |
Late Bathonian |
|
Compositosphaeridium |
Compositosphaeridium polonicum
|
Nd |
Callovian |
Kimmeridgian |
Hapsidaulax |
Hapsidaulax margarethae
|
Nd |
Bathonian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Nd |
Late Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium petilum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp.A
sp. nov. |
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina
|
E.Germany |
Late Barremian |
Turonian |
Hystrichosphaerina |
Hystrichosphaerina neuquina
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina orbifera
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina sarjeantii
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina turonica
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina varians
|
Nd |
Nd |
|
Hystrichosphaerina |
Hystrichosphaerina varispinosa
|
W.Germany(Baden) |
Late Jurassic |
|
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Nd |
Nd |
|