Cleistosphaeridium |
Cleistosphaeridium sp.1
sp. nov. |
USSR(Ryazin) |
Ryazanian |
|
Cleistosphaeridium |
Cleistosphaeridium sp
|
USSR(Ryazin) |
Ryazanian |
|
Cometodinium |
Cometodinium whitei
|
USSR(Ryazin) |
Ryazanian |
|
Cribroperidinium |
Cribroperidinium cooksoniae
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Cribroperidinium |
Cribroperidinium spinoreticulatum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Cribroperidinium |
Cribroperidinium volkovae
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Cribroperidinium |
Cribroperidinium sp
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Cyclonephelium |
Cyclonephelium brevispinatum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Cyclonephelium |
Cyclonephelium hexalobosum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Cyclonephelium |
Cyclonephelium intonsum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Cyclonephelium |
Cyclonephelium maugaad
|
USSR(Ryazin) |
Hauterivian |
|
Diacrocanthidium |
Diacrocanthidium sp
|
USSR(Ryazin) |
Ryazanian |
|
Dingodinium |
Dingodinium albertii
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Dinoflagellate |
Dinoflagellate sp
|
USSR(Ryazin) |
Ryazanian |
|
Discorsia |
Discorsia nannus
|
USSR(Ryazin) |
Cretaceous |
|
Disphaeria |
Disphaeria sp
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Ellipsoidictyum |
Ellipsoidictyum imperfectum
|
USSR(Ryazin) |
Hauterivian |
|