Isthmocystis |
Isthmocystis distincta
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Kalyptea |
Kalyptea diceras
|
USSR(Ryazin) |
Ryazanian |
|
Kiokansium |
Kiokansium prolatum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
USSR(Ryazin) |
Ryazanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium eoinodes
|
USSR(Ryazin) |
Ryazanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium fasciatum
|
USSR(Ryazin) |
Ryazanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium porosispinum
|
USSR(Ryazin) |
Ryazanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium sp
|
USSR(Ryazin) |
Ryazanian |
|
Leptodinium |
Leptodinium hadrum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Lithodinia |
Lithodinia arcanitabulata
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Lithodinia |
Lithodinia diaphana
|
USSR(Ryazin) |
Cretaceous |
|
Lithodinia |
Lithodinia perforata
sp. nov. |
USSR(Ryazin) |
Hauterivian |
|
Lithodinia |
Lithodinia pertusa
|
USSR(Ryazin) |
Hauterivian |
Hauterivian |
Lithodinia |
Lithodinia stoveri
|
USSR(Ryazin) |
Hauterivian |
|
Lithodinia |
Lithodinia sp
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Mendicodinium |
Mendicodinium groenlandicum
|
USSR(Ryazin) |
Ryazanian |
|
Mendicodinium |
Mendicodinium sp.A Bren.,1988
sp. nov. |
USSR(Ryazin) |
Ryazanian |
|