Mendicodinium |
Mendicodinium sp.B Bren.,1988
sp. nov. |
USSR(Ryazin) |
Hauterivian |
|
Microdinium |
Microdinium densigranulatum
|
USSR(Ryazin) |
Hauterivian |
|
Muderongia |
Muderongia brevispinosa
sp. nov. |
USSR(Ryazin) |
Ryazanian |
|
Muderongia |
Muderongia microperforata
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Muderongia |
Muderongia neocomica
|
USSR(Ryazin) |
Hauterivian |
|
Muderongia |
Muderongia simplex
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Muderongia |
Muderongia tabulata
|
USSR(Ryazin) |
Ryazanian |
|
Muderongia |
Muderongia tetracantha
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Muderongia |
Muderongia sp.A Dave.,1979
sp. nov. |
USSR(Ryazin) |
Ryazanian |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
USSR(Ryazin) |
Hauterivian |
|
Neodiacrodium |
Neodiacrodium breviprocessatum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Neodiacrodium |
Neodiacrodium corniculatum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Neodiacrodium |
Neodiacrodium timofeevii
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Odontochitina |
Odontochitina operculata
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Oligosphaeridium |
Oligosphaeridium diluculum
|
USSR(Ryazin) |
Ryazanian |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Ovoidinium |
Ovoidinium implanum
|
USSR(Ryazin) |
Hauterivian |
|