Gen.et sp.indet. |
Gen.et sp.indet. sp.II Iosi.,1996
sp. nov. |
USSR(Ryazin) |
Hauterivian |
|
Gonyaulacysta |
Gonyaulacysta dentata
|
USSR(Ryazin) |
Ryazanian |
|
Gonyaulacysta |
Gonyaulacysta eisenackii
|
USSR(Ryazin) |
Ryazanian |
|
Gonyaulacysta |
Gonyaulacysta fastigiata
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
USSR(Ryazin) |
Ryazanian |
|
Gonyaulacysta |
Gonyaulacysta sp.A Dave.,1979
sp. nov. |
USSR(Ryazin) |
Ryazanian |
|
Gonyaulacysta |
Gonyaulacysta sp
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Heslertonia |
Heslertonia heslertonensis
|
USSR(Ryazin) |
Hauterivian |
|
Heslertonia |
Heslertonia pellucida
|
USSR(Ryazin) |
Ryazanian |
|
Heslertonia |
Heslertonia sp
|
USSR(Ryazin) |
Ryazanian |
|
Heterosphaeridium |
Heterosphaeridium sp
|
USSR(Ryazin) |
Ryazanian |
|
Horologinella |
Horologinella sp
|
USSR(Ryazin) |
Ryazanian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Hystrichodinium |
Hystrichodinium voigtii
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Hystrichostrogylon |
Hystrichostrogylon membraniphorum
|
USSR(Ryazin) |
Hauterivian |
|
Hystrichostrogylon |
Hystrichostrogylon stolidotum
|
USSR(Ryazin) |
Hauterivian |
|
Impagidinium |
Impagidinium ordocaviopse
sp. nov. |
USSR(Ryazin) |
Hauterivian |
|