Protoellipsodinium |
Protoellipsodinium clavulus
|
USSR(Ryazin) |
Cretaceous |
Early Aptian |
Protoellipsodinium |
Protoellipsodinium seghire
|
USSR(Ryazin) |
Ryazanian |
|
Protoellipsodinium |
Protoellipsodinium sp
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Protoellipsodinium |
Protoellipsodinium touile
|
USSR(Ryazin) |
Hauterivian |
Early Aptian |
Pseudoceratium |
Pseudoceratium aulaeum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Pseudoceratium |
Pseudoceratium expolitum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Pseudoceratium |
Pseudoceratium gochtii
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Pseudoceratium |
Pseudoceratium iveri
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Pseudoceratium |
Pseudoceratium nudum
|
USSR(Ryazin) |
Late Barremian |
Early Aptian |
Pseudoceratium |
Pseudoceratium pelliferum
|
USSR(Ryazin) |
Hauterivian |
|
Pterospermella |
Pterospermella sp
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Pterospermopsimorpha |
Pterospermopsimorpha sp
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Rhombodella |
Rhombodella vesca
|
USSR(Ryazin) |
Hauterivian |
|
Rhynchodiniopsis |
Rhynchodiniopsis sp
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Riasanodinium |
Riasanodinium fedorovae
|
USSR(Ryazin) |
Ryazanian |
|
Schizosporis |
Schizosporis sp
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Senoniasphaera |
Senoniasphaera jurassica
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |