Pterospermopsimorpha |
Pterospermopsimorpha sp
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Schizosporis |
Schizosporis sp
|
USSR(Ryazin) |
Ryazanian |
Early Aptian |
Phoberocysta |
Phoberocysta neocomica
|
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Protoellipsodinium |
Protoellipsodinium touile
|
USSR(Ryazin) |
Hauterivian |
Early Aptian |
Protoellipsodinium |
Protoellipsodinium seghire
|
USSR(Ryazin) |
Ryazanian |
|
Phoberocysta |
Phoberocysta neocomica
|
USSR(Ryazin) |
Hauterivian |
|
Cassiculosphaeridia |
Cassiculosphaeridia magna
sp. nov. |
USSR(Ryazin) |
Ryazanian |
Hauterivian |
Cassiculosphaeridia |
Cassiculosphaeridia magna
sp. nov. |
USSR(Ryazin) |
Hauterivian |
|
Gochteodinia |
Gochteodinia villosa
|
USSR(Ryazin) |
Ryazanian |
|