Pterospermella |
Pterospermella aureolata
|
Denmark |
Early Portlandian |
Valanginian |
Pterospermella |
Pterospermella sp
|
Denmark |
Early Ryazanian |
Middle Ryazanian |
Pterospermella |
Pterospermella sp
|
Denmark |
Late Ryazanian |
Hauterivian |
Scriniodinium |
Scriniodinium campanula
|
Denmark |
Early Valanginian |
Hauterivian |
Scriniodinium |
Scriniodinium dictyotum
|
Denmark |
Ryazanian |
Hauterivian |
Scriniodinium |
Scriniodinium dictyotum
|
Australia(W.Australia) |
Oxfordian |
Tithonian |
Scriniodinium |
Scriniodinium pharo
|
Denmark |
Early Portlandian |
Early Valanginian |
Scriniodinium |
Scriniodinium pharo
|
England(Yorkshire) |
Late Berriasian |
Early Valanginian |
Sirmiodinium |
Sirmiodinium grossii
|
Denmark |
Early Portlandian |
Hauterivian |
Spiniferites |
Spiniferites ramosus
|
Denmark |
Late Valanginian |
Hauterivian |
Spiniferites |
Spiniferites ramosus
|
Denmark |
Hauterivian |
|
Stiphrosphaeridium |
Stiphrosphaeridium
|
New Guinea(Papua) |
Late Jurassic |
|
Stiphrosphaeridium |
Stiphrosphaeridium arbustum
sp. nov. |
Denmark |
Late Ryazanian |
|
Stiphrosphaeridium |
Stiphrosphaeridium dictyophorum
|
Denmark |
Middle Ryazanian |
|
Stiphrosphaeridium |
Stiphrosphaeridium dictyophorum
|
New Guinea(Papua) |
Late Jurassic |
|
Surculosphaeridium |
Surculosphaeridium sp
|
Denmark |
Middle Valanginian |
Late Valanginian |
Surculosphaeridium |
Surculosphaeridium sp.I Dave.,1982
sp. nov. |
Denmark |
Early Valanginian |
|