Batioladinium |
Batioladinium radiculatum
|
United Kingdom |
Ryazanian |
|
Dichadogonyaulax |
Dichadogonyaulax culmula
|
United Kingdom |
Ryazanian |
|
Tubotuberella |
Tubotuberella apatela
|
United Kingdom |
Ryazanian |
Early Valanginian |
Cassiculosphaeridia |
Cassiculosphaeridia magna
|
United Kingdom |
Ryazanian |
|
Phoberocysta |
Phoberocysta tabulata
|
United Kingdom |
Late Ryazanian |
Early Hauterivian |
Systematophora |
Systematophora palmula
|
United Kingdom |
Late Ryazanian |
Early Valanginian |
Oligosphaeridium |
Oligosphaeridium complex
|
United Kingdom |
Valanginian |
|
Spiniferites |
Spiniferites ramosus
|
United Kingdom |
Valanginian |
|
Spiniferites |
Spiniferites ramosus
|
United Kingdom |
Early Valanginian |
|
Kleithriasphaeridium |
Kleithriasphaeridium simplicispinum
|
United Kingdom |
Valanginian |
|
Batioladinium |
Batioladinium varigranosum
|
United Kingdom |
Valanginian |
Early Hauterivian |
Discorsia |
Discorsia nannus
|
United Kingdom |
Valanginian |
Early Albian |
Nelchinopsis |
Nelchinopsis kostromiensis
|
United Kingdom |
Valanginian |
Hauterivian |
Muderongia |
Muderongia extensiva
|
United Kingdom |
Valanginian |
Early Hauterivian |
Isthmocystis |
Isthmocystis distincta
|
United Kingdom |
Ryazanian |
Early Hauterivian |
Exiguisphaera |
Exiguisphaera phragma
|
United Kingdom |
Valanginian |
Early Hauterivian |
Hystrichodinium |
Hystrichodinium furcatum
|
United Kingdom |
Hauterivian |
Early Barremian |