Nannoceratopsis |
Nannoceratopsis spiculata
|
England |
Middle Toarcian |
Callovian |
Nannoceratopsis |
Nannoceratopsis triceras
|
England |
Toarcian |
Early Bajocian |
Occisucysta |
Occisucysta balios
|
England |
Kimmeridgian |
|
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
England |
Middle Kimmeridgian |
Early Valanginian |
Ovalicysta |
Ovalicysta
|
England |
Toarcian |
Early Bajocian |
Pareodinia |
Pareodinia ceratophora
|
England |
Late Bajocian |
Valanginian |
Pareodinia |
Pareodinia prolongata
|
England |
Middle Bathonian |
Callovian |
Parvocysta |
Parvocysta nasuta
|
England |
Toarcian |
Early Bajocian |
Phoberocysta |
Phoberocysta neocomica
|
England |
Ryazanian |
Valanginian |
Polystephanephorus |
Polystephanephorus sarjeantii
|
England |
Bathonian |
Valanginian |
Pseudoceratium |
Pseudoceratium pelliferum
|
England |
Ryazanian |
Valanginian |
Reutlingia |
Reutlingia gochtii
|
England |
Late Callovian |
|
Rhaetogonyaulax |
Rhaetogonyaulax rhaetica
|
England |
Rhaetian |
Hettangian |
Scriniocassis |
Scriniocassis dictyotus
|
England |
Callovian |
Kimmeridgian |
Scriniocassis |
Scriniocassis weberi
|
England |
Middle Pliensbachian |
Early Bajocian |
Scriniodinium |
Scriniodinium crystallinum
|
England |
Late Callovian |
Oxfordian |
Scriniodinium |
Scriniodinium galeritum
|
England |
Late Callovian |
Early Kimmeridgian |