Scriniodinium |
Scriniodinium campanula
|
England(Surrey) |
Albian |
Turonian |
Xiphophoridium |
Xiphophoridium alatum
|
England(Surrey) |
Cenomanian |
|
Psaligonyaulax |
Psaligonyaulax deflandrei
|
England(Surrey) |
Cenomanian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
England(Surrey) |
Cenomanian |
|
Hexagonifera |
Hexagonifera chlamydata
|
England(Surrey) |
Cenomanian |
|
Odontochitina |
Odontochitina operculata
|
England(Surrey) |
Cenomanian |
|
Odontochitina |
Odontochitina costata
|
England(Surrey) |
Cenomanian |
|
Odontochitina |
Odontochitina blastema
sp. nov. |
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium minutispinum
|
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium piliferum
|
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium inconspicuum
|
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium singulare
|
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium alveospinum
sp. nov. |
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium bifidum
sp. nov. |
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium rigidum
sp. nov. |
England(Surrey) |
Cenomanian |
|
Veryhachium |
Veryhachium reductum
|
England(Surrey) |
Cenomanian |
|
Veryhachium |
Veryhachium reductum
|
England(Surrey) |
Late Cenomanian |
|