Lithodinia |
Lithodinia jurassica
|
Nd |
Callovian |
|
Litosphaeridium |
Litosphaeridium crassipes
|
Nd |
Coniacian |
Campanian |
Litosphaeridium |
Litosphaeridium flosculus
|
Nd |
Coniacian |
Maastrichtian |
Litosphaeridium |
Litosphaeridium inversibuccinum
|
Nd |
Early Eocene |
|
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Nd |
Albian |
Cenomanian |
Litosphaeridium |
Litosphaeridium striatoconum
|
Nd |
Coniacian |
Campanian |
Litosphaeridium |
Litosphaeridium truncigerum
|
Nd |
Late Valanginian |
Early Campanian |
Meiourogonyaulax |
Meiourogonyaulax bulloidea
|
Nd |
Tithonian |
|
Meiourogonyaulax |
Meiourogonyaulax caytonensis
|
Nd |
Late Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax cristulata
|
Nd |
Late Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax deflandrei
|
Nd |
Late Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax rioultii
|
Nd |
Early Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax valensii
|
Nd |
Bathonian |
|
Membranilarnacia |
Membranilarnacia leptoderma
|
Nd |
Albian |
|
Membranilarnacia |
Membranilarnacia liradiscoides
|
Nd |
Coniacian |
Maastrichtian |
Membranilarnacia |
Membranilarnacia polycladiata
|
Nd |
Albian |
|
Membranilarnacia |
Membranilarnacia pterococcoides
|
Nd |
Coniacian |
Maastrichtian |