Prolixosphaeridium |
Prolixosphaeridium basifurcatum
|
Nd |
Tithonian |
|
Prolixosphaeridium |
Prolixosphaeridium conulum
|
Nd |
Cenomanian |
|
Prolixosphaeridium |
Prolixosphaeridium deirense
|
Nd |
Middle Barremian |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
Nd |
Senonian |
|
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Nd |
Early Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
Nd |
Late Aptian |
|
Prolixosphaeridium |
Prolixosphaeridium toryna
|
Nd |
Tithonian |
Neocomian |
Prolixosphaeridium |
Prolixosphaeridium xanthiopyxides
|
Nd |
Senonian |
|
Protoellipsodinium |
Protoellipsodinium spinocristatum
|
Nd |
Albian |
|
Protoellipsodinium |
Protoellipsodinium spinosum
|
Nd |
Albian |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
Nd |
Oxfordian |
Tithonian |
Psaligonyaulax |
Psaligonyaulax deflandrei
|
Nd |
Cenomanian |
|
Psaligonyaulax |
Psaligonyaulax simplicia
|
Nd |
Eocene |
|
Pseudoceratium |
Pseudoceratium ceratioides
|
Nd |
Nd |
|
Pseudoceratium |
Pseudoceratium dettmanniae
|
Nd |
Late Albian |
Early Cenomanian |
Pseudoceratium |
Pseudoceratium expolitum
|
Nd |
Middle Albian |
Late Albian |
Pseudoceratium |
Pseudoceratium gochtii
|
Nd |
Nd |
|