Palaeoperidinium |
Palaeoperidinium pyrophorum
|
USA(Gulf of Mexico) |
Early Cenomanian |
Middle Cenomanian |
Pareodinia |
Pareodinia ceratophora
|
USA(Gulf of Mexico) |
Late Berriasian |
Aptian |
Phoberocysta |
Phoberocysta neocomica
|
USA(Gulf of Mexico) |
Late Berriasian |
Aptian |
Phoberocysta |
Phoberocysta tabulata
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Polysphaeridium |
Polysphaeridium pumilum
|
USA(Gulf of Mexico) |
Middle Cenomanian |
|
Polysphaeridium |
Polysphaeridium sp.A
sp. nov. |
USA(Gulf of Mexico) |
Late Berriasian |
Hauterivian |
Polysphaeridium |
Polysphaeridium warrenii
|
USA(Gulf of Mexico) |
Late Berriasian |
Aptian |
Prismatocystis |
Prismatocystis cylindrica
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
USA(Gulf of Mexico) |
Aptian |
|
Pseudoceratium |
Pseudoceratium pelliferum
|
USA(Gulf of Mexico) |
Late Berriasian |
Hauterivian |
Pterodinium |
Pterodinium aliferum
|
USA(Gulf of Mexico) |
Aptian |
Early Cenomanian |
Pterospermella |
Pterospermella aureolata
|
USA(Gulf of Mexico) |
Late Berriasian |
Middle Cenomanian |
Pterospermella |
Pterospermella australiensis
|
USA(Gulf of Mexico) |
Late Berriasian |
Early Cenomanian |
Pterospermella |
Pterospermella eurypteris
|
USA(Gulf of Mexico) |
Early Cenomanian |
Middle Cenomanian |
Pterospermella |
Pterospermella sp
|
USA(Gulf of Mexico) |
Late Berriasian |
Aptian |
Pterospermella |
Pterospermella sp.A
sp. nov. |
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Scriniodinium |
Scriniodinium campanula
|
USA(Gulf of Mexico) |
Late Berriasian |
Hauterivian |