Nexosispinum |
Nexosispinum hesperus
|
USA(Gulf of Mexico) |
Aptian |
Middle Cenomanian |
Occisucysta |
Occisucysta tentorium
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Odontochitina |
Odontochitina costata
|
USA(Gulf of Mexico) |
Early Cenomanian |
Middle Cenomanian |
Odontochitina |
Odontochitina costata
|
USA(Gulf of Mexico) |
Early Cenomanian |
Middle Cenomanian |
Odontochitina |
Odontochitina operculata
|
USA(Gulf of Mexico) |
Aptian |
Cenomanian |
Oligosphaeridium |
Oligosphaeridium abaculum
|
USA(Gulf of Mexico) |
Middle Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium albertense
|
USA(Gulf of Mexico) |
Early Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
USA(Gulf of Mexico) |
Late Berriasian |
Cenomanian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
USA(Gulf of Mexico) |
Late Berriasian |
Cenomanian |
Oligosphaeridium |
Oligosphaeridium sp.A
sp. nov. |
USA(Gulf of Mexico) |
Late Berriasian |
Cenomanian |
Oligosphaeridium |
Oligosphaeridium totum
|
USA(Gulf of Mexico) |
Early Cenomanian |
|
Omatia |
Omatia sp
|
USA(Gulf of Mexico) |
Aptian |
|
Ophiobolus |
Ophiobolus sp
|
USA(Gulf of Mexico) |
Hauterivian |
|
Ovoidinium |
Ovoidinium diversum
|
USA(Gulf of Mexico) |
Aptian |
Cenomanian |
Ovoidinium |
Ovoidinium implanum
|
USA(Gulf of Mexico) |
Middle Cenomanian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
USA(Gulf of Mexico) |
Middle Cenomanian |
|
Palaeoperidinium |
Palaeoperidinium cretaceum
|
USA(Gulf of Mexico) |
Aptian |
|