Florentinia |
Florentinia laciniata
|
USA(Gulf of Mexico) |
Cenomanian |
|
Florentinia |
Florentinia sp
|
USA(Gulf of Mexico) |
Cenomanian |
|
Fromea |
Fromea amphora
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Fromea |
Fromea amphora
|
USA(Gulf of Mexico) |
Early Cenomanian |
Middle Cenomanian |
Fromea |
Fromea sp
|
USA(Gulf of Mexico) |
Middle Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta helicoidea
|
USA(Gulf of Mexico) |
Late Berriasian |
Cenomanian |
Gonyaulacysta |
Gonyaulacysta kostromiensis
|
USA(Gulf of Mexico) |
Late Berriasian |
Hauterivian |
Halophoridia |
Halophoridia xena
|
USA(Gulf of Mexico) |
Cenomanian |
|
Heslertonia |
Heslertonia heslertonensis
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Heslertonia |
Heslertonia sp
|
USA(Gulf of Mexico) |
Cenomanian |
|
Hystrichodinium |
Hystrichodinium furcatum
|
USA(Gulf of Mexico) |
Late Berriasian |
Hauterivian |
Hystrichodinium |
Hystrichodinium pulchrum
|
USA(Gulf of Mexico) |
Late Berriasian |
Cenomanian |
Hystrichodinium |
Hystrichodinium pulchrum
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Hystrichodinium |
Hystrichodinium voigtii
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Kleithriasphaeridium |
Kleithriasphaeridium corrugatum
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |
Kleithriasphaeridium |
Kleithriasphaeridium eoinodes
|
USA(Gulf of Mexico) |
Hauterivian |
|
Kleithriasphaeridium |
Kleithriasphaeridium fasciatum
|
USA(Gulf of Mexico) |
Late Berriasian |
Valanginian |