Epelidosphaeridia |
Epelidosphaeridia spinosa
|
USA(Atlantic Coast) |
Vraconian |
Santonian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
USA(Atlantic Coast) |
Vraconian |
Santonian |
Exochosphaeridium |
Exochosphaeridium phragmites
|
USA(Atlantic Coast) |
Late Cenomanian |
Santonian |
Florentinia |
Florentinia cooksoniae
|
USA(Atlantic Coast) |
Santonian |
|
Florentinia |
Florentinia radiculata
|
USA(Atlantic Coast) |
Santonian |
|
Florentinia |
Florentinia resex
|
USA(Atlantic Coast) |
Late Cenomanian |
Early Turonian |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
USA(Atlantic Coast) |
Santonian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
USA(Atlantic Coast) |
Vraconian |
Santonian |
Hystrichosphaeridium |
Hystrichosphaeridium palmatum
|
USA(Atlantic Coast) |
Santonian |
|
Isabelidinium |
Isabelidinium sp
|
USA(Atlantic Coast) |
Late Cenomanian |
Early Turonian |
Kiokansium |
Kiokansium polypes
|
USA(Atlantic Coast) |
Vraconian |
Early Cenomanian |
Kleithriasphaeridium |
Kleithriasphaeridium loffrense
|
USA(Atlantic Coast) |
Vraconian |
Santonian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
USA(Atlantic Coast) |
Vraconian |
Early Turonian |
Odontochitina |
Odontochitina costata
|
USA(Atlantic Coast) |
Vraconian |
Santonian |
Odontochitina |
Odontochitina operculata
|
USA(Atlantic Coast) |
Vraconian |
Santonian |
Odontochitina |
Odontochitina porifera
|
USA(Atlantic Coast) |
Santonian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
USA(Atlantic Coast) |
Late Cenomanian |
Santonian |