Exiguisphaera |
Exiguisphaera plectilis
|
North Sea |
Early Aptian |
|
Florentinia |
Florentinia deanei
|
North Sea |
Late Coniacian |
|
Florentinia |
Florentinia mantellii
|
North Sea |
Late Turonian |
|
Fromea |
Fromea amphora
|
North Sea |
Late Cenomanian |
|
Fromea |
Fromea quadrugata
|
North Sea |
Late Barremian |
Early Aptian |
Gochteodinia |
Gochteodinia villosa
|
North Sea |
Early Hauterivian |
|
Gochteodinia |
Gochteodinia villosa
|
North Sea |
Early Valanginian |
|
Gonyaulacysta |
Gonyaulacysta cladophora
|
North Sea |
Early Barremian |
|
Gonyaulacysta |
Gonyaulacysta helicoidea
|
North Sea |
Late Albian |
|
Gonyaulacysta |
Gonyaulacysta kleithria
|
North Sea |
Early Aptian |
|
Heslertonia |
Heslertonia heslertonensis
|
North Sea |
Early Aptian |
|
Heterosphaeridium |
Heterosphaeridium difficile
|
North Sea |
Middle Santonian |
|
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
North Sea |
Late Maestrichtian |
|
Hystrichodinium |
Hystrichodinium furcatum
|
North Sea |
Early Barremian |
|
Hystrichodinium |
Hystrichodinium ramoides
|
North Sea |
Late Barremian |
|
Hystrichosphaeridium |
Hystrichosphaeridium scoriaceum
|
North Sea |
Early Valanginian |
|
Hystrichostrogylon |
Hystrichostrogylon stolidotum
|
North Sea |
Early Aptian |
|