Alasphaera |
Alasphaera caudata
|
W.Germany(Niedersachsen) |
Early Hauterivian |
|
Alasphaera |
Alasphaera caudata
|
England(Yorkshire) |
Early Hauterivian |
|
Alasphaera |
Alasphaera tuberculata
|
W.Germany(Niedersachsen) |
Early Hauterivian |
|
Alasphaera |
Alasphaera tuberculata
|
England(Yorkshire) |
Early Hauterivian |
|
Alasphaera |
Alasphaera verrucosa
|
W.Germany(Niedersachsen) |
Early Hauterivian |
|
Alasphaera |
Alasphaera verrucosa
|
England(Yorkshire) |
Early Hauterivian |
|
Bicarinellum |
Bicarinellum calvum
|
England(Yorkshire) |
Late Hauterivian |
Middle Barremian |
Bonetocardiella |
Bonetocardiella williambensonii
|
W.Germany(Niedersachsen) |
Early Hauterivian |
|
Calcigonellum |
Calcigonellum dolium
|
W.Germany(Niedersachsen) |
Early Hauterivian |
|
Calcigonellum |
Calcigonellum mutterlosei
|
W.Germany(Niedersachsen) |
Hauterivian |
Middle Barremian |
Calcigonellum |
Calcigonellum mutterlosei
|
England(Yorkshire) |
Late Hauterivian |
Early Barremian |
Calcigonellum |
Calcigonellum polymorphum
|
W.Germany(Niedersachsen) |
Late Aptian |
Early Albian |
Calcigonellum |
Calcigonellum polymorphum
|
W.Germany(Niedersachsen) |
Late Aptian |
Early Albian |
Calcigonellum |
Calcigonellum polymorphum
|
W.Germany(Niedersachsen) |
Late Aptian |
Early Albian |
Calcigonellum |
Calcigonellum sulcatum
|
W.Germany(Niedersachsen) |
Early Hauterivian |
|
Calcigonellum |
Calcigonellum sulcatum
|
England(Yorkshire) |
Middle Barremian |
|
Calcisphere |
Calcisphere sp
|
W.Germany(Hesse) |
Oligocene |
|