Palaeosphaerium |
Palaeosphaerium infrequens
|
Nd |
Early Kimmeridgian |
|
Palaeostomocystis |
Palaeostomocystis apiculata
|
Nd |
Santonian |
Campanian |
Palaeostomocystis |
Palaeostomocystis chytra
|
Nd |
Maastrichtian |
Danian |
Palaeostomocystis |
Palaeostomocystis cretacea
|
Nd |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis cylindrica
|
Nd |
Late Jurassic |
Neocomian |
Palaeostomocystis |
Palaeostomocystis decora
|
Nd |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis echinulata
|
Nd |
Nd |
|
Palaeostomocystis |
Palaeostomocystis fragilis
|
Nd |
Aptian |
Cenomanian |
Palaeostomocystis |
Palaeostomocystis laevigata
|
Nd |
Maastrichtian |
Danian |
Palaeostomocystis |
Palaeostomocystis oblonga
|
Nd |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis pulchella
|
Nd |
Maastrichtian |
|
Palaeostomocystis |
Palaeostomocystis punctulosa
|
Nd |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis reticulata
|
Nd |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis sinuosa
|
Nd |
Tithonian |
|
Palaeostomocystis |
Palaeostomocystis sphaerica
|
Nd |
Late Cretaceous |
|
Palaeotetradinium |
Palaeotetradinium hermesinoides
|
Nd |
Late Cretaceous |
|
Palaeotetradinium |
Palaeotetradinium hyalodermum
|
Nd |
Nd |
|