Palaeostomocystis |
Palaeostomocystis oblonga
|
Nd |
Nd |
|
Palaeostomocystis |
Palaeostomocystis ovata
|
Nd |
Paleocene |
|
Palaeostomocystis |
Palaeostomocystis pachytheca
|
Nd |
Albian |
Cenomanian |
Palaeostomocystis |
Palaeostomocystis pergamentacea
|
Nd |
Aptian |
|
Palaeostomocystis |
Palaeostomocystis pulchella
|
Nd |
Maastrichtian |
|
Palaeostomocystis |
Palaeostomocystis punctulosa
|
Nd |
Kimmeridgian |
|
Palaeostomocystis |
Palaeostomocystis reticulata
|
Nd |
Late Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis scabrata
|
Nd |
Early Tertiary |
|
Palaeostomocystis |
Palaeostomocystis scrobiculata
|
Nd |
Senonian |
|
Palaeostomocystis |
Palaeostomocystis senilis
|
Nd |
Valanginian |
|
Palaeostomocystis |
Palaeostomocystis sinuosa
|
Nd |
Tithonian |
|
Palaeostomocystis |
Palaeostomocystis sphaerica
|
Nd |
Cretaceous |
|
Palaeostomocystis |
Palaeostomocystis tornatilis
|
Nd |
Callovian |
Oxfordian |
Palaeostomocystis |
Palaeostomocystis triquetra
|
Nd |
Barremian |
|
Palaeotetradinium |
Palaeotetradinium
|
Nd |
Nd |
|
Palaeotetradinium |
Palaeotetradinium hermesinoides
|
Nd |
Senonian |
|
Palaeotetradinium |
Palaeotetradinium hyalodermum
|
Nd |
Albian |
Cenomanian |