Maturodinium |
Maturodinium inornatum
|
Canada(Arctic) |
Late Rhaetian |
Early Bathonian |
Mendicodinium |
Mendicodinium sp
|
Canada(Arctic) |
Toarcian |
Bathonian |
Micrhystridium |
Micrhystridium sp
|
Canada(Arctic) |
Triassic |
Early Jurassic |
Muderongia |
Muderongia simplex
|
Canada(Arctic) |
Late Tithonian |
Early Albian |
Muderongia |
Muderongia simplex
|
W.Germany |
Late Tithonian |
Early Albian |
Necrobroomea |
Necrobroomea exigua
|
Nd |
Nd |
|
Necrobroomea |
Necrobroomea jaegeri
|
Nd |
Nd |
|
Necrobroomea |
Necrobroomea longicornuta
|
W.Germany |
Late Barremian |
|
Necrobroomea |
Necrobroomea micropoda
|
W.Germany |
Aptian |
|
Noricysta |
Noricysta
|
Nd |
Nd |
|
Noricysta |
Noricysta fimbriata
|
Canada(Arctic) |
Norian |
Early Rhaetian |
Odontochitina |
Odontochitina nuda
|
Canada(Arctic) |
Early Cretaceous |
|
Odontochitina |
Odontochitina operculata
|
Canada(Arctic) |
Aptian |
|
Ovum |
Ovum hispidum
|
Nd |
Nd |
|
Paragonyaulacysta |
Paragonyaulacysta
|
Canada(NWT,Franklin) |
Early Callovian |
|
Paragonyaulacysta |
Paragonyaulacysta calloviensis
|
Canada(Arctic) |
Middle Jurassic |
Early Cretaceous |
Paragonyaulacysta |
Paragonyaulacysta retiphragmata
sp. nov. |
Canada(Arctic) |
Callovian |
|