Gochtodinium |
Gochtodinium simplex
|
Worldwide |
Nd |
|
Gongylodinium |
Gongylodinium
|
Worldwide |
Bajocian |
Bathonian |
Gongylodinium |
Gongylodinium erymnoteichon
|
Nd |
Nd |
|
Gonyaulacysta |
Gonyaulacysta
|
Worldwide |
Late Triassic |
Recent |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Nd |
Nd |
|
Gorkadinium |
Gorkadinium
|
Worldwide |
Early Kimmeridgian |
|
Gorkadinium |
Gorkadinium rarum
|
Nd |
Nd |
|
Hafniasphaera |
Hafniasphaera
|
Worldwide |
Late Maastrichtian |
Paleocene |
Hafniasphaera |
Hafniasphaera hyalospinosa
|
Nd |
Nd |
|
Hapsidaulax |
Hapsidaulax
|
Worldwide |
Bathonian |
|
Hapsidaulax |
Hapsidaulax margarethae
|
Nd |
Nd |
|
Hapsocysta |
Hapsocysta
|
Worldwide |
Albian |
Cenomanian |
Hapsocysta |
Hapsocysta peridictya
|
Nd |
Nd |
|
Hebecysta |
Hebecysta
|
Worldwide |
Norian |
|
Hebecysta |
Hebecysta brevicornuta
|
Nd |
Nd |
|
Heibergella |
Heibergella
|
Worldwide |
Carnian |
Norian |
Heibergella |
Heibergella aculeata
|
Nd |
Nd |
|