Palaeoperidinium |
Palaeoperidinium pyrophorum
|
Alabama |
Paleocene |
|
Caligodinium |
Caligodinium amiculum
|
Alabama |
Paleocene |
|
Heteraulacacysta |
Heteraulacacysta campanula
|
Alabama |
Middle Eocene |
|
Fibrocysta |
Fibrocysta lappacea
|
Alabama |
Early Eocene |
|
Operculodinium |
Operculodinium placitum
|
Alabama |
Late Eocene |
|
Lingulasphaera |
Lingulasphaera spinula
|
Alabama |
Early Eocene |
|
Pareodinia |
Pareodinia ceratophora
|
Alaska |
Late Jurassic |
|
Kalyptea |
Kalyptea stegasta
|
Alaska |
Jurassic |
|
Nelchinopsis |
Nelchinopsis kostromiensis
|
Alaska |
Early Cretaceous |
|
Schizocystia |
Schizocystia pilosa
|
Algeria |
Early Devonian |
|
Nelsoniella |
Nelsoniella tuberculata
|
Argentina |
Tertiary |
|
Druggidium |
Druggidium apicopaucicum
|
Atlantic Ocean |
Early Cretaceous |
|
Scriniocassis |
Scriniocassis dictyotus
|
Atlantic Ocean |
Jurassic |
|
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Atlantic Ocean |
Late Jurassic |
|
Deflandrea |
Deflandrea medcalfii
|
Australia |
Paleocene |
|
Glaphyrocysta |
Glaphyrocysta retiintexta
|
Australia |
Late Cretaceous |
|
Maduradinium |
Maduradinium pentagonum
|
Australia |
Late Cretaceous |
|