Microdinium |
Microdinium ornatum
|
Worldwide |
Late Albian |
Campanian |
Microdinium |
Microdinium veligerum
|
Worldwide |
Early Cenomanian |
Middle Cenomanian |
Muderongia |
Muderongia simplex
|
Worldwide |
Middle Berriasian |
Late Berriasian |
Muderongia |
Muderongia tetracantha
|
Worldwide |
Late Hauterivian |
Early Barremian |
Multispinula |
Multispinula quanta
|
Worldwide |
Pleistocene |
|
Muratodinium |
Muratodinium fimbriatum
|
Worldwide |
Late Paleocene |
Early Eocene |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Worldwide |
Late Pliensbachian |
Early Bathonian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Worldwide |
Bajocian |
Early Kimmeridgian |
Nannoceratopsis |
Nannoceratopsis senex
|
Worldwide |
Late Pliensbachian |
Early Bajocian |
Nannoceratopsis |
Nannoceratopsis triceras
|
Worldwide |
Late Pliensbachian |
Aalenian |
Nematosphaeropsis |
Nematosphaeropsis aquaeducta
|
Worldwide |
Late Oligocene |
Miocene |
Nematosphaeropsis |
Nematosphaeropsis labyrinthus
|
Worldwide |
Late Oligocene |
Pleistocene |
Netrelytron |
Netrelytron stegastum
|
Worldwide |
Callovian |
Early Oxfordian |
Noricysta |
Noricysta
|
Worldwide |
Late Norian |
|
Occisucysta |
Occisucysta balios
|
Worldwide |
Kimmeridgian |
Portlandian |
Occisucysta |
Occisucysta tentorium
|
Worldwide |
Late Berriasian |
Aptian |
Odontochitina |
Odontochitina costata
|
Worldwide |
Late Albian |
Campanian |