Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
Nd |
Bathonian |
|
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
Nd |
Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium costatum
|
Nd |
Bathonian |
Oxfordian |
Hystrichosphaeridium |
Hystrichosphaeridium mantellii
|
Nd |
Portlandian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Nd |
Kimmeridgian |
Portlandian |
Hystrichosphaeridium |
Hystrichosphaeridium petilum
|
Nd |
Kimmeridgian |
|
Hystrichosphaeridium |
Hystrichosphaeridium polonicum
|
Nd |
Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium toryna
|
Nd |
Kimmeridgian |
Portlandian |
Hystrichosphaeridium |
Hystrichosphaeridium truncigerum
|
Nd |
Oxfordian |
|
Imbatodinium |
Imbatodinium antennatum
|
Nd |
Kimmeridgian |
|
Imbatodinium |
Imbatodinium imbatodinense
|
Nd |
Kimmeridgian |
Portlandian |
Imbatodinium |
Imbatodinium kondratjevii
|
Nd |
Kimmeridgian |
Portlandian |
Imbatodinium |
Imbatodinium verrucosum
|
Nd |
Kimmeridgian |
Portlandian |
Imbatodinium |
Imbatodinium villosum
|
Nd |
Kimmeridgian |
Portlandian |
Kalyptea |
Kalyptea diceras
|
Nd |
Kimmeridgian |
Portlandian |
Kalyptea |
Kalyptea monoceras
|
Nd |
Kimmeridgian |
Portlandian |
Komewuia |
Komewuia glabra
|
Nd |
Kimmeridgian |
Portlandian |