Impletosphaeridium |
Impletosphaeridium whitei
|
England |
Senonian |
|
Kallosphaeridium |
Kallosphaeridium brevibarbatum
|
Belgium |
Ypresian |
|
Kalyptea |
Kalyptea aceras
|
Canada(Arctic) |
Late Cretaceous |
|
Kalyptea |
Kalyptea diceras
|
Australia(W.Australia) |
Tithonian |
|
Kalyptea |
Kalyptea monoceras
|
Australia(W.Australia) |
Late Jurassic |
|
Lanterna |
Lanterna bulgarica
|
Bulgaria |
Tithonian |
|
Lanterna |
Lanterna spinosa
|
Nd |
Nd |
|
Lanterna |
Lanterna sportula
|
Nd |
Nd |
|
Lanternosphaeridium |
Lanternosphaeridium axiale
|
W.Germany |
Early Eocene |
|
Lanternosphaeridium |
Lanternosphaeridium axiale
|
W.Germany |
Early Eocene |
Middle Oligocene |
Lanternosphaeridium |
Lanternosphaeridium axiale
|
Germany |
Late Eocene |
Early Oligocene |
Lanternosphaeridium |
Lanternosphaeridium lanosum
|
W.Germany |
Early Eocene |
|
Lanternosphaeridium |
Lanternosphaeridium radiatum
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia chytroeides
|
Nd |
Nd |
|
Leptodinium |
Leptodinium panneum
|
Nd |
Nd |
|
Leptodinium |
Leptodinium schizoblatum
|
Nd |
Nd |
|
Lingulodinium |
Lingulodinium machaerophorum
|
W.Germany |
Middle Oligocene |
Middle Miocene |