| Imbatodinium |
Imbatodinium kondratjevii
|
USSR(Moscow) |
Late Jurassic |
|
| Imbatodinium |
Imbatodinium verrucosum
|
USSR(Moscow) |
Late Jurassic |
|
| Imbatodinium |
Imbatodinium villosum
|
Nd |
Nd |
|
| Kalyptea |
Kalyptea
|
Nd |
Nd |
|
| Kalyptea |
Kalyptea diceras
|
Alaska |
Late Jurassic |
|
| Kalyptea |
Kalyptea glabra
|
Australia(W.Australia) |
Tithonian |
|
| Kalyptea |
Kalyptea jurassica
|
Nd |
Nd |
|
| Kalyptea |
Kalyptea monoceras
|
Nd |
Nd |
|
| Kalyptea |
Kalyptea stegasta
|
Alaska |
Late Jurassic |
|
| Kalyptea |
Kalyptea stegasta
|
England(Yorkshire) |
Oxfordian |
|
| Kalyptea |
Kalyptea trinetra
|
England(Yorkshire) |
Middle Barremian |
|
| Komewuia |
Komewuia
|
Nd |
Nd |
|
| Komewuia |
Komewuia glabra
|
Australia(W.Australia) |
Tithonian |
|
| Necrobroomea |
Necrobroomea
|
E.Germany |
Hauterivian |
Late Barremian |
| Necrobroomea |
Necrobroomea exigua
|
E.Germany |
Late Hauterivian |
|
| Necrobroomea |
Necrobroomea gochtii
|
E.Germany |
Valanginian |
Hauterivian |
| Necrobroomea |
Necrobroomea imbatodinensis
|
USSR(Siberia) |
Late Jurassic |
|