Gonyaulax |
Gonyaulax diaphana
|
California |
Late Tithonian |
Aptian |
Gonyaulax |
Gonyaulax granulosa
sp. nov. |
California |
Late Tithonian |
Valanginian |
Gonyaulax |
Gonyaulax helicoidea
|
California |
Late Tithonian |
Aptian |
Gonyaulax |
Gonyaulax subtilis
sp. nov. |
California |
Late Tithonian |
|
Gonyaulax |
Gonyaulax vermiculata
sp. nov. |
California |
Late Tithonian |
|
Hystrichodinium |
Hystrichodinium voigtii
sp. nov. |
California |
Late Tithonian |
Hauterivian |
Hystrichopisidium |
Hystrichopisidium
|
California |
Late Berriasian |
Valanginian |
Hystrichopisidium |
Hystrichopisidium evitti
sp. nov. |
California |
Late Berriasian |
Valanginian |
Hystrichosphaera |
Hystrichosphaera duplifurcata
sp. nov. |
California |
Late Berriasian |
Valanginian |
Hystrichosphaera |
Hystrichosphaera furcata
|
California |
Valanginian |
Albian |
Hystrichosphaera |
Hystrichosphaera sp
|
California |
Berriasian |
Valanginian |
Hystrichosphaera |
Hystrichosphaera speciosa
|
California |
Berriasian |
Hauterivian |
Hystrichosphaera |
Hystrichosphaera spinimarginata
sp. nov. |
California |
Late Berriasian |
Valanginian |
Hystrichosphaera |
Hystrichosphaera verrucosa
sp. nov. |
California |
Late Tithonian |
Hauterivian |
Hystrichosphaeridiopsis |
Hystrichosphaeridiopsis
|
California |
Late Tithonian |
Aptian |
Hystrichosphaeridiopsis |
Hystrichosphaeridiopsis adnata
sp. nov. |
California |
Late Tithonian |
Valanginian |
Hystrichosphaeridiopsis |
Hystrichosphaeridiopsis erugata
sp. nov. |
California |
Late Tithonian |
Hauterivian |