Gonyaulacysta |
Gonyaulacysta sp
|
|
Middle Tithonian |
Late Tithonian |
Gonyaulacysta |
Gonyaulacysta sp. Quat.& Volk.,1983
sp. nov. |
|
Bajocian |
Hauterivian |
Gonyaulacysta |
Gonyaulacysta sp.A
sp. nov. |
|
Berriasian |
|
Gonyaulacysta |
Gonyaulacysta sp.B
sp. nov. |
|
Middle Berriasian |
Late Berriasian |
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
|
Hauterivian |
|
Hystrichosphaerina |
Hystrichosphaerina neuquina
|
|
Early Tithonian |
Middle Tithonian |
Hystrichosphaerina |
Hystrichosphaerina neuquina
|
|
Early Tithonian |
Hauterivian |
Jansonia |
Jansonia sp
|
|
Early Tithonian |
Hauterivian |
Leiosphaeridia |
Leiosphaeridia
|
|
Early Tithonian |
Hauterivian |
Leptodinium |
Leptodinium ambiguum
|
|
Berriasian |
|
Lithodinia |
Lithodinia jurassica
|
|
Callovian |
|
Lithodinia |
Lithodinia jurassica
sp. nov. |
|
Callovian |
|
Mancodinium |
Mancodinium semitabulatum
|
|
Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax acanthosphaera
|
|
Middle Tithonian |
Late Tithonian |
Meiourogonyaulax |
Meiourogonyaulax sp
|
|
Hauterivian |
|
Mendicodinium |
Mendicodinium reticulatum
|
|
Callovian |
|
Millioudodinium |
Millioudodinium ambiguum
|
|
Berriasian |
|