Gonyaulacysta |
Gonyaulacysta ornata
|
Canada |
Late Bajocian |
|
Gonyaulacysta |
Gonyaulacysta variabilis
|
Canada |
Late Bajocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium albertense
|
Canada(W.Canada) |
Barremian |
Early Albian |
Hystrichosphaeridium |
Hystrichosphaeridium irregulare
|
Canada |
Barremian |
Early Albian |
Jansonia |
Jansonia jurassica
|
Canada |
Late Bajocian |
|
Leiosphaeridia |
Leiosphaeridia asymmetrica
|
Canada(W.Canada) |
Late Bajocian |
|
Leptodinium |
Leptodinium norrisii
|
Canada |
Late Bajocian |
Callovian |
Leptodinium |
Leptodinium perornatum
sp. nov. |
Canada |
Late Bajocian |
|
Multiplicisphaeridium |
Multiplicisphaeridium vestitum
|
Nd |
Nd |
|
Odontochitina |
Odontochitina athabaskensis
|
Canada |
Barremian |
|
Oligosphaeridium |
Oligosphaeridium albertense
|
Canada(W.Canada) |
Barremian |
Early Albian |
Oligosphaeridium |
Oligosphaeridium irregulare
|
Nd |
Nd |
|
Opaeopsomus |
Opaeopsomus wapellensis
|
Nd |
Nd |
|
Palaeohystrichophora |
Palaeohystrichophora brevispinosa
|
Canada(W.Canada) |
Late Barremian |
Early Aptian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Canada |
Aptian |
Albian |
Pareodinia |
Pareodinia ceratophora
|
Canada |
Callovian |
|
Pareodinia |
Pareodinia evittii
|
Canada(W.Canada) |
Late Bajocian |
Callovian |