Ovoidites |
Ovoidites grandis
|
Canada(W.Canada) |
Late Jurassic |
Neocomian |
Ovoidites |
Ovoidites grandis
|
Canada(Ontario) |
Albian |
|
Ovoidites |
Ovoidites parvus
|
Canada(Ontario) |
Albian |
|
Ovoidites |
Ovoidites spriggii
|
Australia |
Albian |
Cenomanian |
Ovoidites |
Ovoidites spriggii
|
Canada(Ontario) |
Albian |
|
Pediastrum |
Pediastrum boryanum
|
Canada(Ontario) |
Albian |
|
Pediastrum |
Pediastrum boryanum
|
Canada(Ontario) |
Albian |
|
Pediastrum |
Pediastrum form 2c
sp. nov. |
Nd |
Nd |
|
Pediastrum |
Pediastrum form 2c
sp. nov. |
Nd |
Nd |
|
Pediastrum |
Pediastrum form 3c
sp. nov. |
Nd |
Nd |
|
Pediastrum |
Pediastrum form 4c
sp. nov. |
Nd |
Nd |
|
Reticulatasporites |
Reticulatasporites sp
|
Nd |
Nd |
|
Retirotundia |
Retirotundia
|
Germany |
Middle Oligocene |
|
Retirotundia |
Retirotundia pseudoreticulata
|
Canada(Ontario) |
Albian |
|
Scenedesmus |
Scenedesmus sp.A Zipp.,1998
sp. nov. |
Canada(Ontario) |
Albian |
|
Schizaeoisporites |
Schizaeoisporites minor
|
Nd |
Nd |
|
Schizocystia |
Schizocystia laevigata
|
Nd |
Nd |
|