Pediastrum |
Pediastrum integrum
|
Nd |
Nd |
|
Pediastrum |
Pediastrum kawraiskyi
|
Nd |
Nd |
|
Pediastrum |
Pediastrum simplex
|
Nd |
Nd |
|
Plaesiodictyon |
Plaesiodictyon
|
Nd |
Triassic |
|
Plaesiodictyon |
Plaesiodictyon decussatus
|
Nd |
Triassic |
|
Plaesiodictyon |
Plaesiodictyon decussatus
|
Australia(Offshore) |
Late Anisian |
Early Ladinian |
Plaesiodictyon |
Plaesiodictyon mosellanum
|
Australia(Offshore) |
Late Carnian |
Norian |
Quadrisporites |
Quadrisporites
|
Nd |
Nd |
|
Quadrisporites |
Quadrisporites acanthifer
|
Nd |
Nd |
|
Quadrisporites |
Quadrisporites horridus
|
Australia(NSW) |
Late Carnian |
Norian |
Quadrisporites |
Quadrisporites horridus
|
Southern Hemisphere |
Permian |
|
Scenedesmus |
Scenedesmus
|
England(Surrey) |
Barremian |
|
Scenedesmus |
Scenedesmus acuminatus
|
Nd |
Early Cretaceous |
|
Scenedesmus |
Scenedesmus armatus
|
Nd |
Nd |
|
Scenedesmus |
Scenedesmus bifidus
|
England(Surrey) |
Hauterivian |
|
Scenedesmus |
Scenedesmus bifidus
|
England(Isle of Wight) |
Late Barremian |
|
Scenedesmus |
Scenedesmus bifidus
|
Nd |
Early Cretaceous |
|