Botryococcus |
Botryococcus
|
Nd |
Nd |
|
Botryococcus |
Botryococcus braunii
|
Nd |
Nd |
|
Chroococcus |
Chroococcus
|
Nd |
Nd |
|
Chroococcus |
Chroococcus turgidus
|
Nd |
Nd |
|
Entophysalis |
Entophysalis
|
Nd |
Nd |
|
Entophysalis |
Entophysalis major
|
Nd |
Nd |
|
Eoentophysalis |
Eoentophysalis
|
Nd |
Nd |
|
Gloeocapsa |
Gloeocapsa
|
Nd |
Nd |
|
Gloeocapsamorpha |
Gloeocapsamorpha
|
Nd |
Nd |
|
Gloeocapsamorpha |
Gloeocapsamorpha hebeica
|
China(Hopei) |
Early Sinian |
|
Gloeocapsamorpha |
Gloeocapsamorpha macrocysta
|
Baltic |
Ordovician |
|
Gloeocapsamorpha |
Gloeocapsamorpha macrocysta
|
Canada(Arctic) |
Silurian |
|
Gloeocapsamorpha |
Gloeocapsamorpha macrocysta
|
England(Somerset) |
Silurian |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
Estonia |
Middle Ordovician |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
Nd |
Nd |
|
Gloeocapsamorpha |
Gloeocapsamorpha prisca
|
North America |
Ordovician |
|
Gloeocystis |
Gloeocystis
|
Nd |
Nd |
|