Leiosphaeridia |
Leiosphaeridia minutissima
|
Greenland |
Middle Proterozoic |
|
Leiosphaeridia |
Leiosphaeridia riphiana
|
Nd |
Nd |
|
Leiosphaeridia |
Leiosphaeridia tenuissima
|
Canada(Arctic) |
Middle Proterozoic |
|
Leiosphaeridia |
Leiosphaeridia tenuissima
|
Greenland |
Middle Proterozoic |
|
Leiosphaeridia |
Leiosphaeridia ternata
|
Greenland |
Middle Proterozoic |
|
Leiosphaeridia |
Leiosphaeridia ternata
|
Canada(Arctic) |
Middle Proterozoic |
|
Navifusa |
Navifusa majensis
|
Canada(Arctic) |
Middle Proterozoic |
|
Navifusa |
Navifusa majensis
|
Greenland |
Middle Proterozoic |
|
Nucellosphaeridium |
Nucellosphaeridium zonatum
|
Nd |
Nd |
|
Obruchevella |
Obruchevella sp. Hofm.& Jack.,1996
sp. nov. |
Canada(Arctic) |
Middle Proterozoic |
|
Obruchevella |
Obruchevella sp. Hofm.& Jack.,1996
sp. nov. |
Greenland |
Middle Proterozoic |
|
Ostiana |
Ostiana microcystis
|
Greenland |
Middle Proterozoic |
|
Ostiana |
Ostiana microcystis
|
Canada(Arctic) |
Middle Proterozoic |
|
Pellicularia |
Pellicularia sp. Hofm.& Jack.,1996
sp. nov. |
Greenland |
Middle Proterozoic |
|
Pellicularia |
Pellicularia sp. Hofm.& Jack.,1996
sp. nov. |
Canada(Arctic) |
Middle Proterozoic |
|
Pterospermopsimorpha |
Pterospermopsimorpha capsulata
|
Nd |
Nd |
|
Pterospermopsimorpha |
Pterospermopsimorpha insolita
|
Canada(Arctic) |
Middle Proterozoic |
|