Protosphaeridium |
Protosphaeridium flexuosum
|
Spitsbergen |
Late Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha form a
sp. nov. |
Spitsbergen |
Late Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha form b
sp. nov. |
Spitsbergen |
Late Riphean |
|
Siphonophycus |
Siphonophycus sp
|
Spitsbergen |
Late Riphean |
|
Spore |
Spore form b
sp. nov. |
Spitsbergen |
Late Riphean |
|
Stictosphaeridium |
Stictosphaeridium senapticuliferum
|
Spitsbergen |
Late Riphean |
|
Stictosphaeridium |
Stictosphaeridium sp
|
Spitsbergen |
Late Riphean |
|
Trachyhystrichosphaera |
Trachyhystrichosphaera vidalii
sp. nov. |
Spitsbergen |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium leve
|
Spitsbergen |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium sp.A
sp. nov. |
Spitsbergen |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium sp.B
sp. nov. |
Spitsbergen |
Late Riphean |
|
Trachysphaeridium |
Trachysphaeridium timofeevii
|
Spitsbergen |
Late Riphean |
|
Trematosphaeridium |
Trematosphaeridium holtedahlii
|
Spitsbergen |
Late Riphean |
|
Unnamed |
Unnamed form a
sp. nov. |
Spitsbergen |
Late Riphean |
|
Unnamed |
Unnamed form c
sp. nov. |
Spitsbergen |
Late Riphean |
|
Unnamed |
Unnamed form d
sp. nov. |
Spitsbergen |
Late Riphean |
|
Unnamed |
Unnamed form e
sp. nov. |
Spitsbergen |
Late Riphean |
|