Svanbergfjellet Formation
Geologic formation in Svalbard
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The Svanbergfjellet Formation is a geologic formation in Svalbard. It preserves eukaryotic fossils dating back to the Late Tonian period, around 790 Ma.
Paleobiota
After Butterfield et al, 1994.[2]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Paleobiota | ||||
|---|---|---|---|---|
| Genus | Species | Notes | Images | |
| Proterocladus |
|
Filamentous green algae, another species is the earliest such fossil found | .jpg) | |
| Palaeastrum |
|
Filamentous eukaryote, possibly a green alga. |  | |
| Pseudotawuia |
|
Enigmatic eukaryote, bears two unusual kidney-shaped structures at its tip. | ||
| Tawuia |
|
Enigmatic eukaryote, possibly an alga. | ||
| Valkyria |
|
Filamentous eukaryote, bears several differentiated cells/cell types, possibly placing it at tissue-grade organisation?[2] | ||
| Cerebrosphaera |
|
Acritarch | ||
| Chuaria |
|
Acritarch | ||
| Cymatiosphaeroides |
|
Acritarch | ||
| Dictyotidium |
|
Acritarch | ||
| Germinosphaera |
|
Acritarch | ||
| Goniosphaeridium |
|
Acritarch | ||
| Gorgonisphaeridium |
|
Acritarch | ||
| Leiosphaeridia |
|
Acritarch | ||
| Osculosphaera |
|
Acritarch | ||
| Pterospermopsimorpha |
|
Acritarch | ||
| Trachyhystrichosphaera |
|
Acritarch | ||
| Gloeodiniopsis |
|
Cyanobacteria | ||
| Eoentophysalis |
|
Cyanobacteria | ||
| Polybessurus |
|
Cyanobacteria | ||
| Obruchevella |
|
Cyanobacteria | ||
| Eosynechococcus |
|
Cyanobacteria | ||
| Sphaerophycus |
|
Cyanobacteria | ||
| Cephalonyx |
|
Cyanobacteria | ||
| Cyanonema |
|
Cyanobacteria | ||
| Oscillatoriopsis |
|
Cyanobacteria | ||
| Palaeolyngbya |
|
Cyanobacteria | ||
| Siphonophycus |
|
Cyanobacteria | ||
| Tortunema |
|
Cyanobacteria | ||
| Brachypleganon |
|
Cyanobacteria | ||
| Chlorogloeaopsis |
|
Cyanobacteria | ||
| Digitus |
|
Cyanobacteria | ||
| Myxococcoides |
|
Cyanobacteria | ||
| Ostiana |
|
Cyanobacteria | ||
| Palaeosiphonella |
|
Cyanobacteria | ||