| Wynniatt Formation | |
|---|---|
| Stratigraphic range: 848±49 Ma - 761±41 Ma | |
| Type | Formation |
| Overlies | Boot Inlet Formation |
| Location | |
| Region | Nunavut |
| Country | Canada |
The Wynniatt Formation is a geologic formation in Nunavut. It preserves enigmatic fossils dating back to the Middle to Late Tonian period, around 850 Ma - 760 Ma.
Paleobiota
After Butterfield, 2005.
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Paleobiota | ||||
|---|---|---|---|---|
| Genus | Species | Notes | Images | |
| Tappania |
|
Acanthomorph acritarch. | ||
| Cheilofilum |
|
Enigmatic filamentous organism. | ||
| Plicatosphaeridium |
|
Enigmatic filamentous organism. | ||
| Clavitrichoides |
|
Enigmatic filamentous organism. | ||
| Osculosphaera |
|
Enigmatic filamentous organism. | ||
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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- van Acken, David; Thomson, Danielle; Rainbird, Robert H.; Creaser, Robert A. (October 2013). "Constraining the depositional history of the Neoproterozoic Shaler Supergroup, Amundsen Basin, NW Canada: Rhenium-osmium dating of black shales from the Wynniatt and Boot Inlet Formations". Precambrian Research. 236: 124–131. doi:10.1016/j.precamres.2013.07.012.
- ^ Butterfield, Nicholas J. (June 2005). "Reconstructing a complex early Neoproterozoic eukaryote, Wynniatt Formation, arctic Canada". Lethaia. 38 (2): 155–169. doi:10.1080/00241160510013231.