Wynniatt Formation

Wynniatt Formation
Stratigraphic range: 848±49 Ma - 761±41 Ma[1]
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.[2]

Paleobiota

After Butterfield, 2005.[2]

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Paleobiota
Genus	Species	Notes	Images
Tappania	Tappania sp.	Acanthomorph acritarch.
Cheilofilum	C. hysteriopsis	Enigmatic filamentous organism.
Plicatosphaeridium	P. impostor	Enigmatic filamentous organism.
Clavitrichoides	Clavitrichoides sp.	Enigmatic filamentous organism.
Osculosphaera	Osculosphaera sp.	Enigmatic filamentous organism.

See also

• List of fossiliferous stratigraphic units in Nunavut

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.

1. 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.
2. Butterfield, Nicholas J. (June 2005). "Reconstructing a complex early Neoproterozoic eukaryote, Wynniatt Formation, arctic Canada". Lethaia. 38 (2): 155–169. doi:10.1080/00241160510013231.