H. J. Hofmann, E. W. Mountjoy, M. W. Teitz; Ediacaran fossils from the Miette Group, Rocky Mountains, British Columbia, Canada. Geology ; 13 (11): 819–821. doi: https://doi.org/10.1130/0091-7613(1985)13<819:EFFTMG>2.0.CO;2
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The discovery of metazoan fossils in the upper part of the Hadrynian Miette Group (Windermere Supergroup) extends the range of the cosmopolitan Ediacara fauna (late Vendian) to a new region, and brings to six the number of genera now known in western North America. The fossils, provisionally identified as Cyclomedusa davidi?, Irridinitus sp., and Protodipleurosoma sp., occur in a greenish-gray, shallow-water siltstone that surrounds stromatolite mounds established on the Yellowhead Platform in the Mount Robson Provincial Park. The locality is stratigraphically about 330 m below the unconformably overlying McNaughton Formation (Gog Group) of probable Cambrian age.