Denise S. Whitford

Tiffany Playter¹, 

Kurt Konhauser¹, 

George W. Owttrim², 

Denise S. Whitford², 

Tyler Warchola¹, 

Cheryl Hodgson^1,3, 

Aleksandra M. Mloszewska⁴, 

Bruce Sutherland¹, 

J.-P. Zonneveld¹, 

S. George Pemberton¹, 

Murray K. Gingras¹ 

¹Department of Earth and Atmospheric Sciences, University of Alberta, 

²Department of Biological Sciences, University of Alberta, 

³Department of Earth Sciences, Simon Fraser University, 

⁴Earth Sciences Department, University of Toronto