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. 2017 Apr 6;12(4):e0175253. doi: 10.1371/journal.pone.0175253

Fig 1. Geographic and stratigraphic distribution of Edmontosaurus regalis in Alberta (modified from [8, 17]).

Fig 1

A, map of southern Alberta; the grey rectangle highlights the central region of the Red Deer River valley, where E. regalis specimens were collected. B, magnified map of the grey rectangular region in Fig 1A, showing the localities of the holotype (CMN 2288) and paratype (CMN 2289) of E. regalis. C, stratigraphic subdivision of the Horseshoe Canyon Formation, with the stratigraphic range of E. regalis.