File:Chasmosaurine distribution.png

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English: Paleogeography of North America during the Late Cretaceous (∼75 Ma), showing biogeographic distribution of chasmosaurine ceratopsid dinosaurs on the western landmass, Laramidia, during the late Campanian (∼76–73 Ma). Green represents coastal and alluvial plain habitats and reddish brown represents highlands. Present day boundaries of states and provinces are noted, as are the locations of key dinosaur-bearing geologic formations. Abbreviations: A, Aguja Formation, Texas; D, Dinosaur Park Formation, Alberta; F, Fruitland-Kirtland Formations; K, Kaiparowits Formation, Utah). Modified after Blakey [1].
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Source http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0012292
Author Scott D. Sampson, Mark A. Loewen, Andrew A. Farke, Eric M. Roberts, Catherine A. Forster, Joshua A. Smith, Alan L. Titus
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current11:07, 9 January 2014Thumbnail for version as of 11:07, 9 January 20144,050 × 4,776 (2.21 MB)Trlkly (talk | contribs)Removed white border and optimized.
05:14, 8 January 2014Thumbnail for version as of 05:14, 8 January 20144,096 × 4,821 (3.59 MB)IJReid (talk | contribs){{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Distribution of Campanian Chasmosaurines}} |Source = http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0012292 |Date = September 22, 2010 |Author = Scott D. Sa...

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