North_America_Late_Cretaceous_(~75mya)_Western_Interoir_Seaway_map_PLoS_ONE

Paleogeography of North America during the late Campanian Stage of the Late Cretaceous (~75 Million years ago). Image credit: Sampson, Scott D., et al. via PLoSone and Wikimedia Commons.

Paleogeography of North America during the late Campanian Stage of the Late Cretaceous (~75 Million years ago). Image credit: Sampson, Scott D., et al. via PLoSone and Wikimedia Commons.

Posted 
January 28, 2016
 in 

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