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Cephalopods Remained Dominant After the Event

Credit: Flickr.com user Trailmix.net -Attrib. 2.0 Generic
article: The Late Ordovician Mass Extinction 		Other images from this article
Cephalopods Remained Dominant After the Event Brachiopods Were Common Before and After Event
Cephalopods Remained Dominant After the Event , Flickr.com user Trailmix.net -Attrib. 2.0 Generic