This article is within the scope of WikiProject Cetaceans, a project which is currently considered to be inactive.CetaceansWikipedia:WikiProject CetaceansTemplate:WikiProject CetaceansCetaceans articles
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I started this page, but I added information from the evolution of cetaceans article. If anyone would like to rewrite this great as long as no one deletes this. Because during the last views it's never been created.--4444hhhh (talk) 00:19, 27 January 2010 (UTC)[reply]