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army1987 comments on [LINK] On the unlikelihood of intelligent life - Less Wrong Discussion

7 Post author: NancyLebovitz 27 March 2013 05:29AM

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Comment author: [deleted] 29 March 2013 01:43:33PM 1 point [-]

Recent work seems to indicate that the entire diversity of mammals on Earth has a common ancestor after the KT event of 65 megayears ago.

Nitpick: that link talks about placentals; mammals also include monotremes and marsupials.

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