Talk:Mammal
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Which evolutionary scientists frequently claim that mammals occurred in the Jurassic? A current theory [1] would have put their origins around 120 million years ago, which if I am not mistaken is in the Cretaceous?--Felix 17:37, 19 April 2007 (EDT)
- ↑ see for example http://www.abc.net.au/science/news/stories/s240655.htm