File talk:Snider-Pellegrini Wegener fossil map.gif
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Cynognathus and Lystrosaurus are stem-mammals -- not considered reptiles any more, at least by some workers. 71.84.195.94 (talk) 15:17, 6 January 2012
Cynognathus and Lystrosaurus are stem-mammals -- not considered reptiles any more, at least by some workers. 71.84.195.94 (talk) 15:17, 6 January 2012