68-issue ongoing series (#208-275) published from February 27, 2008 to October 31, 2012, with an extra #260.1 and one Annual. It is preceeded by X-Men (2004) and followed by X-Men Legacy (2012).
Issues #226–227 were published under the Dark Reign brand. Issues #245-249 are part of the Age of X storyline. Issues #266-270 are tie-ins to the Avengers …