Avatar and Star Trek vie for awards
Science-fiction tales Avatar, Star Trek and District 9 have grabbed three of the five nominations for top dramatic honours from the American Cinema Editors.
Also receiving nods for best editing in a dramatic film are the war story The Hurt Locker and the recession-era tale Up In The Air.
The romances (500) Days of Summer and It's Complicated, the Vegas romp The Hangover, the Julia Child story Julie And Julia and the 1960s domestic tale A Serious Man are up for editing on a comedy or musical.
Animated film nominees are Up, Fantastic Mr Fox and Coraline.
Winners will be announced at a Hollywood ceremony on February 14.