Fly-half Lionel Beauxis has been recalled after a 2-1/2-year absence along with full-back Clement Poitrenaud, who has not played for France since last year's tournament.
"I wish I could have taken 34 or 35 players. Nobody is eliminated," St Andre, who took over from Marc Lievremont last month, told a news conference.
"The goal is to start the tournament well with the World Cup players and to prepare the future. Nothing is final. It is not the squad that will play for the next four years."
Full France Six Nations squad
Forwards: Nicolas Mas, Luc Ducalcon, Vincent Debaty, Fabien Barcella, Jean-Baptiste Poux, William Servat, Dimitri Szarzewski, Julien Pierre, Romain Millo-Chluski, Yoann Maestri, Pascal Pape, Julien Bonnaire, Thierry Dusautoir (captain), Fulgence Ouedraogo, Yannick Nyanga, Louis Picamoles, Imanol Harinordoquy.
Backs: Morgan Parra, Dimitri Yachvili, François Trinh-Duc, Lionel Beauxis, Maxime Mermoz, Yann David, Aurelien Rougerie, Wesley Fofana, Vincent Clerc, Alexis Palisson, Julien Malzieu, Maxime Medard, Clement Poitrenaud.
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