Larmour to start at full-back.
Athlone's Jack Carty is set to make his World Cup debut on Sunday in Japan.
He's been named on the bench for the match against Scotland in Yokohama.
Jordan Larmour will start at full back on the starting 15 .
He has been picked in a back three with Andrew Conway and Jacob Stockdale on the wings.
Bundee Aki and Garry Ringrose are the centres, as Johnny Sexton and Conor Murray form the half back partnership.
The front row is made up of Cian Healy, Rory Best and Tadhg Furlong.
The second row will see Iain Henderson partnered by James Ryan.
And the back row consists of Peter O'Mahony, CJ Stander and Josh Van der Flier.
Joey Carbery, Rob Kearney Robbie Henshaw and Keith Earls won't see any game time
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