St Kilda has named its 26-man extended squad ahead of Sunday's ANZAC Appeal Round match against West Coast at Marvel Stadium.

Alix Tauru, Dougal Howard, Angus Hastie and Liam O'Connell have each been added to the extended bench, with young midfielder Hugh Boxshall (omitted) the only confirmed out. 

Tom De Koning (back/hip) has been named in the squad. 

The final team will be announced at 5:00pm AEST on Friday.

The game will be played at 1:10pm AEST on Sunday, and will be broadcast live on Fox Footy and Kayo.