Chief selector Andrew Hilditch said the squad contained an "exciting blend of experience and youth".
The decision has come after a meeting including "feedback" from National Selection Panel head Andrew Hilditch.
He is currently suffering from a groin strain which Hilditch said was "not expected to be a serious issue".
Chief selector Andrew Hilditch said Symonds would be considered for selection once he had proved his commitment to the national team.
"Shaun Tait has been included as he continues his extensive rehabilitation programme to resume playing cricket, " said National Selection Panel chairman Andrew Hilditch.
Hohns will meet with fellow selectors Allan Border and Andrew Hilditch in July to consider the touring squad after speaking with Warne about his plans.
Although the Australians will not play Test cricket again until August, chairman of selectors Andrew Hilditch hopes Ponting will help the team rediscover their touch.
BBC: Ashes: Australia's Ricky Ponting set to undergo surgery
Decisions have to be made over whether coach Tim Nielsen and chairman of selectors Andrew Hilditch keep their roles, and there is the issue over the captaincy too.
Australia's chairman of selectors Andrew Hilditch is under immense pressure.
"We look forward to Ricky completing his recovery and leading this team to a fourth successive World Cup on the sub-continent at the completion of the Australian summer, " Hilditch said recently.
BBC: Ashes: Australia's Ricky Ponting set to undergo surgery
Chairman of selectors Andrew Hilditch said there was disappointment at failing to win back the Ashes but he was looking forward to the challenge of trying to level the series at the Sydney Cricket Ground.
"We put a side on the paddock that we expected to compete really well and England gained momentum probably at the start of the Adelaide Test match, " added Hilditch, who insisted he would not quit his post.
BBC: Hilditch defends Australia selectors despite Ashes loss
"Dirk will train with the Australian World Cup squad and be fit, available and acclimatised in the event of an injury to a fast bowler, in particular a new-ball fast bowler, in the final stages of this tournament, " added Hilditch.
"With Ricky being unavailable for this match we are sure that both Michael and Brad will lead this Australian side with great professionalism and the full support of the team as we strive for a victory in Sydney, " Hilditch stated.
The statistics do not make good reading for Hilditch, Sutherland and the thousands of Australian fans left bemused at the failings over the last few months by the players of a country that has slipped to fifth in the world Test rankings.
BBC: Hilditch defends Australia selectors despite Ashes loss
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