Rebecca Adlington heads Great Britain team for Euros
Adlington won three events at the British trials in Sheffield in April
Double Olympic champ Rebecca Adlington heads the 35-strong British team for the European Championships in Budapest.
Adlington is joined by world champions Gemma Spofforth and Liam Tancock for the 9-15 August event.
But Commonwealth 1500m gold medallist David Davies misses out after a poor display at the GB trials.
Teenager Achieng Ajulu-Bushell, who represented Kenya at last year's World Championships, has switched nationality and is in the British squad.
Ajulu-Bushell won the women's 50m breaststroke at the British Championships in Sheffield in March and is rated highly as a medal prospect for London 2012.
Born in Manchester to an English mother and Kenyan father, she moved to Africa before returning in September 2007 and enrolling at Plymouth College, where she is a class-mate of diving world champion Tom Daley.
Ajulu-Bushell on road to swimming success
Davies may still get a chance to compete for GB if he is included in the squad for the open-water segment of the Championships, which take place before the pool events.
In his absence, Tom Allen, 17, from Flintshire is the sole Welshman in the men's squad. Jazmin Carlin and Jemma Lowe, who both represented Wales at the 2006 Commonwealth Games, are included in the women's team.
Adlington is full of confidence after a recent training camp in Mallorca, which gave the squad the opportunity to train at an open air 50m pool, rather than the short-course 25m facilities available at home.
"These opportunities help us to develop the vital team dynamic you need when facing a European or Commonwealth challenge," she said.
"Personally I am feeling really good in the pool because I've completed a big block of preparation. Two weeks of long-course training makes a massive difference."
British Swimming's head coach Dennis Pursley said the European Championships will be ideal preparation for the Commonwealth Games in Delhi in October.
"The European Championships will be a high priority competition for British Swimming and are very important to our goals for the year," said the American.
"The approach won't be the same as it would be for a peak performance competition as we will continue training throughout with our focus on the Commonwealth Games.
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"For Britain, the European Championships offer a vital opportunity to really work on our competition skills, our focus and mental toughness, and race against some of the best in the world even though we may not been in the same state of preparation that they will be.
"Budapest will possibly be even stronger in terms of competition in a lot of events than the Commonwealth Games.
"We will be sending most of our best swimmers to Hungary where we want to be swimming tough and do the best we possibly can under the circumstances."
Great Britain team for European Championships pool events:
Women - Rebecca Adlington, Achieng Ajulu-Bushell, Jazmin Carlin, Lucy Ellis, Ellen Gandy , Fran Halsall, Kate Haywood, Joanne Jackson, Jemma Lowe, Sasha Matthews, Hannah Miley, Elizabeth Simmonds, Amy Smith, Gemma Spofforth, Jessica Sylvester, Stacey Tadd, Aimee Willmott, Katherine Wyld.
Men - Tom Allen, Robert Bale, Adam Brown, Simon Burnett, David Carry, Ross Davenport, James Goddard, Kris Gilchrist, Antony James, Michael Jamieson, Roberto Pavoni, Robbie Renwick, Michael Rock, Joe Roebuck, Liam Tancock, Grant Turner, Richard Webb.
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