Aggar is a former rugby player who came to rowing after an accident
An eight-strong squad will represent Great Britain in the inaugural rowing competition at the Beijing Paralympics.
Reigning world champion Tom Aggar will be competing in the men's arms only single sculls event.
Helene Raynsford, who won the world title in 2006 before missing out last year, will take part in the women's equivalent.
The team for the Games, which start on 6 September, also includes a mixed coxed four and a mixed double sculls.
The mixed coxed four won three world golds but finished second at the 2007 World Championships.
Interview: Helene Raynsford
Naomi Riches, who has competed at four world championships, is joined by Vicki Hansford, Alastair McKean and newcomer James Morgan, with able-bodied cox Alan Sherman completing the crew.
James Roberts and former wheelchair basketball player Karen Cromie carry British hopes in the double scull.
ParalympicsGB Chief Executive Phil Lane said: "It's fantastic to see rowing making its debut at the Paralympic Games.
"Britain has traditionally been a strong nation in rowing at the Olympics and I look forward to seeing the Paralympic rowers continue their success in this sport."
The rowing events take place at the Shunyi Olympic Rowing Park from 9-11 September.
GB team Men's arms only single scull: Tom Aggar Women's arms only single scull: Helene Raynsford Legs, trunk and arms mixed coxed four: Vicki Hansford, Alastair McKean, James Morgan, Naomi Riches. Cox: Alan Sherman Trunk and arms mixed double scull: Karen Cromie, James Roberts
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