Great Britain's Stephanie Millward and Claire Cashmore have been unable to make the medal places in the S9 butterfly final.
Strong favourite Natalie du Toit of South Africa took the gold medal with 1:09.30, although the race was close between the three medallists.
Sarai Gascon of Spain pushed Du Toit close on her way to a European record time of 1:09.79.
Elizabeth Stone of America also set a record, for the Americas, with her 1:10.10.
Millward was fifth with 1:12.01 while Cashmore finished eighth with 1:14.56.