SAO PAULO, Brazil _ Lauren Jackson scored 30 points and helped Australia wallop Argentina 83-49 and remain unbeaten going into the quarterfinals of the women's world basketball championship on Monday.

The Opals topped Group E, followed by Spain and Brazil. Lithuania claimed the last quarterfinal berth in the group on points difference from Argentina.

Amaya Valdemoro scored 39 points and Ana Montanana added 11 in Spain's 75-55 victory over Lithuania.

Host Brazil trounced Canada 82-41 with 17 points from Iziane Castro Alves. Veteran Janeth dos Santos Arcain sprained her right ankle and was carried off the court, and team doctor Carlos Eduardo Marques said her condition was not serious.

In Group F, Russia and France claimed the last two quarterfinals spots.

France lost to China 66-64, but the two-point margin helped the French advance by edging China on points difference.

Lijie Miao scored 23 points to lead China.

Russia's Ilona Korstin scored 26 points as it beat Cuba 96-81.

The United States and the Czech Republic played in a late match to determine the group winner.