Pseudobigaleaidae Hoare et al., 2002

Avalanchia Caldwell & Chatterton, 1995

Baiosoma Hoare, Mapes & Yancey, 2002

Bigalea Pojeta & Runnegar, 1976

Bitrigonocardia

Cassowarioides Johnston & Chatterton, 1983

Hadropipetta Hoare, Mapes & Yancey, 2002

Iapetocardia

Kandosoconcha Cook & Camilleri, 2001

Nehedia Johnston & Chatterton, 1983

Pseudobigalea Hoare, Mapes & Brown, 1982