Cardiidae

Lamarck, 1809

Fraginae

Stewart, 1930

Lunulicardia

J. E. Gray, 1853
Lunulicardia hemicardium

Trachycardiinae

Stewart, 1930

Vasticardium

Iredale, 1927
Vasticardium elongatum

Maoricardium

Marwick, 1944
Maoricardium setosum