Eocardiidae Ameghino, 1891

Asteromys Ameghino, 1897

Chubutomys Wood & Patterson, 1959

Eocardia Ameghino, 1887

Luantus Ameghino, 1899

Matiamys Vucetich, 1984

Neophanomys Rovereto, 1914

Phanomys Ameghino, 1887