Dajidae G. O. Sars, 1882

Aegophila Bresciani, 1966

Allophryxus Koehler, 1911

Antephyra Schultz, 1978

Arthrophryxus H. Richardson, 1908

Aspidophryxus G.O. Sars, 1883

Branchiophryxus Caullery, 1897

Colophryxus Richardson, 1908

Dajus Krøyer, 1846

Dolichophryxus Schultz, 1977

Heterophryxus G. O. Sars, 1885

Holophryxus H. Richardson, 1905

Notophryxus G.O. Sars, 1883

Oculophryxus Shields & Gómez-Gutiérrez, 1996

Paradajus Nierstrasz & Brender, 1923

Paraspidophryxus Schultz, 1977

Prodajus Bonnier, 1903

Prophryxus Richardson, 1909

Streptodajus Nierstrasz & Brender, 1923