Arthropoda
Abakolia Bognibova, 1970
Acidiscus Rasetti, 1966
Acimetopus Rasetti, 1966
Analox Rasetti, 1966
Bathydiscus Rasetti, 1966
Bolboparia Rasetti, 1966
Cephalopyge Geyer, 1988
Cobboldites Kobayashi, 1943
Leptochilodiscus Rasetti, 1966
Litometopus Rasetti, 1966
Mallagnostus Howell, 1935
Meniscuchus Öpik, 1975
Ninadiscus Korobov, 1980
Oodiscus Rasetti, 1966
Runcinodiscus Rushton, 1976
Semadiscus Romanenko, 1978
Serrodiscus Richter & Richter, 1941
Stigmadiscus Rasetti, 1966
Tannudiscus Pokrovskaya, 1959
Weymouthia Raymond, 1913
