Arthropoda
Delgadella Walcott, 1912
Dicerodiscus Chang
Hebediscus Whitehouse, 1936
Luvsanodiscus Korobov, 1980
Natalina Romanenko, 1978
Neopagetina Pokrovskaya, 1960
Parapagetina Repina, 1964
Tchernyshevioides Khairullina, 1975
