Glorianella Schneider, 1956 † (original description)
Ilyocyprimorpha Mandel'shtam, 1956 † (original description)
Jangudaspis Ogienko, 1956 † (original description)
Kasakhstanella Nekhoroshev, 1956 † (original description)
Kassinella Borissiak, 1956 † (original description)
Kassinia Mandelstam, 1956 † (original description)
Labaia Licharew, 1956 † (original description)
Leolasma Kaljo, 1956 † (original description)
Limnocypridea Lübimova, 1956 † (original description)
Lutkevichinella Schneider, 1956 † (original description)
Maiaspis Chernysheva, 1956 † (original description)
Mandelstamia Ljubimova, 1956 † accepted as Mandelstamia Lyubimova in Lyubimova & Khabarova, 1955 † (original description)
Mediocypris Schneider, 1956 † (original description)
Mediocytherideis Mandelstam, 1956 † (original description)
Mojarowskia Nikolaeva, 1956 † (original description)
Mongolianella Mandel'shtam, 1956 † (original description)
Monodiexodina Sosnina, 1956 † (original description)
Monoleaia Miroshnichenko, 1956 † (original description)
Moyerella Nekhoroshev, 1956 † (original description)
Neoarchaediscus Miklukho-Maklay, 1956 † (original description)
Ordovicia Neckaja, 1956 † (original description)
Origoilyocypris Mandel'shtam, 1956 † (original description)
Orthella Bykova, 1956 † (original description)