Argilloecia Sars, 1866 (original description)
Argilloecia cylindrica Sars, 1866 (original description)
Bythocythere Sars, 1866 (original description)
Bythocythere constricta Sars, 1866 (original description)
Bythocythere dromedaria Sars, 1866 (original description)
Bythocythere turgida Sars, 1866 (original description)
Cythereis abyssicola Sars, 1866 accepted as Muellerina abyssicola (Sars, 1866) (original description)
Cythereis angulata Sars, 1866 accepted as Finmarchinella (Barentsovia) angulata (Sars, 1866) (original description)
Cythereis finmarchica Sars, 1866 accepted as Finmarchinella finmarchica (Sars, 1866) (original description)
Cythereis tuberculata Sars, 1866 accepted as Robertsonites tuberculatus (Sars, 1866) (original description)
Cytherella abyssorum Sars, 1866 (original description)
Cytheropteron Sars, 1866 (original description)
Cytheropteron alatum Sars, 1866 (original description)
Cytheropteron subcircinatum Sars, 1866 (original description)
Cytherura Sars, 1866 (original description)
Cytherura (Semicytherura) affinis Sars, 1866 accepted as Semicytherura affinis Sars, 1866 (original description)
Cytherura atra Sars, 1866 (original description)
Cytherura gibba (Müller, 1785) (new combination reference)
Cytherura undata Sars, 1866 accepted as Semicytherura undata (Sars, 1866) (original description)
Loxoconcha Sars, 1866 (original description)
Loxoconcha fragilis Sars, 1866 accepted as Loxocauda fragilis (Sars, 1866) (original description)
Loxoconcha granulata Sars, 1866 accepted as Palmoconcha granulata (Sars, 1866) (original description)
Myodocopida (original description)
Myodocopina (original description)
Paracypris Sars, 1866 (original description)
Paracypris polita Sars, 1866 (original description)
Paradoxostoma abbreviata Sars, 1866 (original description)
Paradoxostoma obliquum Sars, 1866 (original description)
Paradoxostoma pulchellum Sars, 1866 (original description)
Paradoxostoma rostratum Sars, 1866 accepted as Acetabulastoma rostratum (Sars, 1866) (original description)
Paradoxostoma variabile (Baird, 1835) accepted as Boreostoma variabile (Baird, 1835) † (new combination reference)
Platycopa accepted as Platycopida (original description)
Podocopida (original description)
Podocopina accepted as Podocopida (original description)
Polycope Sars, 1866 (original description)
Polycope orbicularis Sars, 1866 (original description)
Pontocypris Sars, 1866 (original description)
Pontocypris hispida Sars, 1866 (original description)
Pontocypris trigonella Sars, 1866 accepted as Propontocypris trigonella (Sars, 1866) (original description)
Pseudocythere Sars, 1866 (original description)
Pseudocythere caudata Sars, 1866 (original description)
Sclerochilus Sars, 1866 (original description)
Sclerochilus contortus (Norman, 1862) (new combination reference)
Semicytherura affinis Sars, 1866 (original description)
Semicytherura similis (Sars, 1866) (original description)
Xestoleberis Sars, 1866 (original description)
Xestoleberis aurantia (Baird, 1838) (new combination reference)
Xestoleberis depressa Sars, 1866 (original description)