Argilloecia Sars, 1866 (original description)
Bythocythere Sars, 1866 (original description)
Bythocythere constricta Sars, 1866 (original description)
Bythocythere dromedaria Sars, 1866 (original description)
Cythereis abyssicola Sars, 1866 accepted as Muellerina abyssicola (Sars, 1866) (original description)
Cytherella abyssorum Sars, 1866 (original description)
Cytheropteron Sars, 1866 (original description)
Cytheropteron alatum Sars, 1866 (original description)
Cytherura Sars, 1866 (original description)
Cytherura (Semicytherura) affinis Sars, 1866 accepted as Semicytherura affinis Sars, 1866 (original description)
Cytherura gibba (Müller, 1785) (new combination reference)
Loxoconcha Sars, 1866 (original description)
Myodocopida (original description)
Myodocopina (original description)
Paradoxostoma obliquum Sars, 1866 (original description)
Paradoxostoma rostratum Sars, 1866 (original description)
Platycopa accepted as Platycopida (original description)
Podocopida (original description)
Polycope Sars, 1866 (original description)
Polycope orbicularis 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)