Bythocythere Sars, 1866 (original description)
Cythere castanea Sars, 1866 accepted as Leptocythere castanea (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 villosa Sars, 1866 accepted as Hemicythere villosa (Sars, 1866) (original description)
Cytheropteron Sars, 1866 (original description)
Cytherura Sars, 1866 (original description)
Cytherura (Semicytherura) acuticostata Sars, 1866 accepted as Semicytherura acuticostata (Sars, 1866) (original description)
Cytherura (Semicytherura) sella Sars, 1866 accepted as Semicytherura sella (Sars, 1866) (original description)
Cytherura clathrata Sars, 1866 accepted as Hemicytherura clathrata (Sars, 1866) (original description)
Cytherura striata Sars, 1866 accepted as Semicytherura striata (Sars, 1866) (original description)
Cytherura undata Sars, 1866 accepted as Semicytherura undata (Sars, 1866) (original description)
Loxoconcha Sars, 1866 (original description)
Paradoxostoma abbreviata Sars, 1866 (original description)
Paradoxostoma fischeri Sars, 1866 accepted as Cytherois fischeri (Sars, 1866) (original description)
Paradoxostoma variabile (Baird, 1835) accepted as Boreostoma variabile (Baird, 1835) (new combination reference)
Podocopida (original description)
Pontocypris Sars, 1866 (original description)
Pontocypris trigonella Sars, 1866 accepted as Propontocypris trigonella (Sars, 1866) (original description)
Sclerochilus Sars, 1866 (original description)
Sclerochilus contortus (Norman, 1862) (new combination reference)
Xestoleberis Sars, 1866 (original description)
Xestoleberis aurantia (Baird, 1838) (new combination reference)
Xestoleberis depressa Sars, 1866 (original description)