Adeorbis fragilis G. O. Sars, 1878 accepted as Rugulina fragilis (G. O. Sars, 1878) (original description)
Admete viridula var. producta G. O. Sars, 1878 accepted as Admete viridula (O. Fabricius, 1780) (original description)
Arca pectunculoides var. septentrionalis G. O. Sars, 1878 accepted as Bathyarca pectunculoides (Scacchi, 1835) (original description)
Auriculina coarctata G. O. Sars, 1878 accepted as Ondina coarctata (G. O. Sars, 1878) (original description)
Auriculina insculpta (Montagu, 1808) accepted as Ondina divisa (J. Adams, 1797) (basis of record)
Auriculina insculpta var. nobilis G. O. Sars, 1878 accepted as Ondina divisa (J. Adams, 1797) (original description)
Axinopsis G. O. Sars, 1878 accepted as Axinopsida Keen & Chavan, 1951 (original description)
Axinopsis orbiculata G. O. Sars, 1878 accepted as Axinopsida orbiculata (G. O. Sars, 1878) (original description)
Bela angulosa G. O. Sars, 1878 accepted as Propebela angulosa (G. O. Sars, 1878) (original description)
Bela assimilis G. O. Sars, 1878 accepted as Propebela assimilis (G. O. Sars, 1878) (original description)
Bela bicarinata var. rufescens G. O. Sars, 1878 accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842) (original description)
Bela conoidea G. O. Sars, 1878 accepted as Curtitoma conoidea (G. O. Sars, 1878) (original description)
Bela expansa G. O. Sars, 1878 accepted as Lusitanops expansus (G. O. Sars, 1878) (original description)
Bela obliqua G. O. Sars, 1878 accepted as Oenopota obliqua (G. O. Sars, 1878) (original description)
Bela pyramidalis var. semiplicata G. O. Sars, 1878 accepted as Oenopota pyramidalis (Strøm, 1788) (original description)
Bela scalaris var. ecarinata G. O. Sars, 1878 accepted as Propebela scalaris (Møller, 1842) (original description)
Bela scalaroides G. O. Sars, 1878 accepted as Propebela scalaroides (G. O. Sars, 1878) (original description)
Bela tenuicostata G. O. Sars, 1878 accepted as Oenopota tenuicostata (G. O. Sars, 1878) (original description)
Bela violacea var. laevior G. O. Sars, 1878 accepted as Curtitoma violacea (Mighels & C. B. Adams, 1842) (original description)
Boreochiton G. O. Sars, 1878 (original description)
Boreofusus G. O. Sars, 1878 accepted as Troschelia Mörch, 1876 (original description)
Boreofusus berniciensis var. solida G. O. Sars, 1878 accepted as Troschelia berniciensis (W. King, 1846) (original description)
Buccinum conoideum G. O. Sars, 1878 (original description)
Buccinum donovani G. O. Sars, 1878 accepted as Buccinum undatum Linnaeus, 1758 (original description)
Buccinum fragile Verkrüzen, 1878 (original description)
Buccinum patulum G. O. Sars, 1878 accepted as Buccinum cyaneum Bruguière, 1789 (original description)
Buccinum pulchellum G. O. Sars, 1878 (original description)
Buccinum tumidulum G. O. Sars, 1878 (original description)
Buccinum undatum var. caerulea G. O. Sars, 1878 accepted as Buccinum undatum Linnaeus, 1758 (original description)
Cadulus propinquus G. O. Sars, 1878 (original description)
Chiton abyssorum G. O. Sars, 1878 accepted as Hanleya hanleyi (W. Bean, 1844) (original description)
Cingula tumidula G. O. Sars, 1878 accepted as Pusillina tumidula (G. O. Sars, 1878) (original description)
Cyamiidae G. O. Sars, 1878 (original description)
Cyclostrema areolatum G. O. Sars, 1878 accepted as Skenea areolata (G. O. Sars, 1878) (original description)
Cyclostrema rugulosum G. O. Sars, 1878 accepted as Skenea rugulosa (G. O. Sars, 1878) (original description)
Dendronotus velifer G. O. Sars, 1878 (original description)
Doridunculus G. O. Sars, 1878 (original description)
Doridunculus echinulatus G. O. Sars, 1878 (original description)
Hemiaclis G. O. Sars, 1878 (original description)
Hemiaclis glabra G. O. Sars, 1878 accepted as Hemiaclis ventrosa (Friele, 1876) (original description)
Homalogyra atomus (R. A. Philippi, 1841) accepted as Omalogyra atomus (R. A. Philippi, 1841) (additional source)
Kelliella abyssicola M. Sars, 1870 accepted as Kelliella miliaris (R. A. Philippi, 1844) (source of synonymy)
Kelliella miliaris (R. A. Philippi, 1844) (new combination reference)
Lepidopleurus arcticus G. O. Sars, 1878 accepted as Leptochiton arcticus (G. O. Sars, 1878) (original description)
Liostomia G. O. Sars, 1878 (original description)
Lophodoris G. O. Sars, 1878 (original description)
Lophyrus G. O. Sars, 1878 accepted as Stenosemus Middendorff, 1847 (original description)
Lophyrus exaratus G. O. Sars, 1878 accepted as Stenosemus exaratus (G. O. Sars, 1878) (original description)
Lovenella G. O. Sars, 1878 accepted as Cerithiella A. E. Verrill, 1882 (original description)
Meyeria pusilla M. Sars, 1878 accepted as Metzgeria alba (Jeffreys, 1873) (original description)
Neaera glacialis G. O. Sars, 1878 accepted as Cuspidaria glacialis (G. O. Sars, 1878) (original description)
Neaera jugosa S. V. Wood, 1857 accepted as Cuspidaria jugosa (S. V. Wood, 1857) (basis of record)
Neaera subtorta G. O. Sars, 1878 accepted as Cuspidaria subtorta (G. O. Sars, 1878) (original description)
Nicania banksii var. globosa G. O. Sars, 1878 accepted as Tridonta montagui (Dillwyn, 1817) (original description)
Odostomia turgida G. O. Sars, 1878 (original description)
Omalaxis supranitida (S. V. Wood, 1848) sensu G. O. Sars, 1878 accepted as Orbitestella sarsi (K. J. Bush, 1897) (basis of record)
Omalogyridae G. O. Sars, 1878 (original description)
Pecchiolia abyssicola G. O. Sars, 1872 accepted as Lyonsiella abyssicola (G. O. Sars, 1872) (additional source)
Pecten abyssorum G. O. Sars, 1878 accepted as Delectopecten vitreus (Gmelin, 1791) (original description)
Pecten sulcatus var. crebricostata G. O. Sars, 1878 accepted as Pseudamussium sulcatum (O. F. Müller, 1776) accepted as Karnekampia sulcata (O. F. Müller, 1776) (original description)
Pecten sulcatus var. typica G. O. Sars, 1878 accepted as Pseudamussium sulcatum (O. F. Müller, 1776) accepted as Karnekampia sulcata (O. F. Müller, 1776) (original description)
Philine cingulata G. O. Sars, 1878 accepted as Philine finmarchica M. Sars, 1859 accepted as Praephiline finmarchica (M. Sars, 1859) (original description)
Philine fragilis G. O. Sars, 1878 accepted as Philine finmarchica M. Sars, 1859 accepted as Praephiline finmarchica (M. Sars, 1859) (original description)
Philine velutinoides G. O. Sars, 1878 accepted as Philine ventricosa (Jeffreys, 1865) accepted as Laona ventricosa (Jeffreys, 1865) (original description)
Philine vitrea (M. Sars, 1870) sensu G. O. Sars, 1878 accepted as Philine infortunata Pilsbry, 1895 (basis of record)
Pilidium radiatum (M. Sars, 1851) accepted as Piliscus commodus (Middendorff, 1851) (new combination reference)
Raphitoma amoena G. O. Sars, 1878 accepted as Nepotilla amoena (G. O. Sars, 1878) (original description)
Rissoa interrupta var. bifasciata G. O. Sars, 1878 accepted as Rissoa parva (da Costa, 1778) (original description)
Scalaria greenlandica var. crebricostata G. O. Sars, 1878 accepted as Boreoscala greenlandica (Perry, 1811) (original description)
Sipho sarsi G. O. Sars, 1878 accepted as Turrisipho moebii (Dunker & Metzger, 1875) (original description)
Sipho tortuosus (Reeve, 1855) accepted as Colus holboelli [sic] accepted as Colus holboellii (Møller, 1842) (basis of record)
Sipho tortuosus var. attenuata G. O. Sars, 1878 accepted as Colus holboelli [sic] accepted as Colus holboellii (Møller, 1842) (original description)
Siphonodentalium affine M. Sars, 1865 accepted as Pulsellum affine (M. Sars, 1865) (additional source)
Spirotropis G. O. Sars, 1878 (original description)
Tellimya nivea G. O. Sars, 1878 accepted as Tellimya ferruginosa (Montagu, 1808) (original description)
Tellimya ovalis G. O. Sars, 1878 accepted as Tellimya tenella (Lovén, 1846) (original description)
Thracia truncata var. devexa G. O. Sars, 1878 accepted as Thracia devexa G. O. Sars, 1878 (original description)
Trachysma delicata var. expansa G. O. Sars, 1878 accepted as Torellia delicata (R. A. Philippi, 1844) (original description)
Trophon clavatus G. O. Sars, 1878 accepted as Boreotrophon clavatus (G. O. Sars, 1878) (original description)
Turritellopsis G. O. Sars, 1878 (original description)
Typhlomangelia G. O. Sars, 1878 (original description)
Utriculus truncatulus (Bruguière, 1792) accepted as Retusa truncatula (Bruguière, 1792) (basis of record)
Utriculus truncatulus var. pellucida (T. Brown, 1827) accepted as Retusa truncatula (Bruguière, 1792) (basis of record)