Acartia clausii Giesbrecht, 1892 (basis of record)
Aix galericulata (Linnaeus, 1758) (basis of record)
Alopochen aegyptiaca (Linnaeus, 1766) (basis of record)
Alvania beanii calathus (Forbes & Hanley, 1850) accepted as Alvania beanii (Hanley, 1844) (basis of record)
Amphiascus propinquus Sars G.O., 1906 accepted as Mesamphiascus propinquus (Sars G.O., 1906) accepted as Sarsamphiascus propinquus (Sars G.O., 1906) (additional source)
Amphitoe gammaroides Spence Bate, 1857 accepted as Ampithoe gammaroides (Spence Bate, 1857) accepted as Pleonexes gammaroides Spence Bate, 1857 (basis of record)
Amphitoe helleri accepted as Ampithoe helleri Karaman, 1975 accepted as Pleonexes helleri (Karaman, 1975) (basis of record)
Amphitoe rubricata (Montagu, 1808) accepted as Ampithoe rubricata (Montagu, 1808) (basis of record)
Anas formosa Georgi, 1775 accepted as Sibirionetta formosa (Georgi, 1775) (basis of record)
Anchistrocheles acerosa (Brady, 1868) Brady & Norman, 1889 (basis of record)
Anemonia rustica (basis of record)
Anonyx lilljeborgii Boeck, 1871 accepted as Anonyx lilljeborgi Boeck, 1871 (basis of record)
Anser anser (Linnaeus, 1758) (basis of record)
Anser brachyrhynchus Baillon, 1834 (basis of record)
Anser erythropus (Linnaeus, 1758) (basis of record)
Anser fabalis (Latham, 1787) (basis of record)
Antinoella sarsi promamme (Malmgren, 1867) accepted as Bylgides promamme (Malmgren, 1867) (additional source)
Artioposthia Graff, 1896 (basis of record)
Artioposthia triangulata (Dendy, 1895) accepted as Arthurdendyus triangulatus (Dendy, 1894) Jones & Gerard, 1999 (basis of record)
Asplanchna brightwelli Gosse, 1850 accepted as Asplanchna brightwellii Gosse, 1850 (basis of record)
Athelgue lorifera Hesse, 1876 accepted as Athelges cladophorus Gerstaecker, 1862 (basis of record)
Atyaephyra desmaresti (Millet, 1831) accepted as Atyaephyra desmarestii (Millet, 1831) (basis of record)
Axinella microdragma (Lendenfeld, 1897) accepted as Axinella infundibuliformis (Linnaeus, 1759) (basis of record)
Axinella multiformis (Vosmaer, 1885) accepted as Acanthella multiformis Vosmaer, 1885 (basis of record)
Axinella thielei (Topsent, 1898) accepted as Higginsia thielei Topsent, 1898 (basis of record)
Aythya nyroca (Güldenstädt, 1770) (basis of record)
Baeria johnstonii (Carter, 1871) accepted as Leuconia johnstonii Carter, 1871 (basis of record)
Baeria nivea (Grant, 1826) accepted as Leuconia nivea (Grant, 1826) (basis of record)
Bathyarca petunculoides [sic] accepted as Bathyarca pectunculoides (Scacchi, 1835) (basis of record)
Bdellocephala de Man, 1875 (basis of record)
Bdellocephala punctata (Pallas, 1774) (basis of record)
Belbolla gallanachmorae (Inglis, 1961) Andrássy, 1973 (basis of record)
Bipalium Stimpson, 1857 (basis of record)
Bipalium kewense Moseley, 1878 (basis of record)
Bonnyannella Athersuch, 1982 (basis of record)
Bonnyannella robertsoni (Brady, 1868) (basis of record)
Boreocingula globuloides (Warén, 1972) accepted as Elachisina globuloides (Warén, 1972) (basis of record)
Branta ruficollis (Pallas, 1769) (basis of record)
Burhinus oedicnemus (Linnaeus, 1758) (basis of record)
Byblis gaimardii (Krøyer, 1846) (basis of record)
Calidris fusicollis (Vieillot, 1819) accepted as Calidris fuscicollis (Vieillot, 1819) (basis of record)
Campylaimus lefevrei Gerlach, 1956 accepted as Campylaimus lefeverei Gerlach, 1956 (basis of record)
Cancrion pilipedi Bourdon, 1960 (basis of record)
Carinaria challengeri Bonnevie, 1920 accepted as Carinaria pseudorugosa Vayssière, 1904 (basis of record)
Carinaria lamarckii Blainville, 1817 (basis of record)
Catanema macintyrei Platt & Zhang, 1982 accepted as Robbea macintyrei (Platt & Zhang, 1982) Tchesunov, 2013 (basis of record)
Cephalobrachia Bonnevie, 1913 (basis of record)
Cephalobrachia bonnevii Massy, 1917 (basis of record)
Cerberilla bernadetti J. Tardy, 1965 accepted as Cerberilla bernadettae J. Tardy, 1965 (basis of record)
Cerithiopsis barleii [sic] accepted as Cerithiopsis barleei Jeffreys, 1867 (basis of record)
Cerithiopsis pulchella Jeffreys, 1858 accepted as Cerithiopsis jeffreysi R. B. Watson, 1885 (basis of record)
Cestoplana rubrocincta (Grube, 1840) (basis of record)
Chaetogaster crystallinus Vejdovský, 1884 accepted as Chaetogaster cristallinus Vejdovský, 1884 (basis of record)
Chaetopterus sarsi [auctt. misspelling for sarsii] accepted as Chaetopterus sarsii Boeck in Sars, 1861 (additional source)
Cheirocratus sundevallii (Rathke, 1843) (additional source)
Chelonaplysilla schoenus (Carter, 1876) accepted as Chelonaplysilla noevus (Carter, 1876) (basis of record)
Chettusia leucurus (Lichtenstein, 1823) accepted as Vanellus leucurus (Lichtenstein, 1823) (basis of record)
Chirundina streetsii Giesbrecht, 1895 (additional source)
Chlamys subsulcata (Locard, 1898) accepted as Flexopecten glaber (Linnaeus, 1758) (basis of record)
Choniostoma hanseni Giard & Bonnier, 1889 (additional source)
Chrysallida simulans (Chaster, 1898) (basis of record)
Circe rosea Forbes, 1848 accepted as Aglantha digitale (O. F. Müller, 1776) (basis of record)
Cladonemidae Gegenbaur, 1857 accepted as Cladonematidae Gegenbaur, 1857 (basis of record)
Clava cornea Wright, 1857 accepted as Clava multicornis (Forsskål, 1775) (basis of record)
Clava diffusa Allman, 1863 accepted as Clava multicornis (Forsskål, 1775) (basis of record)
Cognettia glandulosa (Michaelsen, 1888) (basis of record)
Cognettia sphagnetorum (Veydovsky, 1878) (basis of record)
Conchoecilla lacerta Brady & Norman, 1896 accepted as Conchoecilla daphnoides Claus, 1890 (basis of record)
Crenobia Kenk, 1930 (basis of record)
Crenobia alpina (Dana, 1766) (basis of record)
Crossophorus imperator Brady, 1880 accepted as Azygocypridina imperator (Brady, 1880) (basis of record)
Crucibranchaea Pruvot-Fol, 1942 accepted as Pneumodermopsis W. Keferstein, 1862 (basis of record)
Crucibranchaea macrochira (Meisenheimer, 1905) accepted as Pneumodermopsis macrochira Meisenheimer, 1905 (basis of record)
Crucibranchaea michaelsarsi (Bonnevie, 1913) accepted as Pneumodermopsis michaelsarsi Bonnevie, 1913 (basis of record)
Cryptocelis equiteni Hallez, 1888 (basis of record)
Cursorius cursor (Latham, 1787) (basis of record)
Cycloporus maculatus Hallez, 1893 (basis of record)
Cypridopsis aculeata (Costa) (basis of record)
Cystisoma neptunus Guérin-Méneville, 1842 (basis of record)
Cythere acuta Baird, 1850 (basis of record)
Cythere gibbosa Brady & Robertson, 1889 accepted as Elofsonia baltica (Hirschmann, 1909) (basis of record)
Cythereis angulata Sars, 1866 accepted as Finmarchinella (Barentsovia) angulata (Sars, 1866) (basis of record)
Cythereis fidicula (Brady & Robertson, 1889) (basis of record)
Cythereis finmarchica Sars, 1866 accepted as Finmarchinella finmarchica (Sars, 1866) (basis of record)
Cythereis navicula (Norman) (basis of record)
Cytherura concentrica Crosskey, Brady & Robertson in Brady, 1870 (basis of record)
Desmosoma filipes Hult, 1936 accepted as Eugerda filipes (Hult, 1936) (basis of record)
Diplodonta rotundata var. eddystonia (J. T. Marshall, 1895) accepted as Diplodonta rotundata (Montagu, 1803) (basis of record)
Dolichoplana Moseley, 1877 (basis of record)
Dolichoplana striata Moseley, 1877 (basis of record)
Doto pinnatifida var. papillifera Eliot, 1910 accepted as Doto pinnatifida (Montagu, 1804) (basis of record)
Echinoderes worthingii Zelinka, 1928 (basis of record)
Enchytraeus lacteus Nielsen & Christensen, 1961 (basis of record)
Enteromorpha roberti-lamii H. Parriaud accepted as Enteromorpha robertii-lamii H.Parriaud, 1961 (basis of record)
Enteroxenos ostergreni Bonnevie, 1902 accepted as Enteroxenos oestergreni Bonnevie, 1902 (basis of record)
Epilepton subtrigonum (de Folin & Périer, 1876) accepted as Epilepton subtrigonum (P. Fischer, 1874) (basis of record)
Esperiopsis schmidtii Arnesen, 1903 accepted as Echinostylinos schmidtii (Arnesen, 1903) (additional source)
Eumastia appendiculata (Schmidt, 1875) accepted as Halichondria (Halichondria) panicea (Pallas, 1766) (basis of record)
Euryte minor Scott T., 1905 (basis of record)
Fridericia bulbosa (Rosa, 1887) (basis of record)