Acanthodoris pilosa (Abildgaard, 1789) (additional source)
Achnanthes longipes C.Agardh, 1824 (additional source)
Achnanthes taeniata Grunow, 1880 accepted as Pauliella taeniata (Grunow) F.E.Round & P.W.Basson, 1997 (basis of record)
Actinocyclus normanii f. subsalsus (Juhlin-Dannfelt) Hustedt (additional source)
Actinoptychus senarius (Ehrenberg) Ehrenberg, 1843 accepted as Actinocyclus senarius Ehrenberg, 1838 (additional source)
Alaria esculenta (Linnaeus) Greville, 1830 (additional source)
Amphora ovalis (Kützing) Kützing, 1844 (additional source)
Ascidia callosa Stimpson, 1852 (additional source)
Ascophyllum nodosum (Linnaeus) Le Jolis, 1863 (additional source)
Asterionella japonica Cleve, 1882 (additional source)
Auliscus sculptus (W.Smith) Brightwell, 1860 accepted as Eupodiscus sculptus W.Smith, 1853 (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Bacillaria paxillifer (O.F.Müller) T.Marsson, 1901 accepted as Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 (additional source)
Balaenoptera acutorostrata Lacépède, 1804 (additional source)
Balaenoptera physalus (Linnaeus, 1758) (additional source)
Biddulphia alternans (Bailey) Van Heurck, 1885 accepted as Trigonium alternans (Bailey) A.Mann, 1907 accepted as Triceratium alternans f. alternans J.W. Bailey, 1851 (additional source)
Biddulphia bailey W. Smith, 1856 accepted as Biddulphia mobiliensis (J.W.Bailey) Grunow, 1882 accepted as Trieres mobiliensis (J.W.Bailey) Ashworth & E.C.Theriot in Ashworth, Nakov & E.C.Theiriot, 2013 (basis of record)
Biddulphia pulchella S.F.Gray, 1821 accepted as Biddulphia biddulphiana (J.E.Smith) Boyer, 1900 (additional source)
Boltenia echinata (Linnaeus, 1767) (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Brebissonia boeckii (Ehrenberg) E.O'Meara, 1875 accepted as Cocconema boeckii Ehrenberg, 1838 (additional source)
Cerataulina pelagica (Cleve) Hendey, 1937 accepted as Cerataulina bergonii Ostenfeld, 1903 (additional source)
Ceratium furca (Ehrenberg) Claparède & Lachmann, 1859 accepted as Tripos furca (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium fusus (Ehrenberg) Dujardin, 1841 accepted as Tripos fusus (Ehrenberg) F.Gómez, 2013 (additional source)
Ceratium tripos (O.F.Müller) Nitzsch, 1817 accepted as Tripos muelleri Bory de Saint-Vincent, 1826 (additional source)
Chaetoceros atlanticus Cleve, 1873 (additional source)
Chaetoceros borealis Bailey, 1854 (additional source)
Chaetoceros compressus Lauder, 1864 (additional source)
Chaetoceros concavicornis Mangin, 1917 (additional source)
Chaetoceros constrictus Gran, 1897 (additional source)
Chaetoceros convolutus Castracane, 1886 (additional source)
Chaetoceros curvisetus Cleve, 1889 (additional source)
Chaetoceros danicus Cleve, 1889 (additional source)
Chaetoceros debilis Cleve, 1894 emend Xu, Y.Li & Lundholm in Xu et al., 2020 (additional source)
Chaetoceros decipiens Cleve, 1873 (additional source)
Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (additional source)
Chaetoceros didymus Ehrenberg, 1845 (additional source)
Chaetoceros furcellatus Yendo, 1911 (additional source)
Chaetoceros laciniosus F.Schütt, 1895 (additional source)
Chaetoceros lorenzianus Grunow, 1863 (additional source)
Chaetoceros radians F.Schütt, 1895 (additional source)
Chaetoceros socialis H.S.Lauder, 1864 (additional source)
Chaetoceros teres Cleve, 1896 (additional source)
Chaetoceros willei Gran, 1897 (additional source)
Chondrus crispus Stackhouse, 1797 (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Cocconeis scutellum Ehrenberg, 1838 (additional source)
Corethron criophilum Castracane, 1886 (additional source)
Coscinodiscus asteromphalus Ehrenberg, 1844 (additional source)
Coscinodiscus centralis Ehrenberg, 1844 (additional source)
Coscinodiscus concinnus W.Smith, 1856 (additional source)
Coscinodiscus eccentricus Ehrenberg, 1840 † (additional source)
Coscinodiscus normanii Gregory ex Greville, 1859 (basis of record)
Coscinodiscus oculusiridis Ehrenberg, 1840 accepted as Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (additional source)
Cyclotella operculata (C.Agardh) Brébisson, 1838 accepted as Frustulia operculata C.Agardh, 1827 accepted as Epithemia operculata (C.Agardh) Ruck & Nakov (basis of record)
Dendrodoa carnea (Agassiz, 1850) (additional source)
Dendrodoa grossularia (Van Beneden, 1846) (additional source)
Detonula confervacea (Cleve) Gran, 1896 accepted as Lauderia confervacea Cleve, 1896 (additional source)
Devaleraea ramentacea (Linnaeus) Guiry, 1982 (additional source)
Diadumene leucolena (Verrill, 1866) (additional source)
Dinophysis norvegica Claparède & Lachmann, 1859 (additional source)
Diploneis didymus (Ehrenberg) Ehrenberg, 1839 accepted as Pinnularia didyma Ehrenberg, 1844 (additional source)
Diploneis elliptica (Kützing) Cleve, 1894 (additional source)
Diploneis smithii (Brébisson) Cleve, 1894 accepted as Navicula smithii f. smithii Brébisson in W. Smith, 1856 (additional source)
Ditylum brightwellii (T.West) Grunow, 1885 (additional source)
Dumontia contorta (S.G.Gmelin) Ruprecht, 1850 (additional source)
Dumontia incrassata (O.F.Müller) J.V.Lamouroux, 1813 accepted as Dumontia contorta (S.G.Gmelin) Ruprecht, 1850 (additional source)
Enteromorpha intestinalis (Linnaeus) Nees, 1820 accepted as Ulva intestinalis Linnaeus, 1753 (additional source)
Entomoneis alata (Ehrenberg) Ehrenberg, 1845 (basis of record)
Epithemia musculus Kützing, 1844 (additional source)
Eubalaena glacialis (Müller, 1776) (additional source)
Eucampia zodiacus Ehrenberg, 1839 (additional source)
Fragilaria capucina Desmazières, 1830 (additional source)
Fucus distichus Linnaeus, 1767 (additional source)
Fucus spiralis Linnaeus, 1753 (additional source)
Fucus vesiculosus Linnaeus, 1753 (additional source)
Gomphonema marinum (Kützing) W.Smith, 1853 accepted as Gomphonema curvatum var. marinum Kützing, 1844 (basis of record)
Gonyaulax excavata (Braarud) Balech, 1971 accepted as Alexandrium catenella (Whedon & Kofoid) Balech, 1985 (additional source)
Grammatophora marina (Lyngbye) Kützing, 1844 (additional source)
Grammatophora serpentina Ehrenberg, 1844 (additional source)
Guinardia flaccida (Castracane) H.Peragallo, 1892 accepted as Rhizosolenia flaccida Castracane, 1886 (additional source)
Gyrosigma acuminatum (Kützing) Rabenhorst, 1853 (additional source)
Halichoerus grypus (Fabricius, 1791) (additional source)
Halocynthia pyriformis (Rathke, 1806) (additional source)
Hildenbrandia rubra (Sommerfelt) Meneghini, 1841 (additional source)
Hyalodiscus scoticus (Kützing) Grunow, 1879 † (basis of record)
Iophon hyndmani (Bowerbank, 1858) (additional source)
Kogia breviceps (de Blainville, 1838) (additional source)
Leptocylindrus danicus Cleve, 1889 (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Licmophora lyngbyei (Kützing) Grunow ex Van Heurck, 1867 (additional source)
Lineus ruber (Müller, 1774) (additional source)
Mastogloia smithii Thwaites ex W.Smith, 1856 (basis of record)
Melosira crenulata (Ehrenberg) Kützing, 1844 accepted as Gaillonella crenulata var. crenulata Ehrenberg, 1843 (additional source)
Melosira hyperborea Grunow, 1882 (additional source)
Melosira juergensi C. Agardh, 1824 accepted as Melosira lineata (Dillwyn) C.Agardh, 1824 (additional source)
Melosira monoliformis (O.F. Müller) C. Agardh, 1824 accepted as Melosira moniliformis (O.F.Müller) C.Agardh, 1824 (additional source)
Melosira nummuloides C.Agardh, 1824 accepted as Melosira discigera Agardh, 1824 (additional source)
Melosira subflexilis Kützing, 1833 (additional source)