Achnanthes parvula Kützing, 1844 (basis of record)
Acontiophorus Brady, 1880 (additional source)
Acontiophorus scutatus (Brady & Robertson, 1873) (additional source)
Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (basis of record)
Amphora proteus Gregory, 1857 (basis of record)
Asterionellopsis glacialis (Castracane) Round, 1990 accepted as Asterionella glacialis Castracane, 1886 (basis of record)
Aulacoseira distans (Ehrenberg) Simonsen, 1979 † (basis of record)
Bacillaria paxillifer (O.F.Müller) T.Marsson, 1901 accepted as Bacillaria paxillifera (O.F.Müller) T.Marsson, 1901 (basis of record)
Brockmanniella brockmannii (Hustedt) Hasle, Stosch & Syvertsen, 1983 accepted as Plagiogramma brockmanni var. brockmanni Hustedt, 1939 (basis of record)
Chaetoceros compressus Lauder, 1864 (basis of record)
Chaetoceros crinitus F.Schütt, 1895 (basis of record)
Chaetoceros danicus Cleve, 1889 (basis of record)
Chaetoceros decipiens Cleve, 1873 (basis of record)
Chaetoceros diadema (Ehrenberg) Gran, 1897 accepted as Syndendrium diadema Ehrenberg, 1854 † (basis of record)
Chaetoceros didymus Ehrenberg, 1845 (basis of record)
Chaetoceros fragilis Meunier, 1910 (basis of record)
Chaetoceros similis Cleve, 1896 (basis of record)
Chaetoceros socialis H.S.Lauder, 1864 (basis of record)
Chaetoceros teres Cleve, 1896 (basis of record)
Chlamydomonas coccoides Butcher, 1959 (basis of record)
Clausiidae Giesbrecht, 1895 (additional source)
Corethron criophilum Castracane, 1886 (basis of record)
Corycaeidae Dana, 1846 (additional source)
Coscinodiscus radiatus Ehrenberg, 1840 (basis of record)
Cryptophyta (additional source)
Delphineis surirella (Ehrenberg) G.W.Andrews, 1981 † accepted as Zygoceros surirella Ehrenberg, 1840 (basis of record)
Diploneis bombus (Ehrenberg) Ehrenberg, 1853 (basis of record)
Diploneis oculata (Brébisson) Cleve, 1894 accepted as Navicula oculata f. oculata Brebisson in Desmazieres, 1854 (basis of record)
Ditrichocorycaeus anglicus (Lubbock, 1857) (additional source)
Eutreptiella hirudoidea Butcher, 1961 (basis of record)
Evadne Lovén, 1836 (additional source)
Evadne nordmanni Lovén, 1836 (additional source)
Guinardia striata (Stolterfoth) Hasle, 1996 accepted as Eucampia striata Stolterfoth, 1879 (basis of record)
Gymnodinium splendens Lebour, 1925 accepted as Akashiwo sanguinea (K.Hirasaka) Gert Hansen & Moestrup, 2000 (additional source)
Haslea ostrearia (Gaillon) Simonsen, 1974 accepted as Vibrio ostrearius Gaillon, 1820 (basis of record)
Hemicyclops purpureus Boeck, 1873 (additional source)
Imantonia rotunda N.Reynolds, 1974 accepted as Dicrateria rotunda (N.Reynolds) El M.Bendif & I.Probert, 2014 (basis of record)
Lauderia annulata Cleve, 1873 (basis of record)
Meuniera membranacea (Cleve) P.C.Silva, 1996 accepted as Navicula membranacea Cleve, 1897 (basis of record)
Navicula J.B.M. Bory de Saint-Vincent, 1822 (basis of record)
Navicula cryptocephala Kützing, 1844 (basis of record)
Navicula distans (W.Smith) Ralfs, 1861 accepted as Pinnularia distans W.Smith, 1853 (basis of record)
Navicula marina Ralfs, 1861 accepted as Petroneis marina (Ralfs) D.G.Mann, 1990 accepted as Navicula marina var. marina Ralfs in Pritchard, 1861 (basis of record)
Navicula tripunctata (O.F.Müller) Bory de Saint-Vincent, 1822 accepted as Vibrio tripunctatus O.F.Müller, 1786 (basis of record)
Nitzschia dissipata (Kützing) Rabenhorst, 1860 accepted as Synedra dissipata var. dissipata Kützing, 1844 (basis of record)
Nitzschia longissima (Brébisson) Ralfs, 1861 (basis of record)
Odontella rhombus (Ehrenberg) Kützing, 1849 accepted as Zygoceros rhombus Ehrenberg, 1839 (basis of record)
Pleurosigma naviculaceum Brébisson, 1854 (basis of record)
Pleurosigma normanii Ralfs, 1861 (basis of record)
Podonidae Mordukhai-Boltovskoi, 1968 (additional source)
Pseudo-nitzschia delicatissima (Cleve) Heiden, 1928 (basis of record)
Pseudo-nitzschia seriata (Cleve) H.Peragallo, 1899 (basis of record)
Rhizosolenia delicatula Cleve, 1900 (basis of record)
Rhizosolenia imbricata Brightwell, 1858 (basis of record)
Rhizosolenia pungens Cleve-Euler, 1937 represented as Sundstroemia pungens (Cl.-Euler) Medlin, Lundholm, Boonprakob, Moestrup in Medlin et al., 2021 (basis of record)
Rhizosolenia setigera Brightwell, 1858 represented as Sundstroemia setigera (Brightwell) Medlin in Medlin et al., 2021 (basis of record)
Rhizosolenia shrubsolei Cleve, 1881 (basis of record)
Striatella unipunctata (Lyngbye) C.Agardh, 1832 accepted as Fragilaria unipunctata Lyngbye, 1819 (basis of record)
Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977 (basis of record)
Trachyneis aspera (Ehrenberg) Cleve, 1894 (basis of record)

North Sea for Actinocyclus octonarius Ehrenberg, 1837