Acanthodiscus clypeolus (Brun) Van Heurck, 1896 † (new combination reference)
Amphipentas punctata (Brightwell) Van Heurck, 1896 accepted as Triceratium punctatum f. punctatum Brightwell, 1856 (new combination reference)
Amphora rostrata van Heurck, 1896 (taxonomy source)
Arachnoidiscus ehrenbergii var. ehrenbergii sensu Van Heurck, 1896 (original description)
Arachnoidiscus ornatus var. ornatus sensu Van Heurck, 1896 (original description)
Asterionella formosa var. bleakeleyi (W.Smith) Van Heurck, 1896 accepted as Asterionella bleakeleyi var. bleakeleyi W. Smith, 1856 (new combination reference)
Auliscus sculptus var. caelata (J.W. Bailey) Van Heurck, 1896 accepted as Auliscus caelatus f. caelatus J.W. Bailey, 1854 (new combination reference)
Baxteria brunii Van Heurck, 1896 (original description)
Biddulphia circinus (Bailey) Van Heurck, 1896 accepted as Zygoceros circinus var. circinus J.W. Bailey, 1854 (new combination reference)
Biddulphia concinnus Van Heurck, 1896 (original description)
Biddulphia consimilis (Grunow in Van Heurck) Boyer, 1900 accepted as Triceratium consimile Grunow in Van Heurck, 1883 (new combination reference)
Biddulphia eulensteinii (Grunow in A. Schmidt) Grunow in Van Heurck, 1896 accepted as Triceratium eulensteinii var. eulensteinii Grunow in Schmidt et al., 1882 (new combination reference)
Biddulphia laevis f. minor (Grunow in Van Heurck) Van Heurck, 1896 accepted as Cerataulus polymorphus f. minor Van Heurck, 1883 (new combination reference)
Biddulphia punctata (Brightwell) Van Heurck, 1896 accepted as Triceratium punctatum f. punctatum Brightwell, 1856 (new combination reference)
Bruniella H. Van Heurck, 1896 (original description)
Bruniella circularis (Brun) Van Heurck, 1896 accepted as Cotyledon circularis Brun, 1891 (new combination reference)
Bruniella coronalis (Brun) Van Heurck, 1896 accepted as Cotyledon coronalis Brun, 1891 (new combination reference)
Campylodiscus decorus f. minima Van Heurck, 1896 (original description)
Campylodiscus hibernicus var. noricus (Ehrenberg; Ehrenberg) van Heurck, 1896 accepted as Campylodiscus noricus var. noricus Ehrenberg ex Kützing, 1844 (new combination reference)
Campylostylus striatus Shadbolt ex Van Heurck, 1896 (original description)
Chaetoceros paradoxus var. eibenii (Grunow) Grunow, 1896 accepted as Chaetoceros eibenii Grunow, 1882 (new combination reference)
Coscinodiscus lamprotediscus Van Heurck, 1896 (original description)
Coscinodiscus radiatus f. asteromphalus (Ehrenberg; Ehrenberg) Van Heurck, 1896 accepted as Coscinodiscus asteromphalus var. asteromphalus Ehrenberg, 1844 (new combination reference)
Coscinodiscus radiatus var. centralis (Ehrenberg; Ehrenberg) Van Heurck, 1896 accepted as Coscinodiscus centralis f. centralis Ehrenberg, 1838 (new combination reference)
Coscinodiscus radiatus var. concinnus (W. Smith) Van Heurck, 1896 accepted as Coscinodiscus concinnus var. concinnus W. Smith, 1856 (new combination reference)
Coscinodiscus radiatus var. jonesianus (Greville) Van Heurck, 1896 accepted as Eupodiscus jonesianus Greville, 1862 (new combination reference)
Coscinodiscus radiatus var. oculusiridis (Ehrenberg; Ehrenberg) Van Heurck, 1896 accepted as Coscinodiscus oculus-iridis var. oculus-iridis Ehrenberg, 1840 (new combination reference)
Cymatopleura elliptica var. hibernica (W.Smith) Hustedt accepted as Cymatopleura hibernica W.Smith, 1851 accepted as Surirella hibernica (W.Smith) D.Kapustin & O.Kryvosheia in Kryosheia & Kapustin, 2019 (new combination reference)
Cymbella amphicephala var. anglica (Lagerstedt) van Heurck, 1896 † accepted as Cymbella anglica Lagerstedt, 1873 † (new combination reference)
Cymbella laevis var. rupicola (Grunow) van Heurck, 1896 accepted as Cymbella rupicola Grunow, 1881 (new combination reference)
Denticella granulata (Roper) Van Heurck, 1896 † accepted as Cerataulus granulatus (Roper) P.A. Sims & D.M. Williams, 2018 † (new combination reference)
Diatoma anceps var. anomalum (W. Smith) Van Heurck, 1896 accepted as Odontidium anomalum f. anomalum W. Smith, 1855 (new combination reference)
Encyonema gracile var. scotica (W. Smith) Van Heurck, 1896 accepted as Cymbella scotica Schmidt in Schmidt et al., 1875 (new combination reference)
Encyonema lunatum (W.Smith) Van Heurck, 1896 accepted as Cymbella lunata W.Smith, 1855 (new combination reference)
Eunotia pectinalis var. soleirolii (Kützing) H.F.Van Heurck, 1896 accepted as Himantidium soleirolii Kützing, 1844 (new combination reference)
Eunotia veneris var. obtusiuscula (Grunow) van Heurck, 1896 accepted as Eunotia incisa var. obtusiuscula Grunow, 1881 (new combination reference)
Fragilaria tenuicollis var. intermedia (Grunow) van Heurck, 1896 accepted as Staurosira intermedia (Grunow) Grunow, 1882 accepted as Fragilaria mutabilis var. intermedia Grunow, 1862 accepted as Fragilaria intermedia (Grunow) Grunow in Van Heurck, 1881 (new combination reference)
Fragilaria undata var. constricta Van Heurck, 1896 (original description)
Gomphonema constrictum f. curta Grunow in Van Heurck, 1880 (new combination reference)
Gomphonema constrictum var. curta (Van Heurck) Zimmermann, 1911 (new combination reference)
Gossleriella radiata Schutt ex Van Heurck, 1896 (original description)
Grammatophora serpentina var. pusilla (Greville) Van Heurck, 1896 accepted as Grammatophora pusilla var. pusilla Greville, 1863 (new combination reference)
Grovea A. Schmidt ex Van Heurck, 1896 † (original description)
Grunoviella H. Van Heurck, 1896 (original description)
Grunoviella gemmata (Grunow) Van Heurck, 1896 accepted as Sceptroneis gemmata Grunow, 1866 † (new combination reference)
Grunoviella marina var. marina (Gregory) Van Heurck, 1896 accepted as Meridion marinum Gregory, 1857 (new combination reference)
Haynaldella antiqua sensu Van Heurck, 1896 (original description)
Haynaldiella J. Pantocsek ex H. Van Heurck, 1896 (original description)
Helminthopsis H. Van Heurck, 1896 accepted as Helminthopsidella P.C. Silva, 1970 † (original description)
Helminthopsis weissflogii Van Heurck, 1896 (original description)
Hyalodiscus subtilis f. minor Van Heurck, 1896 (original description)
Kentrodiscus hungaricus Van Heurck, 1896 (original description)
Leudugeria J. Tempère ex H. Van Heurck, 1896 (original description)
Leudugeria janischii var. janischii (Grunow in Cleve & Moller; Grunow in Van Heurck) Van Heurck, 1896 accepted as Eunotiopsis janischiana Grunow, 1879 (new combination reference)
Licmophora ehrenbergii var. ovata (W.Smith) Van Heurck, 1896 accepted as Podosphenia ovata W.Smith, 1853 (new combination reference)
Muelleriella H. Van Heurck, 1896 † accepted as Muelleriopsis N.I. Hendey, 1972 † (original description)
Muelleriella limbata var. cristagalli (Tempère & Brun in Brun & Tempère) Van Heurck, 1896 (new combination reference)
Muelleriella limbata var. delicatula Van Heurck, 1896 (original description)
Muelleriella limbata var. limbata (Ehrenberg) Van Heurck, 1896 accepted as Pyxidicula limbata Ehrenberg, 1844 (new combination reference)
Navicula advena var. parca (Schmidt in Schmidt et al.) Van Heurck, 1896 accepted as Navicula parca var. parca Schmidt in Schmidt et al., 1875 (new combination reference)
Navicula crucigerum Wm Smith Van Heurck, 1896 (new combination reference)
Navicula fusca var. gregorii (Cleve) Van Heurck, 1896 accepted as Diploneis fusca var. gregorii Cleve, 1894 (new combination reference)
Navicula granulata var. maculosa (Donkin) Van Heurck, 1896 accepted as Navicula maculosa Donkin, 1871 (new combination reference)
Navicula iridis var. affinis (Ehrenberg) Van Heurck accepted as Navicula affinis f. affinis Ehrenberg, 1843 (original description)
Navicula iridis var. firma (Kützing) Van Heurck, 1896 accepted as Navicula firma f. firma Kützing, 1844 (new combination reference)
Navicula nobilis var. gentilis (Donkin) van Heurck, 1896 accepted as Navicula gentilis var. gentilis Donkin, 1872 (new combination reference)
Navicula smithii (C.Agardh) Van Heurck, 1896 accepted as Schizonema smithii var. smithii Agardh, 1824 (new combination reference)
Navicula smithii var. aestiva (Donkin) Van Heurck, 1896 accepted as Navicula aestiva var. aestiva Donkin, 1858 (new combination reference)
Navicula smithii var. scutellum (O'Meara) Van Heurck, 1896 accepted as Pinnularia scutellum O'Meara, 1869 (new combination reference)
Navicula splendida var. puella (Schmidt) van Heurck, 1896 accepted as Navicula puella A.Schmidt, 1875 (new combination reference)
Navicula suborbicularis var. coffeaeformis (Schmidt) Van Heurck, 1896 (new combination reference)
Navicula ulvacea (Berkeley) Cleve, 1894 accepted as Dickieia ulvacea Berkeley ex Kützing, 1844 (new combination reference)
Nitzschia filiformis var. filiformis (W. Smith) Van Heurck, 1896 (new combination reference)
Nitzschia martiana var. martiana (Agardh; Agardh) Van Heurck, 1896 (new combination reference)
Nitzschia paradoxa var. major Van Heurck, 1896 (original description)
Nitzschia subcohaerens var. scotica (Grunow) van Heurck, 1896 accepted as Homoeocladia subcohaerens var. scotica Grunow, 1881 (new combination reference)
Nitzschia subcohaerens var. subcohaerens (Grunow) Van Heurck, 1896 accepted as Homoeocladia subcohaerens var. subcohaerens Grunow, 1878 (new combination reference)
Omphalopelta undulata Van Heurck, 1896 (original description)
Orthotropis lepidoptera var. lepidoptera (Gregory) Van Heurck, 1896 accepted as Amphiprora lepidoptera f. lepidoptera Gregory, 1857 represented as Plagiotropis lepidoptera (Gregory) Kuntze, 1898 (new combination reference)
Orthotropis lepidoptera var. pusilla (Gregory) Van Heurck, 1896 accepted as Amphiprora pusilla var. pusilla Gregory, 1857 (new combination reference)
Orthotropis maxima var. maxima (Gregory) Van Heurck, 1896 accepted as Amphiprora maxima var. maxima Gregory, 1857 (new combination reference)
Perithyra C.G. Ehrenberg ex H. Van Heurck, 1896 (original description)
Perithyra denaria Ehrenberg ex Van Heurck, 1896 (original description)
Perithyra quaternaria Ehrenberg ex Van Heurck, 1896 (original description)
Pleurosigma angulatum var. major (Grunow in Van Heurck) Van Heurck, 1896 (new combination reference)
Pleurosigma attenuatum var. scalprum (Gaillon) Cleve (new combination reference)
Pleurosigma intermedium var. nubecula (W.Smith) Grunow ex Van Heurck, 1896 accepted as Pleurosigma nubecula var. nubecula W. Smith, 1853 (new combination reference)
Ploiaria J. Pantocsek ex Van Heurck, 1896 † (original description)
Podocystis spathulata f. spathulata (Shadbolt) Van Heurck, 1896 accepted as Euphyllodium spathulatum var. spathulatum Shadbolt, 1854 (new combination reference)
Pritchardia insignis var. mediterranea Van Heurck, 1896 (original description)
Pterotheca aculeifera var. aculeifera (Grunow in Van Heurck) Van Heurck, 1896 (new combination reference)
Pyxidicula brevis (Greville) Van Heurck, 1896 accepted as Dictyopyxis brevis Greville, 1862 (new combination reference)
Radiopalma brunii Van Heurck, 1896 (original description)
Reicheltia H. Van Heurck, 1896 (original description)
Reicheltia nobilis (Reichelt ex Tempère) Van Heurck, 1896 accepted as Gomphopleura nobilis Reichelt ex Tempère, 1894 † (new combination reference)
Rhizosolenia imbricata f. shrubsolei (Cleve) Van Heurck, 1896 accepted as Rhizosolenia shrubsolei Cleve, 1881 (new combination reference)
Rutilariopsis H. Van Heurck, 1896 † (original description)
Rutilariopsis recens (Cleve) Van Heurck, 1896 accepted as Rutilaria recens Cleve, 1881 (new combination reference)
Scytellum C.Agardh, 1827 (original description)
Stenopterobia A. de Brébisson ex H. Van Heurck, 1896 (original description)