Biddulphia advena VanLandingham, 1968 (original description)
Biddulphia pantocsekites VanLandingham, 1968 (original description)
Biddulphia schmidtii var. pustulata ‘Schmidt in Schmidt et al.' VanLandingham, 1885 (taxonomy source)
Biddulphia tridens f. aerodynamica (Jurilj) VanLandingham, 1968 accepted as
Biddulphia tuomeyi f. aerodynamica Jurilj, 1957 (new combination reference)
Biddulphia tridens f. bispina (Jurilj) VanLandingham, 1968 accepted as
Biddulphia tuomeyi f. bispina Jurilj, 1957 (new combination reference)
Biddulphia tridens var. boryana (Pantocsek) VanLandingham, 1968 accepted as
Biddulphia tuomeyi var. boryana Pantocsek, 1889 (new combination reference)
Biddulphia tridens var. contorta (Forti) VanLandingham, 1968 accepted as
Biddulphia tuomeyi f. contorta Forti, 1912 (new combination reference)
Biddulphia tridens var. distenta (Forti) VanLandingham, 1968 accepted as
Biddulphia tuomeyi var. distenta Forti, 1913 (new combination reference)
Biddulphia tridens var. hungarica (Pantocsek) VanLandingham, 1968 accepted as
Biddulphia tuomeyi var. hungarica Pantocsek, 1889 (new combination reference)
Bruniopsis mirabilis ‘(Brun in Brun & Tempère) Karsten' according to VanLandingham, 1968 (taxonomy source)
Caloneis advena VanLandingham, 1968 (original description)
Caloneis biconfusa (Bourrelly & Manguin) Van Landingham (original description)
Caloneis fasciata var. miramaris 'Frenguelli' according to VanLandingham, 1968 (original description)
Caloneis magellanica f. subundulata 'Cleve-Euler' according to VanLandingham, 1948 (original description)
Caloneis silicula var. borivliana (Gonz. & Gandhi) VanLandingham, 1968 accepted as
Caloneis silicula var. truncatula f. borivliana Gonzalves & H.P.Gandhi, 1953 (new combination reference)
Caloneis silicula var. limosa (Kützing) VanLandingham, 1968 accepted as
Navicula limosa f. limosa Kützing, 1844 (new combination reference)
Caloneis westii f. constricta (Krasske) VanLandingham, 1968 (new combination reference)
Caloneis westii var. densestriata (Pros.-Lav) VanLandingham, 1968 accepted as
Caloneis formosa var. densestriata Proschkina-Lavrenko, 1963 (new combination reference)
Caloneis westii var. rostrata (Frenguelli) VanLandingham, 1968 accepted as
Caloneis formosa var. rostrata Frenguelli, 1933 (new combination reference)
Campylodiscus fastuosus var. baldjikianus (Grunow in A. Schmidt) VanLandingham, 1968 accepted as
Campylodiscus thuretii var. baldjikiana Grunow in Schmidt et al., 1877 (new combination reference)
Campylodiscus litorale 'Lemmermann' according to VanLandingham, 1968 (original description)
Campylodiscus neoclevei VanLandingham, 1968 (original description)
Campylodiscus scintillans (Brun) VanLandingham, 1968 accepted as
Campyloneis scintillans Brun, 1896 (new combination reference)
Ceratoneis arcus var. curta (Holmboe) VanLandingham, 1899 accepted as
Ceratoneis arcus f. curta Holmboe, 1899 accepted as
Hannaea arcus (Ehrenberg) R.M.Patrick in Patrick & Reimer, 1966 (new combination reference)
Chaetoceros bulbosum f. unicellularis 'Heiden & Kolbe' VanLandingham, 1968 (original description)
Chaetoceros confusum VanLandingham, 1968 (original description)
Chaetoceros neocompactum VanLandingham, 1968 (original description)
Chaetoceros neogracile S.L.VanLandingham, 1968 accepted as
Chaetoceros neogracilis VanLand., 1968 (original description)
Cocconeis jimboites VanLandingham, 1968 (original description)
Cocconeis neogranulata VanLandingham, 1968 (original description)
Cocconeis problematica Van Landingham, 1967 (original description)
Coscinodiscus alienus VanLandingham, 1968 (original description)
Coscinodiscus anomalus VanLandingham, 1968 (original description)
Coscinodiscus barkeri VanLandingham, 1968 (original description)
Coscinodiscus biconfusus VanLandingham, 1968 (original description)
Coscinodiscus decoratus 'Cleve-Euler' according to VanLandingham (original description)
Coscinodiscus exceptus VanLandingham, 1968 (original description)
Coscinodiscus expectus VanLandingham, 1968 (original description)
Coscinodiscus karstenii VanLandingham, 1968 (original description)
Coscinodiscus lohmanites VanLandingham, 1968 (original description)
Coscinodiscus neocrenulatus var. neocrenulatus VanLandingham, 1968 (original description)
Coscinodiscus neocrenulatus var. nodulifer (Lohman) VanLandingham, 1968 accepted as
Coscinodiscus crenulatus var. nodulifer Lohman, 1941 (new combination reference)
Coscinodiscus pantocsekites VanLandingham, 1968 (original description)
Coscinodiscus problematicus VanLandingham, 1968 (original description)
Coscinodiscus suberbus var. maculatus (Kolbe) VanLandingham, 1968 accepted as
Cestodiscus pulchellus var. maculata Kolbe, 1954 (new combination reference)
Coscinodiscus superbus var. maculatus (Kolbe) VanLandingham, 1968 accepted as
Cestodiscus pulchellus var. maculata Kolbe, 1954 (new combination reference)
Cymbella expecta VanLandingham, 1968 (original description)
Navicula formosa var. cuneata Frenguelli, 1926 accepted as
Caloneis westii (W.Smith) Hendey, 1964 (source of synonymy)
Triceratium centralis (Boyer) VanLandingham, 1968 accepted as
Biddulphia centralis Boyer, 1922 (new combination reference)
Triceratium clypeolus (Boyer) VanLandingham, 1968 accepted as
Biddulphia clypeolus Boyer, 1922 (new combination reference)
Triceratium cruvinervia (Boyer) VanLandingham, 1968 accepted as
Biddulphia curvinervia C.S.Boyer, 1922 † accepted as
Entogoniopsis curvinervia (C.S.Boyer) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 † (new combination reference)
Triceratium discursum (Mann) VanLandingham, 1968 accepted as
Biddulphia discursa Mann, 1925 (new combination reference)
Triceratium exactum (Mann) VanLandingham, 1968 accepted as
Biddulphia exacta Mann, 1925 (new combination reference)
Triceratium falcatum (Boyer) VanLandingham, 1968 accepted as
Biddulphia falcata Boyer, 1922 (new combination reference)
Triceratium fractosum (Mann) VanLandingham, 1968 accepted as
Biddulphia fractosa Mann, 1925 (new combination reference)
Triceratium frickei (Van Heurck) VanLandingham, 1968 accepted as
Biddulphia frickei Van Heurck, 1909 (new combination reference)
Triceratium fulvum (Boyer) VanLandingham, 1968 accepted as
Biddulphia fulva Boyer, 1922 (new combination reference)
Triceratium hexagonalis (Boyer) VanLandingham, 1968 accepted as
Biddulphia hexagonalis Boyer, 1922 (new combination reference)
Triceratium inversum (Mann) VanLandingham, 1968 accepted as
Biddulphia inversa ‘Mann' Mills, 1925 (new combination reference)
Triceratium riedyi (G D.Hanna & W.M.Grant) T.Reinhold, 1937 accepted as
Entogoniopsis tabellaria (T.Brightwell) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 (new combination reference)
Triceratium rudis (Mann) VanLandingham, 1968 accepted as
Biddulphia rudis Mann, 1925 (new combination reference)
Triceratium trisinum (Mann) VanLandingham, 1968 (new combination reference)
Triceratium turrigerum (Mann) VanLandingham, 1968 accepted as
Biddulphia turrigera Mann, 1925 (new combination reference)