Navicula addicta Hustedt, 1966 (original description)
Navicula aggesta Hustedt, 1966 (original description)
Navicula amabilis Hustedt, 1966 (original description)
Navicula annexa Hustedt, 1966 (original description)
Navicula aspersa Hustedt, 1966 (original description)
Navicula bellissima Hustedt, 1966 (original description)
Navicula biddulphioides Hustedt, 1966 (original description)
Navicula borneoensis Hustedt, 1966 (original description)
Navicula brasiliana f. platensis (Frenguelli in Frenguelli & Cordini) Hustedt, 1966 accepted as
Navicula brasiliana var. platensis Frenguelli in Frenguelli & Cordini, 1937 accepted as
Cosmioneis platensis (Frenguelli) C.E. Wetzel, E. Sar & Ector, 2017 (new combination reference)
Navicula breviata Hustedt, 1966 (original description)
Navicula centropunctata Hustedt, 1966 (original description)
Navicula charlatii f. chilensis (Hustedt) Hustedt, 1966 accepted as
Navicula charlatii var. chilensis Hustedt, 1955 accepted as
Luticola chilensis (Hustedt) D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (new combination reference)
Navicula cluthensis f. rostrata (Simonsen) Hustedt, 1966 (new combination reference)
Navicula cluthensoides Hustedt, 1966 (original description)
Navicula columbiana Hustedt, 1966 (original description)
Navicula conjuncta Hustedt, 1966 (original description)
Navicula dapaliformis Hustedt, 1966 (original description)
Navicula declinata Hustedt, 1966 (original description)
Navicula deltoides Hustedt, 1966 (original description)
Navicula demeraroides Hustedt, 1966 (original description)
Navicula destituta Hustedt, 1966 (original description)
Navicula destitutiodes Hustedt, 1966 (original description)
Navicula dicephala f. abiskoensis (Husted) Hustedt, 1964 accepted as
Navicula abiskoensis var. abiskoensis Hustedt, 1942 (new combination reference)
Navicula dismutica Hustedt, 1966 (original description)
Navicula disparilis var. disparilis Hustedt, 1966 (original description)
Navicula dispersepunctulata Hustedt, 1966 (original description)
Navicula duplocapitata Hustedt, 1966 (original description)
Navicula electa Hustedt, 1966 (original description)
Navicula explorata Hustedt, 1966 (original description)
Navicula gaussii (Heiden) Hustedt (new combination reference)
Navicula grippii Simonsen., 1966 (original description)
Navicula groveoides Hustedt, 1966 (original description)
Navicula gruendleri var. angusta Hustedt, 1966 (original description)
Navicula homburgiana Hustedt, 1966 (original description)
Navicula huei f. constricta (Cleve) Hustedt, 1966 (new combination reference)
Navicula incoacta Hustedt, 1987 (original description)
Navicula intermixta Hustedt, 1966 (original description)
Navicula jasnitskii f. constricta (Skvortzow) Hustedt, 1964 accepted as
Caloneis zachariasi var. constricta Skvortzow, 1937 (new combination reference)
Navicula jasnitskii f. constricta (Skvortzow) Hustedt, 1964 accepted as
Caloneis zachariasi var. constricta Skvortzow, 1937 (original description)
Navicula jasnitskii f. obtusa (Skvortzow & Meyer) Hustedt, 1966 accepted as
Navicula jasnitskii var. obtusa Skvortzow & Meyer, 1928 (new combination reference)
Navicula lacustris f. gibbosa (Brun) Hustedt, 1966 accepted as
Diploneis lacuslemanii var. gibbosa Brun, 1895 (new combination reference)
Navicula laevimarginata Hustedt, 1966 (original description)
Navicula latissima f. constricta (Karsten) Hustedt, 1966 accepted as
Navicula latissima var. constricta Karsten, 1899 (new combination reference)
Navicula latissima f. elliptica (Heiden) Hustedt, 1966 accepted as
Navicula monilifera var. elliptica Heiden in A. Schmidt, 1903 (new combination reference)
Navicula latissima f. kamorthensis (Grunow) Hustedt, 1966 accepted as
Navicula kamorthensis Grunow, 1863 (new combination reference)
Navicula lundströmii f. frieseana (Grunow) Hustedt, 1966 accepted as
Cymbella frieseana Grunow in Cleve, 1881 (new combination reference)
Navicula lyra f. denudata (Grunow) Hustedt, 1966 accepted as
Navicula lyra f. denudata (Grunow in Cleve) Hustedt, 1964 accepted as
Navicula lyra var. denudata Grunow Ms. in Cleve, 1895 (new combination reference)
Navicula maculata f. californica (Cleve) Hustedt, 1966 accepted as
Navicula schultzei var. californica Cleve, 1895 (new combination reference)
Navicula maculata f. confederata (Pantocsek) Hustedt, 1966 (new combination reference)
Navicula maculata f. undulata Hustedt, 1966 (original description)
Navicula meridiepacifica f. meridiepacifica Hustedt, 1966 (original description)
Navicula meridiepacifica f. typica Hustedt, 1966 (original description)
Navicula mirifica f. lanceolata (Krasske) Hustedt, 1966 accepted as
Navicula mirifica var. lanceolata Krasske, 1949 (new combination reference)
Navicula mitigata Hustedt, 1966 (original description)
Navicula monilifera f. constricta (Peragallo & Peragallo) Hustedt, 1966 accepted as
Navicula granulata var. constricta H. Peragallo & M. Peragallo, 1898 (new combination reference)
Navicula monita Hustedt, 1966 (original description)
Navicula mutica f. gibbula (Hustedt) Hustedt, 1966 accepted as
Navicula mutica var. gibbula Hustedt, 1945 (new combination reference)
Navicula mutica f. intermedia (Hustedt) Hustedt, 1964 accepted as
Navicula lagerheimii f. lagerheimii Cleve, 1894 (new combination reference)
Navicula mutica f. lanceolata Frenguelli accepted as
Navicula mutica var. lanceolata Frenguelli, 1953 accepted as
Luticola mutica var. lanceolata (Frenguelli) M.Aboal, 2003 accepted as
Luticola lanceolata (Frenguelli) Levkov, Metzeltin & A.Pavlov, 2013 (new combination reference)
Navicula mutica f. typica Hustedt, 1966 (original description)
Navicula neoventricosa f. binodis (Hustedt) Hustedt, 1966 accepted as
Navicula mutica var. binodis Hustedt, 1922 (new combination reference)
Navicula neoventricosa f. neoventricosa Hustedt, 1966 (original description)
Navicula nivalis f. distinguenda (Hustedt) Hustedt, 1964 accepted as
Navicula mutica var. distinguenda Hustedt, 1939 (new combination reference)
Navicula novadecipiens Hustedt, 1966 (original description)
Navicula obligata Hustedt, 1966 (original description)
Navicula obtuseprotracta Hustedt, 1966 † (original description)
Navicula okunoi Hustedt, 1966 (original description)
Navicula oregonensis Hustedt, 1966 (original description)
Navicula palearctica Hustedt, 1966 (original description)
Navicula peguana (Grunow in Cleve & Möller) Hustedt, 1966 accepted as
Navicula mutica var. peguana Grunow, 1894 (new combination reference)
Navicula perlatoides Hustedt, 1966 (original description)
Navicula plausibilis Hustedt, 1966 (original description)
Navicula pseudobrehmii Hustedt, 1966 (original description)
Navicula pusilla f. pulchra (Gregory) Hustedt, 1966 accepted as
Navicula pulchra Gregory, 1856 (new combination reference)
Navicula saxophila W.Bock ex Hustedt, 1966 (original description)
Navicula septataeoides Hustedt, 1966 (original description)
Navicula terminata Hustedt, 1964 (original description)
Navicula truncatula Hustedt, 1966 (original description)
Navicula xi f. peltoides (Hendey) Hustedt, 1966 accepted as
Navicula peltoides Hendey, 1958 (new combination reference)