Achnanthidium F.T. Kützing, 1844 (original description)
Achnanthidium microcephalum Kützing, 1844 (original description)
Actinoptychus octonarius (Ehrenberg) Kützing, 1844 accepted as Actinocyclus octonarius var. octonarius Ehrenberg, 1837 (new combination reference)
Amphipleura F.T. Kützing, 1844 (original description)
Amphora C.G. Ehrenberg ex F.T. Kützing, 1844 (original description)
Campylodiscus C.G. Ehrenberg ex F.T. Kützing, 1844 (original description)
Cymbella ehrenbergii Kützing, 1844 † (original description)
Cymbella obtusiuscula Kützing, 1844 (original description)
Cymbella ventricosa Kützing, 1844 (original description)
Diploneis elliptica (Kützing) Cleve, 1894 (original description)
Encyonema prostratum (Berkeley) Kützing, 1844 accepted as Monema prostratum Berkeley, 1832 (new combination reference)
Epithemia F.T. Kützing, 1844 (original description)
Epithemia gibberula (Ehrenberg) Kützing, 1844 accepted as Eunotia gibberula Ehrenberg, 1843 (new combination reference)
Epithemia turgida (Ehrenberg) Kützing, 1844 accepted as Navicula turgida Ehrenberg, 1830 (new combination reference)
Epithemia zebra (Ehrenberg) Kützing, 1844 accepted as Navicula zebra Ehrenberg, 1833 (new combination reference)
Navicula elliptica f. elliptica Kützing, 1844 (original description)
Navicula hemiptera var. hemiptera Kützing, 1844 accepted as Pinnularia hemiptera (Kützing) Rabenhorst, 1853 (original description)
Navicula interrupta var. interrupta Kützing, 1844 (original description)
Navicula viridula (Kützing) Ehrenberg, 1836 (new combination reference)
Rhabdonema F.T. Kützing, 1844 (original description)
Synedra acus f. acus Kützing, 1844 (original description)
Synedra pusilla Kützing, 1844 (original description)
Synedra radians var. radians Kützing, 1844 (original description)
Tabellaria C.G. Ehrenberg ex F.T. Kützing, 1844 (original description)
Tabularia (F.T. Kutzing) D.M. Williams & F.E. Round, 1986 (original description)
Ulnaria (Kützing) P. Compère, 2001 (original description)