Gyrosigma irregulare F.W. Mills, 1934 (original description)
Navicula salina var. latior (Juhlin-Dannfelt) F.W. Mills, 1934 (new combination reference)
Navicula salina var. salina (W. Smith) F.W. Mills, 1934 (new combination reference)
Rhaphoneis superba f. minor (Østrup) F.W. Mills, 1934 (new combination reference)
Rhizosolenia corpulenta (Cleve) Cleve, 1900 accepted as
Rhizosolenia alata var. corpulenta Cleve, 1897 (new combination reference)
Rhopalodia gibba var. contracta (Forti) F.W. Mills, 1934 accepted as
Epithemia gibba var. contracta Forti, 1898 (new combination reference)
Rhopalodia gibba var. subparallela (Schaarschmidt Istvanffi) F.W. Mills, 1934 accepted as
Epithemia gibba var. subparallela Schaarschmidt-Istvanffi, 1881 (new combination reference)
Rhopalodia gibba var. tumida (Schaarschmidt) F.W. Mills, 1934 accepted as
Epithemia gibba var. tumida Schaarschmidt-Istvanffi, 1881 (new combination reference)
Rhopalodia gibberula var. directa (Pantocsek) F.W. Mills, 1934 accepted as
Epithemia gibberula var. directa Pantocsek, 1902 (new combination reference)
Rhopalodia gibberula var. minuta (Hanzsch) F.W.Mills, 1934 accepted as
Epithemia minuta C.A.Hantzsch, 1863 (new combination reference)
Rhopalodia gibberula var. quinquecostata (Rabenhorst) F.W. Mills, 1934 accepted as
Epithemia quinquecostata Rabenhorst, 1853 (new combination reference)
Schizonema rhombicum (M. Peragallo in Tempère & Peragallo) F.W. Mills, 1934 accepted as
Schizostauron rhombicum M. Peragallo in Tempère & Peragallo, 1913 (new combination reference)
Schizostauron antillarum (Cleve & Grunow in Cleve) F.W. Mills, 1934 accepted as
Alloioneis antillarum Cleve & Grunow in Cleve, 1878 (new combination reference)
Schuettia cinnamomeum (Greville) F.W. Mills, 1934 accepted as
Triceratium cinnamomeum var. cinnamomeum Greville, 1863 (new combination reference)
Schuettia marylandicum (Brightwell) F.W. Mills, 1934 accepted as
Triceratium marylandicum Brightwell, 1856 (new combination reference)
Schuettia paynei var. moonii (Taylor) F.W. Mills, 1934 accepted as
Actinoptychus paynei var. moonii Taylor, 1929 (new combination reference)
Schuettia paynei var. paynei (Taylor) F.W. Mills, 1934 accepted as
Actinoptychus paynei var. paynei Taylor, 1929 (new combination reference)
Sellaphora oblita (Mereschkowsky) F.W. Mills, 1934 accepted as
Navicula oblita Mereschkowsky, 1902 (new combination reference)
Skeletonema styliferum var. interruptum (Pantocsek) F.W. Mills, 1934 accepted as
Zygoceros antiquus var. interruptus Pantocsek, 1892 (new combination reference)
Stauroneis americana var. intermedia (Tempère & Peragallo) F.W. Mills, 1934 accepted as
Pleurostaurum americana var. intermedia Tempère & Peragallo, 1913 (new combination reference)
Stauroneis phoenicenteron var. marina (Petit) F.W. Mills, 1934 accepted as
Stauroneis amphilepta var. marina Petit, 1904 (new combination reference)
Stauroneis reichardtiana (Grunow) Cleve, 1894 accepted as
Schizostauron reichardtianum Grunow, 1867 (new combination reference)