Anomoeoneis serians var. apiculata Boyer, 1927 (original description)
Caloneis bicuneata f. bicuneata (Grunow) Boyer, 1927 accepted as
Navicula bicuneata Grunow, 1860 (new combination reference)
Caloneis bleischiana (Janisch & Rabenhorst) Boyer, 1927 accepted as
Navicula bleischiana Janisch & Rabenhorst, 1863 (new combination reference)
Caloneis elongata (Grunow in Schmidt) Boyer, 1927 accepted as
Navicula elongata Grunow in Schmidt, 1874 (new combination reference)
Caloneis excentrica (Grunow) Boyer, 1927 accepted as
Navicula excentrica f. excentrica Grunow, 1860 (new combination reference)
Caloneis janischiana (Rabenhorst) Boyer, 1927 accepted as
Navicula janischiana Rabenhorst in Janisch & Rabenhorst, 1862 (new combination reference)
Caloneis linearis (Grunow) Boyer, 1927 accepted as
Navicula linearis Grunow, 1860 (new combination reference)
Caloneis semiinflata (Østrup) Boyer, 1927 accepted as
Navicula semiinflata Østrup, 1895 (new combination reference)
Caloneis speciosa Hustedt ex Boyer, 1927 (original description)
Cymatopleura spiralis Chase ex Boyer, 1927 (original description)
Cymbella ehrenbergii var. americana (A.Schmidt) Krasske, 1949 accepted as
Cymbella americana A.W.F.Schmidt, 1875 (new combination reference)
Cymbella heteropleura var. symmetrica Boyer, 1927 † (original description)
Diploneis densestriata (Schmidt in Schmidt et al.) Boyer, 1927 (new combination reference)
Diploneis eugenia (A.Schmidt) Boyer, 1927 accepted as
Navicula eugenia A.Schmidt, 1874 (new combination reference)
Diploneis expleta (A.Schmidt) Boyer, 1927 accepted as
Navicula notabilis var. expleta Schmidt, 1874 (new combination reference)
Diploneis parca (A.Schmidt) Boyer, 1927 accepted as
Navicula parca var. parca Schmidt in Schmidt et al., 1875 (new combination reference)
Diploneis pelagi (Schmidt in Schmidt et al.) Boyer, 1927 accepted as
Navicula pelagi Schmidt in Schmidt et al., 1875 (new combination reference)
Diploneis recta (Brun & Héribaud in Héribaud) Boyer, 1927 accepted as
Navicula recta Brun & Héribaud in Héribaud, 1893 (new combination reference)
Gyrosigma bennettii (M. Peragallo in Tempère & Peragallo) Boyer, 1927 accepted as
Pleurosigma bennettii M. Peragallo in Tempère & Peragallo, 1909 (new combination reference)
Gyrosigma eximium (Thwaites) Boyer, 1927 accepted as
Schizonema eximium Thwaites, 1848 (new combination reference)
Gyrosigma obliquum (Grunow) Boyer, 1927 accepted as
Pleurosigma obliquum Grunow, 1880 (new combination reference)
Gyrosigma parkeri (Harrison) Elmore, 1921 accepted as
Pleurosigma parkeri var. parkeri Harrison, 1860 (new combination reference)
Gyrosigma quinnipiacii (M.Peragallo) Boyer, 1927 (new combination reference)
Hantzschia amphioxys var. granulata (M. Peragallo in Tempère & Peragallo) Boyer, 1927 accepted as
Hantzschia vivax var. granulata M. Peragallo in Tempère & Peragallo, 1908 (new combination reference)
Navicula arenaria var. sublinearis (Østrup) Boyer, 1927 accepted as
Navicula lanceolata var. sublinearis Østrup, 1913 (new combination reference)
Navicula brasiliensis var. constricta (Boyer) Boyer, 1927 (new combination reference)
Navicula clavata var. minor (Cleve) Boyer, 1927 (new combination reference)
Navicula kryokonites var. semistriata (Østrup) Boyer, 1927 accepted as
Navicula semistriata Østrup, 1895 (new combination reference)
Navicula peregrina var. pulchra H.L. Smith ex Boyer (original description)
Pinnularia bogotensis var. undulata (M.Peragallo) Boyer, 1927 accepted as
Navicula bogotensis var. undulata M.Peragallo, 1908 (new combination reference)
Pinnularia bogotensis var. uninterrupta (M. Peragallo in Tempere & Peragallo; Terry) Boyer, 1927 accepted as
Navicula bogotensis var. undulata M.Peragallo, 1908 (new combination reference)
Pinnularia icostauron Boyer, 1927 (original description)
Pinnularia quadratarea var. maxima (Østrup) Boyer, 1927 accepted as
Navicula pinnularia var. maxima Østrup, 1895 (new combination reference)
Pinnularia quadratarea var. minima (Østrup) Boyer, 1927 accepted as
Navicula pinnularia var. minima Østrup, 1895 (new combination reference)
Pinnularia tabellaria sensu Boyer, 1927 (original description)
Pleurosigma americanum (H. Peragallo) Boyer, 1927 accepted as
Pleurosigma decorum var. americanum H. Peragallo, 1891 (new combination reference)
Pleurosigma olympian Terry ex Boyer, 1927 (original description)
Pleurosigma olympianum Terry ex Boyer, 1927 (original description)