Achnanthes brevipes var. capensis ‘De Toni' according to M. Peragallo, 1897 (taxonomy source)
Achnanthes citrina (Schmidt in Schmidt et al.) M. Peragallo, 1897 accepted as
Cocconeis citrina Schmidt in Schmidt et al., 1895 (new combination reference)
Achnanthes cryptocephala (Grunow) M.Peragallo, 1897 accepted as
Achnanthes minutissima var. cryptocephala Grunow, 1880 (new combination reference)
Achnanthes sinuata Kützing according to M. Peragallo (original description)
Achnanthes taeniata var. hyperborea Grunow, 1878 accepted as
Achnanthes hyperborea (Grunow) Grunow, 1884 (new combination reference)
Actinocyclus janus (Castracane) M. Peragallo, 1897 accepted as
Coscinodiscus janus Castracane, 1886 accepted as
Charcotiella janus (Castrac.) S.Blanco & C.E.Wetzel, 2016 (new combination reference)
Actinocyclus ralfsii var. baltica (Rattray) M. Peragallo, 1897 accepted as
Actinocyclus moniliformis var. baltica Rattray, 1890 (new combination reference)
Actinocyclus ralfsii var. knemeides (Pantocsek) M. Peragallo, 1897 accepted as
Actinocyclus knemeides Pantocsek, 1886 (new combination reference)
Actinoptychus antarcticus (F.S.Castracane degli Antelminelli) H.Heiden accepted as
Omphalopelta antarctica Castracane, 1886 (new combination reference)
Actinoptychus cellulosus (Ehrenberg) M. Peragallo, 1897 accepted as
Omphalopelta cellulosa Ehrenberg, 1844 (new combination reference)
Actinoptychus japonicus (Castracane) M. Peragallo, 1897 accepted as
Omphalopelta japonica Castracane, 1886 (new combination reference)
Actinoptychus pardus var. pardus (Castracane) M. Peragallo, 1897 accepted as
Omphalopelta parda Castracane, 1886 (new combination reference)
Actinoptychus shrubsolianus (Castracane) M. Peragallo, 1897 accepted as
Omphalopelta shrubsoliana Castracane, 1886 (new combination reference)
Actinoptychus undulatus var. montereyi ‘A. Schmidt' M. Peragallo, 1897 (taxonomy source)
Amphipleura sullivantii ‘Habirshaw' according to M. Peragallo, 1897 (taxonomy source)
Amphiprora balearica (Grunow in Cleve & Grunow) M. Peragallo, 1897 accepted as
Amphiprora sulcata var. balearica Grunow in Cleve & Grunow, 1880 (new combination reference)
Amphiprora samoensis ‘Grunow in Möller Catalogue, 1883' according to M. Peragallo, 1897 (taxonomy source)
Amphora atomus ‘Ehrenberg' according to Peragallo, 1897 (taxonomy source)
Amphora calumetica (Thomas ex Wolle) M.Peragallo, 1897 accepted as
Amphiprora calumetica Thomas ex Wolle, 1890 (new combination reference)
Amphora monilifera ‘Leuduger-Fortmorel' according to Peragallo (taxonomy source)
Amphora normanii var. javanica (Grunow in Schmidt et al.) M. Peragallo, 1897 accepted as
Amphora humicola var. javanica Grunow in Schmidt et al., 1875 (new combination reference)
Amphora ostrearia var. fossilis (Pantocsek) M. Peragallo, 1897 accepted as
Amphora litoralis var. fossilis Pantocsek, 1889 (new combination reference)
Amphora recta ‘De Toni' according to M. Peragallo, 1897 (taxonomy source)
Amphoropsis complexa ‘Grunow in litt.' according to M. Peragallo, 1897 (taxonomy source)
Amphoropsis conserta (Lewis) M. Peragallo, 1897 accepted as
Amphiprora conserta Lewis, 1862 (new combination reference)
Amphoropsis decipiens (Grunow in Van Heurck) Peragallo, 1897 accepted as
Amphora decipiens Grunow in Van Heurck, 1883 (new combination reference)
Amphoropsis recta var. subplicata (Grunow in Cleve & Grunow) M. Peragallo, 1897 accepted as
Amphiprora plicata var. subplicata Grunow in Cleve & Grunow, 1880 (new combination reference)
Ardissonea crystallina f. gibba (Pantocsek) Peragallo, 1886 accepted as
Synedra crystallina f. gibba Pantocsek, 1886 (new combination reference)
Asterolampra centraster (Johnston) Hernández-Becerril, 1991 accepted as
Asteromphalus centraster Johnston, 1860 (taxonomy source)
Aulacodiscus stoeckhartii 'Pantocsek' M. Peragallo, 1897 (original description)
Auliscus johnsonii ‘A. Schmidt' according to M. Peragallo, 1897 (taxonomy source)
Bacillaria tenuis ‘Ehrenberg' according to Peragallo, 1854 (taxonomy source)
Bacteriastrum varians f. curvata (Shadbolt) M. Peragallo, 1897 accepted as
Bacteriastrum curvatum Shadbolt, 1854 (new combination reference)
Bacteriastrum varians f. furcata (Shadbolt) M. Peragallo, 1897 accepted as
Bacteriastrum furcatum Shadbolt, 1854 (new combination reference)
Bergonia tetrapoda ‘J. Brun' according to M. Peragallo, 1897 (taxonomy source)
Berkeleya lenormandi (Kützing) M. Peragallo, 1897 accepted as
Schizonema lenormandi Kützing, 1849 (new combination reference)
Berkeleya minor Tempère in M. Peragallo, 1897 (original description)
Berkeleya rutilans var. antarctica ‘Cleve' M. Peragallo M. Peragallo, 1897 (new combination reference)
Biddulphia antarctica (Ehrenberg) M. Peragallo, 1897 accepted as
Hemiaulus antarcticus Ehrenberg, 1844 (new combination reference)
Biddulphia nankoorensis ‘Grunow in Van Heurck' M. Peragallo, 1897 (taxonomy source)
Biddulphia punctata var. cretacea (Brun) M. Peragallo, 1897 accepted as
Biddulphia cretacea Brun, 1896 (new combination reference)
Campylodiscus ecclesianus var. graeffei (Grunow in Schmidt et al.) M. Peragallo, 1897 accepted as
Campylodiscus graeffei Grunow in Schmidt et al., 1875 (new combination reference)
Campylodiscus latus var. contiguus (Schmidt in Schmidt et al.) M. Peragallo, 1897 accepted as
Campylodiscus contiguus Schmidt in Schmidt et al., 1875 (new combination reference)
Campylodiscus undulatus var. brightwellii (Grunow) Peragallo accepted as
Campylodiscus brightwellii Grunow, 1862 (new combination reference)
Campyloneis grevillei var. reticulata Grunow, 1867 accepted as
Campyloneis argus var. reticulata Grunow, 1867 (new combination reference)
Cestodiscus baldjikianus (Grunow) M. Peragallo, 1897 accepted as
Coscinodiscus baldjikianus Grunow, 1888 (new combination reference)
Cestodiscus superbus var. moravicus (Grunow in Pantocsek) M. Peragallo, 1897 accepted as
Coscinodiscus pulchellus var. moravica Grunow in Pantocsek, 1886 (new combination reference)
Coscinodiscus convexus (Castracane) M. Peragallo, 1897 accepted as
Ethmodiscus convexus Castracane, 1886 (new combination reference)
Coscinodiscus discrepans (Rattray) M. Peragallo, 1897 accepted as
Coscinodiscus leptopus var. discrepans Rattray, 1890 (new combination reference)
Coscinodiscus media var. parva Grunow "Boek Cat. 1889" according to Peragallo, 1903 (original description)
Coscinodiscus perforatus var. ambigua (Grunow) M. Peragallo, 1897 accepted as
Coscinodiscus apiculatus var. ambigua Grunow, 1884 (new combination reference)
Cosmiodiscus armatus (Greville) M. Peragallo, 1897 accepted as
Coscinodiscus armatus Greville, 1861 (new combination reference)
Cosmiodiscus elegans var. curta (Rattray) M. Peragallo, 1897 accepted as
Coscinodiscus perikompsos var. curta Rattray, 1890 (new combination reference)
Cymbella graeca (Ehrenberg) M. Peragallo, 1897-1903 accepted as
Cocconema graecum Ehrenberg, 1840 (new combination reference)
Cymbella uncinata (Ehrenberg) M. Peragallo, 1897-1903 accepted as
Cocconema uncinatum Ehrenberg, 1871 (new combination reference)
Diploneis elliptica var. disciformis (Rabenhorst) M. Peragallo, 1897 accepted as
Pinnularia disciformis Rabenhorst, 1853 (new combination reference)
Gomphonema oregonicum var. maximum (Grunow) M.Peragallo, 1897 accepted as
Gomphonema maximum Grunow, 1880 (new combination reference)
Grammatophora angulosa f. constricta (Grunow in Van Heurck) M. Peragallo, 1897 accepted as
Grammatophora hamulifera f. constricta Grunow in Van Heurck, 1881 (new combination reference)
Hemiaulus aries (Schmidt in Schmidt et al.) M. Peragallo, 1897 accepted as
Trinacria aries Schmidt in Schmidt et al., 1886 † (new combination reference)
Hemiaulus coniferus (Brightwell) M. Peragallo, 1897 accepted as
Triceratium coniferum Brightwell, 1856 (new combination reference)
Hemiaulus coronatus (Witt) M. Peragallo, 1897 accepted as
Trinacria coronata Witt, 1885 † (new combination reference)
Hemiaulus jeremiae (Truan & Witt) M. Peragallo, 1897 accepted as
Trinacria jeremiae Truan & Witt, 1888 † (new combination reference)
Hyalodiscus arcticus (Grunow) Thum, 1885 accepted as
Hyalodiscus radiatus var. arctica Grunow, 1884 (new combination reference)
Hydrosera whampoensis var. biangulata M. Peragallo, 1897 (original description)
Hydrosera whampoensis var. hexagona (Pantocsek) M. Peragallo, 1897 (new combination reference)
Hydrosera whampoensis var. mauritania (Bergon) M. Peragallo, 1897 (new combination reference)
Mastogloia smithii var. alpina (Brun in Schmidt et al.) M. Peragallo, 1897 accepted as
Mastogloia lacustris var. alpina Brun in Schmidt et al., 1893 (new combination reference)
Vanheurckia rhomboides f. saxonica (Rabenhorst) M. Peragallo, 1897 accepted as
Frustulia saxonica f. saxonica Rabenhorst, 1851 (new combination reference)
Vanheurckia rhomboides var. lineolata (Ehrenberg) M. Peragallo, 1897 (new combination reference)
Vanheurckia rhomboides var. oregonica (Cleve) M. Peragallo, 1897 accepted as
Frustulia rhomboides var. oregonica Cleve, 1894 (new combination reference)